User`s manual | Char-Broil 463720110 Charcoal Grill User Manual

G4H875-N
G4H875-C
G4H875-B
Rev. A+
System Board
User’s Manual
935-G4H875-000
A77100333
Copyright
This publication contains information that is protected by copyright.
No part of it may be reproduced in any form or by any means or
used to make any transformation/adaptation without the prior
written permission from the copyright holders.
This publication is provided for informational purposes only. The
manufacturer makes no representations or warranties with respect to
the contents or use of this manual and specifically disclaims any
express or implied warranties of merchantability or fitness for any
particular purpose. The user will assume the entire risk of the use or
the results of the use of this document. Further, the manufacturer
reserves the right to revise this publication and make changes to its
contents at any time, without obligation to notify any person or
entity of such revisions or changes.
© 2004. All Rights Reserved.
Trademarks
Windows® 98 SE, Windows® ME, Windows® 2000, Windows NT®
4.0 and Windows® XP are registered trademarks of Microsoft
Corporation. Intel®, Pentium® 4 and Celeron are registered trademarks of Intel Corporation. Award is a registered trademark of
Award Software, Inc. Other trademarks and registered trademarks
of products appearing in this manual are the properties of their
respective holders.
Caution
To avoid damage to the system:
• Use the correct AC input voltage range..
To reduce the risk of electric shock:
• Unplug the power cord before removing the system chassis
cover for installation or servicing. After installation or servicing,
cover the system chassis before plugging the power cord.
Battery:
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend by
the manufacturer.
• Dispose of used batteries according to the batter y
manufacturer’s instructions.
Joystick or MIDI port:
• Do not use any joystick or MIDI device that requires more than
10A current at 5V DC. There is a risk of fire for devices that
exceed this limit.
FCC and DOC Statement on Class B
This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a residential
installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio
communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
• Consult the dealer or an experienced radio TV technician for
help.
Notice:
1. The changes or modifications not expressly approved by the
party responsible for compliance could void the user's authority
to operate the equipment.
2. Shielded interface cables must be used in order to comply with
the emission limits.
Notice
An electronic file of this manual is included in the CD. To view
the user’s manual, insert the CD into a CD-ROM drive. The
autorun screen (Main Board Utility CD) will appear. Click “User’s
Manual” on the main menu.
Table of Contents
Chapter 1 - Introduction
1.1 Features and Specifications.................................................................................. 7
1.2 Hyper-Threading Technology Functionality Requirements..... 15
1.3 Package Checklist............................................................................................................. 15
Chapter 2 - Hardware Installation
2.1
2.2
2.3
2.4
2.5
2.6
System Board Layout ............................................................................................. 16
System Memory.............................................................................................................. 19
CPU............................................................................................................................................... 24
Jumper Settings................................................................................................................ 29
Rear Panel I/O Ports................................................................................................. 35
I/O Connectors............................................................................................................... 44
Chapter 3 - BIOS Setup
3.1 Award BIOS Setup Utility................................................................................. 60
3.2 Updating the BIOS.................................................................................................. 100
Chapter 4 - Supported Softwares
4.1 Desktop Management Interface......................................................................102
4.2 Drivers, Utilities and Software Applications.....................................105
4.3 Installation Notes.............................................................................................................113
1
Introduction
Appendix A - Enabling the Hyper-Threading
Technology
A.1 Enabling the Hyper-Threading Technology......................................... 114
Appendix B - CPU Fan Protection
B.1 CPU Fan Protection............................................................................................. 117
Appendix C - CPU Temperature Protection
C.1 CPU Temperature Protection....................................................................... 118
Appendix D - System Error Messages
D.1 POST Beep.................................................................................................................. 119
D.2 Error Messages.......................................................................................................... 119
Appendix E - Troubleshooting
E.1 Troubleshooting Checklist.............................................................................. 121
6
Introduction
1
Chapter 1 - Introduction
1.1 Features and Specifications
1.1.1 Features
Chipset
• Intel® 875P chipset
- Intel® 82875P Memory Controller Hub (MCH)
- Intel® Hance Rapids I/O Controller Hub
Processor
The system board is equipped with Socket 478 for installing one
of the following supported processors.
• Intel® Pentium® 4 (Prescott and Northwood) processor up to
3.2GHz+
- Intel Hyper-Threading Technology
- FSB: 533MHz and 800MHz
• Intel® Celeron® processor
- 400MHz system data bus
System Memory
• Supports dual channel (128-bit wide) memory interface
- Each channel supports 2 DIMM sockets
• Supports up to 4GB system memory
• Supports Dynamic mode to optimize system performance
• Synchronous operation with processor system bus
- PC2100/PC2700/PC3200 (DDR266/DDR333/DDR400)
with 800MHz FSB CPU (supports PAT mode). DDR333 will
run at 320MHz memory frequency when used with 800MHz
FSB CPU.
- Use PC2100/PC2700 (DDR266/DDR333) with 533MHz
FSB CPU
- Use PC2100 (DDR266) with 400MHz FSB CPU
• Supports ECC/non-ECC DIMMs
• Supports unbuffered DIMMs
7
1
Introduction
Density
128 Mbit
256 Mbit
512 Mbit
Density Width
X8
X16
X8
X16
X8
X16
Single/Double
SS/DS
SS/DS
SS/DS
SS/DS
SS/DS
SS/DS
184-pin DDR
128/256MB
64MB/NA
256/512MB 128MB/NA 512/1024MB 256MB/NA
Performance Acceleration Technology (PAT)
PAT mode is supported only when the system uses DDR400
with 800MHz FSB CPU. PAT performs data transactions directly
from the CPU to the system memory, bypassing the normal path
of operation. This reduces the MCH timing therefore providing
improved system performance.
Expansion Slots
• 1 AGP slot
• 4 PCI slots
• 1 PCI-X 64-bit/66MHz slot
AGP (Accelerated Graphics Port)
• Supports AGP 3.0 (AGP 4x and 8x) and AGP 2.0 (AGP 1x and
4x) spec.
• Supports 1.5V AGP 8x (2.13GB/sec.) and AGP 4x (1066MB/
sec.) add-in cards.
AGP is an interface designed to support high performance 3D
graphics cards for 3D graphics applications. It handles large
amounts of graphics data with the following features:
• Pipelined memory read and write operations that hide
memory access latency.
• Demultiplexing of address and data on the bus for nearly
100 percent efficiency.
Note:
AGP 2x and 3.3V AGP cards are not supported.
8
Introduction
1
Onboard Audio Features
• 18-bit stereo full-duplex codec with independent variable sampling rate
• High quality differential CD input
• True stereo line level outputs
• 2-channel audio output
Onboard LAN Features
• 82547EI Gigabit LAN CSA interface (G4H875-N only)
- Integrated power management functions
- Full duplex support at both 10, 100 and 1000 Mbps
- Supports IEEE 802.3u auto-negotiation
- Supports wire for management
• 82551QM fast ethernet controller (G4H875-N, G4H875-C and
G4H875-B)
- Integrated IEEE 802.3, 10BASE-T and 100BASE-TX compatible PHY
- Glueless 32-bit PCI master interface
- Glueless CardBus master interface
- 128 Kbyte Flash interface
- Thin BGA 15 mm2 package
Compatibility
• PCI 2.2 and AC ’97 compliant
• Intel AGP version 3.0
PCI Bus Master IDE Controller
•
•
•
•
Supports ATA/33, ATA/66 and ATA/100 hard drives
PIO Mode 4 Enhanced IDE (data transfer rate up to 14MB/sec.)
Bus mastering reduces CPU utilization during disk transfer
Supports ATAPI CD-ROM, LS-120 and ZIP
IrDA Interface
The system board is equipped with an IrDA connector for wireless
connectivity between your computer and peripheral devices. The
IRDA (Infrared Data Association) specification suppor ts data
transfers of 115K baud at a distance of 1 meter.
9
1
Introduction
USB Ports
The system board supports USB 2.0 and USB 1.1 ports. USB 1.1
suppor ts 12Mb/second bandwidth while USB 2.0 suppor ts
480Mb/second bandwidth providing a marked improvement in
device transfer speeds between your computer and a wide range
of simultaneously accessible external Plug and Play peripherals.
BIOS
• Award BIOS, Windows ® 98SE/2000/ME/XP Plug and Play
compatible
• Supports DMI 2.0 function
• 4Mbit or 8Mbit flash memory
• Supports optional BIOS Write Protect function by hardware
Desktop Management Interface (DMI)
The system board comes with a DMI 2.0 built into the BIOS. The
DMI utility in the BIOS automatically records various information
about your system configuration and stores these information in the
DMI pool, which is a part of the system board's Plug and Play
BIOS. DMI, along with the appropriately networked software, is
designed to make inventory, maintenance and troubleshooting of
computer systems easier. Refer to chapter 4 for instructions on using
the DMI utility.
Rear Panel I/O Ports (PC 99 color-coded connectors)
•
•
•
•
•
1
1
2
1
4
2
• 2
1
• 3
10
mini-DIN-6 PS/2 mouse port
mini-DIN-6 PS/2 keyboard port
DB-9 serial ports
DB-25 parallel port
USB 2.0/1.1 ports (G4H875-N and G4H875-C only)
USB 2.0/1.1 ports (G4H875-B only)
RJ45 LAN ports (G4H875-N only)
RJ45 LAN port (G4H875-B and G4H875-C only)
audio jacks: line-out, line-in and mic-in
Introduction
1
I/O Connectors
• 1 connector for 2 additional external USB 2.0/1.1 por ts
(G4H875-B only)
• 2 connectors for 2 external serial ports (G4H875-N only)
• 1 front audio connector for external line-out and mic-in jacks
• 1 connector for an external game/MIDI port
• 2 internal audio connectors (CD-in and AUX-in)
• 1 connector for IrDA interface
• 2 Serial ATA connectors
• 2 IDE connectors
• 1 floppy connector
• 2 ATX power supply connectors
• 1 Wake-On-LAN connector
• CPU fan, chassis fan, second fan and NB fan connectors
1.1.2 System Health Monitor Functions
The system board is capable of monitoring the following “system
health” conditions.
• Monitors CPU/system temperature and overheat alarm
• Monitors Vcore/VCC3/±12V/VCC/VBAT/5VSB voltages and
failure alarm
• Monitors the fan speed of the chassis fan, CPU fan and NB
fan; and failure alarm
• Read back capability that displays temperature, voltage and fan
speed
11
1
Introduction
1.1.3 Intelligence
CPU Fan Protection
The CPU Fan Protection function has the capability of monitoring the
CPU fan when the system boots. Once it has detected that the CPU
fan did not rotate, 5 warning beeps will sound then the system will
automatically power-off. This preventive measure has been added to
protect the CPU from damage and insure a safe computing environment.
CPU Temperature Protection
The CPU Temperature Protection function has the capability of
monitoring the CPU’s temperature during system boot-up. Once the
system has detected that the CPU’s temperature exceeded the
temperature limit defined in the BIOS, 5 warning beeps will sound then
the system will automatically power-off.
Dual Function Power Button
Depending on the setting in the “Soft-Off By PWR-BTTN” field of
the Power Management Setup, this switch will allow the system to
enter the Soft-Off or Suspend mode.
Wake-On-Ring
This feature allows the system that is in the Suspend mode or Soft
Power Off mode to wake-up/power-on to respond to calls coming
from an external modem or respond to calls from a modem PCI
card that uses the PCI PME (Power Management Event) signal to
remotely wake up the PC.
Important:
If you are using a modem add-in card, the 5VSB power source
of your power supply must support a minimum of ≥720mA.
12
Introduction
1
Wake-On-LAN
This feature allows the network to remotely wake up a Soft Power
Down (Soft-Off) PC. It is supported via the onboard LAN port, via
a PCI LAN card that uses the PCI PME (Power Management Event)
signal or via a LAN card that uses the Wake-On-LAN connector.
However, if your system is in the Suspend mode, you can power-on
the system only through an IRQ or DMA interrupt.
Important:
The 5VSB power source of your power supply must support
≥720mA.
Wake-On-PS/2 Keyboard/Mouse
This function allows you to use the PS/2 keyboard or PS/2
mouse to power-on the system.
Important:
The 5VSB power source of your power supply must support
≥720mA.
Wake-On-USB Keyboard
This function allows you to use a USB keyboard to wake up a
system from the S3 (STR - Suspend To RAM) state.
Important:
• If you are using the Wake-On-USB Keyboard function for 2
USB ports, the 5VSB power source of your power supply
must support ≥1.5A.
• If you are using the Wake-On-USB Keyboard function for 3
or more USB ports, the 5VSB power source of your power
supply must support ≥2A.
RTC Timer to Power-on the System
The RTC installed on the system board allows your system to
automatically power-on on the set date and time.
13
1
Introduction
ACPI
The system board is designed to meet the ACPI (Advanced Configuration and Power Interface) specification. ACPI has energy saving
features that enables PCs to implement Power Management and
Plug-and-Play with operating systems that support OS Direct Power
Management. Currently, only Windows® 98SE/2000/ME/XP supports
the ACPI function. ACPI when enabled in the Power Management
Setup will allow you to use the Suspend to RAM function.
With the Suspend to RAM function enabled, you can power-off the
system at once by pressing the power button or selecting “Standby”
when you shut down Windows® 98SE/2000/ME/XP without having
to go through the sometimes tiresome process of closing files,
applications and operating system. This is because the system is
capable of storing all programs and data files during the entire
operating session into RAM (Random Access Memory) when it
powers-off. The operating session will resume exactly where you left
off the next time you power-on the system.
Important:
The 5VSB power source of your power supply must support
≥1A.
AC Power Failure Recovery
When power returns after an AC power failure, you may choose to
either power-on the system manually, let the system power-on
automatically or return to the state where you left off before power
failure occurs.
14
Introduction
1
1.2 Hyper-Threading Technology Functionality
Requirements
Enabling the functionality of Hyper-Threading Technology for your
computer system requires ALL of the following platforms.
Components:
•
•
•
•
CPU - an Intel® Pentium® 4 Processor with HT Technology
Chipset - an Intel® chipset that supports HT Technology
BIOS - a BIOS that supports HT Technology and has it enabled
OS - an operating system that includes optimizations for HT
Technology
Please refer to Appendix A for information about enabling the
functionality of the Hyper-Threading Technology. For more information
on Hyper-Threading Technology, go to: www.intel.com/info/
hyperthreading.
1.3 Package Checklist
The system board package contains the following items:
!
!
!
!
!
!
!
One
One
One
One
One
One
One
system board
user’s manual
IDE cable
floppy cable
serial ATA data cable
I/O shield
“Main Board Utility” CD
If any of these items are missing or damaged, please contact your
dealer or sales representative for assistance.
15
2
Hardware Installation
Chapter 2 - Hardware Installation
2.1 System Board Layout
KB/Mouse
COM 1
1
CPU fan
PS/2 KB/Mouse
power select (JP2)
1
1
1
2nd fan
+12V power
ATX power
USB 1-4 power
select (JP3)
COM 2
DIMM
Standby
LED
Socket 478
Parallel
1
1
Power-on
select (JP6)
IDE 2 IDE 1
1
LAN 2; USB 3-4
LAN 1; USB 1-2
1
North bridge
fan
Intel
Gigabit
82547EI
Intel
Line-out
Line-in
Mic-in
82875P
Channel 0
82551QM
1
DDR 2
DDR 1
DDR 1
AGP
Intel
DDR 2
1
Channel 1
PCI Slot 1
Clear CMOS (JP5)
1
Chassis
open (J6) 1
SATA 2
PCI Standby LED
PCI Slot 2
BIOS Write
Protect (SW1)
I/O
PCI Slot 3
Game
Intel
1
1
IrDA
1 2
1
PCI-X Slot 1
ON
1
FDD
Battery
CD-in AUX-in
Chassis
fan
PCI Slot 4
Audio Codec
Front audio
S/PDIF
1
COM 3
Diagnostic
LED 1 LED 4
LED 2 LED 5 LEDs
1
WOL
G4H875-N
16
SATA 1
Hance
Rapids
BIOS
1
1
1
1
1
PWR-LED
ATX-SW
COM 4
1
1
HD-LED
RESET SPEAKER
Hardware Installation
KB/Mouse
COM 1
1
CPU fan
PS/2 KB/Mouse
power select (JP2)
1
2
1
1
2nd fan
+12V power
ATX power
USB 1-4 power
select (JP3)
COM 2
DIMM
Standby
LED
Socket 478
Parallel
1
1
Power-on
select (JP6)
IDE 2 IDE 1
1
1
USB 3-4
North bridge
fan
LAN; USB 1-2
Intel
Line-out
Line-in
Mic-in
82875P
Channel 0
82551QM
1
DDR 2
DDR 1
DDR 1
AGP
Intel
DDR 2
1
Channel 1
PCI Slot 1
Clear CMOS (JP5)
1
Chassis
open (J6) 1
SATA 2
PCI Standby LED
PCI Slot 2
BIOS Write
Protect (SW1)
I/O
PCI Slot 3
Game
Intel
SATA 1
Hance
Rapids
1
1
BIOS
IrDA
1 2
1
PCI-X Slot 1
FDD
Battery
CD-in AUX-in
Chassis
fan
PCI Slot 4
Audio Codec
Front audio
S/PDIF
1
ON
1
1
1
1
LED 1 LED 4
LED 2 LED 5
Diagnostic
LEDs
1
WOL
1
PWR-LED
ATX-SW
1
HD-LED
RESET SPEAKER
G4H875-C
17
2
Hardware Installation
KB/Mouse
COM 1
1
CPU fan
PS/2 KB/Mouse
power select (JP2)
1
1
1
2nd fan
+12V power
ATX power
USB 1-2 power
select (JP3)
COM 2
DIMM
Standby
LED
Socket 478
Parallel
1
1
Power-on
select (JP6)
IDE 2 IDE 1
1
1
North bridge
fan
LAN 1; USB 1-2
Intel
Line-out
Line-in
Mic-in
82875P
Channel 0
82551QM
1
DDR 2
DDR 1
DDR 1
AGP
Intel
DDR 2
1
Channel 1
PCI Slot 1
Clear CMOS (JP5)
1
Chassis
open (J6) 1
SATA 2
PCI Standby LED
PCI Slot 2
1
I/O
PCI Slot 3
SATA 1
1
1
BIOS
IrDA
1 2
1
PCI-X Slot 1
ON
1
1
FDD
Battery
CD-in AUX-in
Audio Codec
Front audio
S/PDIF
1
Intel
Hance
Rapids
USB 3-4
1
Game
USB 3-4 power
select (JP4)
1
1
BIOS Write
Protect (SW1)
PCI Slot 4
LED 1 LED 4
LED 2
LED 5
Diagnostic
LEDs
1
WOL
Chassis
fan
1
PWR-LED
ATX-SW
1
HD-LED
RESET SPEAKER
G4H875-B
Note:
The illustrations on the following pages are based on the G4H875-N
system board.
18
Hardware Installation
.
.
. . .
.
.
.
2
Warning:
Electrostatic discharge (ESD) can damage your system board,
processor, disk drives, add-in boards, and other components. Perform
the upgrade instruction procedures described at an ESD workstation
only. If such a station is not available, you can provide some ESD
protection by wearing an antistatic wrist strap and attaching it to a
metal part of the system chassis. If a wrist strap is unavailable,
establish and maintain contact with the system chassis throughout
any procedures requiring ESD protection.
2.2 System Memory
DDR 1
DDR 2
Channel 0
DDR 1
DDR 2
Channel 1
1 2
ON
The system board supports DDR SDRAM DIMM. Double Data
Rate SDRAM (DDR SDRAM) is a type of SDRAM that doubles the
data rate through reading and writing at both the rising and falling
edge of each clock. This effectively doubles the speed of operation
therefore doubling the speed of data transfer.
The four DDR DIMM sockets on the system board are divided into
2 channels:
Channel 0 - DDR 1 and DDR 2
Channel 1 - DDR 1 and DDR 2
19
2
Hardware Installation
The system board supports the following memory interface.
Single Channel (SC)
Data will be accessed in chunks of 64 bits (8B) from the memory
channels.
Virtual Single Channel (VSC)
If both channels are populated with different memory configurations,
the MCH defaults to Virtual Single Channel.
Dual Channel (DC)
Dual channel provides better system performance because it doubles
the data transfer rate.
Dynamic Mode Addressing
This mode minimizes the overhead of opening/closing pages in
memory banks allowing for row switching to be done less often.
Single Channel
• DIMMs are on the same channel.
• DIMMs in a channel can be identical or
completely different.
• Not all slots need to be populated.
Virtual Single
Channel
• DIMMs of different memory configurations are on different channels.
• Odd number of slots can be populated.
Dual Channel
• DIMMs of the same memory configuration are on different channels.
Dynamic Mode
Addressing
• In single channel, requires even
number or rows (side of the DIMM)
populated. This mode can be enabled
with 1 SS, 2 SS or 2 DS.
• In VSC mode, both channels must have
identical row structure.
20
Hardware Installation
2
BIOS Setting
Configure the system memory in the Advanced Chipset Features
submenu of the BIOS.
The table below lists the various optimal operating modes that should
be configured for the memory channel operation.
DDR 1
DDR 2
DDR 3
DDR 4
No memory
E
E
E
E
Single channel A
P
E
E
E
Single channel A
P
P
E
E
Single channel A
E
P
E
E
Single channel B
E
E
P
E
Single channel B
E
E
P
P
Single channel B
E
E
E
P
Virtual single channel
E
P(**)
E
P(**)
Virtual single channel
E
P
P
E
P(**)
Config
Virtual single channel
E
P(**)
P
Virtual single channel
P
E
E
P
Virtual single channel
P(**)
E
P(**)
E
Virtual single channel
p(**)
E
P(**)
P
Virtual single channel
P
P(**)
E
P(**)
Virtual single channel
P(**)
P
P(**)
E
Virtual single channel
P(**)
P(**)
P(**)
P(**)
Dual channel
E
P(*)(2,4)
E
P(*)(2,4)
Dual channel
P(*)(1,3)
E
P(*)(1,3)
E
Dual channel
P(*)(1,3)
P(*)(2,4)
P(*)(1,3)
P(*)(2,4)
Continued on the next page...
21
2
Hardware Installation
DDR 1
DDR 2
DDR 3
DDR 4
Dynamic Mode Addressing
E
P(*)(2,4)
DS
E
P(*)(2,4)
DS
Dynamic Mode Addressing
P(*)(1,3)
DS
E
P(*)(1,3)
DS
E
Dynamic Mode Addressing
P(*)(1,3)
DS
P(*)(2,4)
DS
P(*)(1,3)
DS
P(*)(2,4)
DS
Dynamic Mode Addressing
E
P(*)(2,4)
SS
E
P(*)(2,4)
SS
Dynamic Mode Addressing
P(*)(1,3)
SS
E
P(*)(1,3)
SS
E
Dynamic Mode Addressing
P(*)(1,3)
SS
P(*)(2,4)
SS
P(*)(1,3)
SS
P(*)(2,4)
SS
Config
P - denotes populated
E - denotes empty
* - denotes DIMMs are identical
** - denotes DIMMs are not identical
SS - denotes Single Sided DIMM
DS - denotes Double Sided DIMM
1, 2, 3 or 4 - denotes the DDR DIMM slot
22
Hardware Installation
2
2.2.1 Installing the DIM Module
A DIM module simply snaps into a DIMM socket on the system
board. Pin 1 of the DIM module must correspond with Pin 1 of the
socket.
Notch
Key
Tab
Tab
Pin 1
1. Pull the “tabs” which are at the ends of the socket to the side.
2. Position the DIMM above the socket with the “notch” in the
module aligned with the “key” on the socket.
3. Seat the module vertically into the socket. Make sure it is
completely seated. The tabs will hold the DIMM in place.
23
2
Hardware Installation
2.3 CPU
2.3.1 Overview
The system board is equipped with a surface mount 478-pin CPU
socket. This socket is exclusively designed for installing an Intel
processor.
2.3.2 Installing the CPU
1. Locate Socket 478 on the system board.
2. Unlock the socket by pushing the lever sideways, away from the
socket, then lifting it up to a 90o angle. Make sure the socket is
lifted to at least this angle otherwise the CPU will not fit in properly.
Lever
24
Hardware Installation
2
3. Position the CPU above the socket then align the gold mark on
the corner of the CPU (designated as pin 1) with pin 1 of the
socket.
Important:
Handle the CPU by its edges and avoid touching the pins.
Gold mark
Pin 1
4. Insert the CPU into the socket until it is seated in place. The
CPU will fit in only one orientation and can easily be inserted
without exerting any force.
Important:
Do not force the CPU into the socket. Forcing the CPU into
the socket may bend the pins and damage the CPU.
25
2
Hardware Installation
5. Once the CPU is in place, push down the lever to lock the
socket. The lever should click on the side tab to indicate that the
CPU is completely secured in the socket.
2.3.3 Installing the Fan and Heat Sink
The CPU must be kept cool by using a CPU fan with heatsink.
Without sufficient air circulation across the CPU and heat sink, the
CPU will overheat damaging both the CPU and system board.
Note:
• Only use Intel® certified fan and heat sink.
• An Intel® boxed processor package contains a retention
mechanism, heat sink, fan and installation guide. If the
installation procedure in the installation guide differs from
the one in this section, please follow the installation guide in
the package.
• If you are installing a non-boxed processor, the heat sink,
fan and retention mechanism assembly may look different
from the one shown in this section but the procedure will
more or less be the same.
26
Hardware Installation
2
1. The system board comes with the retention module base already
installed.
Retention
hole
Retention
hole
Retention
hole
Retention
hole
Retention
module base
2. Position the fan / heat sink and retention mechanism assembly
on the CPU, then align and snap the retention legs’ hooks to the
retention holes at the 4 corners of the retention module base.
Note:
You will not be able to snap the hooks into the holes if the
fan / heat sink and retention mechanism assembly did not
fit properly onto the CPU and retention module base.
Fan / heat sink
and retention
mechanism
assembly
Unsnapped
Snapped
27
2
Hardware Installation
3. The retention levers at this time remains unlocked as shown in
the illustration below.
Retention lever
Retention lever
4. Move the retention levers to their opposite directions then push
them down. This will secure the fan / heat sink and retention
mechanism assembly to the retention module base.
Note:
You will not be able to push the lever down if the direction
is incorrect.
5. Connect the CPU fan’s cable connector to the CPU fan
connector on the system board.
28
Hardware Installation
2
2.4 Jumper Settings
2.4.1 Clearing CMOS Data
JP5
!
1
2 3
1-2 On: Normal
(default)
1
2 3
2-3 On:
Clear CMOS Data
1 2
ON
If you encounter the following,
a) CMOS data becomes corrupted.
b) You forgot the supervisor or user password.
c) You are unable to boot-up the computer system because the
processor’s ratio/clock was incorrectly set in the BIOS.
you can reconfigure the system with the default values stored in the
ROM BIOS.
To load the default values stored in the ROM BIOS, please follow
the steps below.
1. Power-off the system.
2. Set JP5 pins 2 and 3 to On. Wait for a few seconds and set JP5
back to its default setting, pins 1 and 2 On.
3. Now power-on the system.
If your reason for clearing the CMOS data is due to incorrect
setting of the processor’s ratio/clock in the BIOS, please proceed
to step 4.
29
2
Hardware Installation
4. After powering-on the system, press <Del> to enter the main
menu of the BIOS.
5. Select the Frequency/Voltage Control submenu and press
<Enter>.
6. Set the “CPU Clock Ratio” or “CPU Clock” field to its default
setting or an appropriate bus clock or frequency ratio. Refer
to the Frequency/Voltage Control section in chapter 3 for
more information.
7. Press <Esc> to return to the main menu of the BIOS setup
utility. Select “Save & Exit Setup” and press <Enter>.
8. Type <Y> and press <Enter>.
30
Hardware Installation
2
2.4.2 PS/2 Keyboard/Mouse Wake Up
JP2
!
3
3
2
2
1
1-2 On: VCC
(default)
1
2-3 On: 5VSB
1 2
ON
This jumper is used to select the power of the PS/2 Keyboard/
Mouse port. Selecting 5VSB will allow you to use the Wake-OnPS/2 Keyboard/Mouse function.
BIOS Setting:
“Power On Function” (“Super IO Device” section) in the Integrated Peripherals submenu of the BIOS must be set accordingly.
Refer to chapter 3 for more information.
.
.
. . .
.
.
.
Warning:
The 5VSB power source of your power supply must support
≥2A.
31
2
Hardware Installation
2.4.3 USB Keyboard Wake Up
USB 1-4
(JP3)
2
2
1
1
1-2 On: VCC
(default)
USB 3-4
(JP4)
3
3
!
!
3
2 1
1 2
ON
1-2 On: VCC
(default)
2-3 On: 5VSB
3
2 1
2-3 On: 5VSB
These jumpers are used to select the power of the USB ports.
Selecting 5VSB will allow you to use the Wake-On-USB Keyboard function.
On the G4H875-N and G4H875-C system boards, JP3 is for
setting USB 1-4 that are at the rear I/O panel. USB 3-4 are not
present at the rear I/O panel of the G4H875-B system board,
therefore JP3 on this board is for setting USB 1-2 only.
On the G4H875-B system board, JP4 is for setting the external
ports connected to J12 (USB 3-4 connector).
BIOS Setting:
“USB KB WakeUp From S3(S4)” in the Power Management Setup
submenu of the BIOS must be set to Enabled. Refer to chapter 3
for more information.
Important:
• If you are using the Wake-On-USB Keyboard function for 2
USB ports, the 5VSB power source of your power supply
must support ≥2A.
• If you are using the Wake-On-USB Keyboard function for 3
or more USB ports, the 5VSB power source of your power
supply must support ≥2A.
32
Hardware Installation
2
2.4.4 Power-on Select
JP6
!
3
3
2
2
1
1
1-2 On:
Power-on via
power button
(default)
2-3 On:
Power-on via
AC power
1 2
ON
This jumper is used to select the method of powering on the
system. If you want the system to power-on once AC power
comes in, set JP6 pins 2 and 3 to On. If you want to use the
power button, set pins 1 and 2 to On.
33
2
Hardware Installation
2.4.5 BIOS Write Protect
1 2
ON
“White” represents the switch’s position.
ON
2 On:
BIOS Write
Protected
1 2
ON
1 On: Write only
to BIOS utility
1 2
ON
!
1 2
SW1
1-2 Off:
BIOS Not Write
Protected
SW1 is used to configure the BIOS Write Protect function. When
this function is enabled, the system will be protected from unnecessary updating or flashing of the BIOS. It secures the BIOS therefore
any updates to it will not take effect.
1 On:
The BIOS is basically protected but will allow you to update changes
ONLY by using the “Save & Exit Setup” function in the BIOS setup
utility. This prevents accidental flashing of the BIOS.
2 On:
The BIOS Write Protect function is enabled. The BIOS is secured
therefore you cannot update or flash the BIOS.
1 and 2 Off:
The BIOS Write Protect function is disabled. You can update or flash
the BIOS anytime needed.
34
Hardware Installation
2
2.5 Rear Panel I/O Ports
LAN 2 LAN 1
PS/2
Mouse
Parallel
Mic-in
Line-in
Line-out
PS/2
K/B
COM 1
COM 2
USB 3-4 USB 1-2
G4H875-N
LAN
PS/2
Mouse
Parallel
Mic-in
USB 4
Line-in
Line-out
PS/2
K/B
COM 1
COM 2
USB 3 USB 1-2
G4H875-C
LAN
PS/2
Mouse
Parallel
Mic-in
Line-in
Line-out
PS/2
K/B
COM 1
COM 2
USB 1-2
G4H875-B
35
2
Hardware Installation
2.5.1 PS/2 Mouse and PS/2 Keyboard Ports
PS/2 Mouse
"
PS/2 Keyboard
1 2
ON
The system board is equipped with an onboard PS/2 mouse
(Green) and PS/2 keyboard (Purple) ports - both at location CN1
of the system board. The PS/2 mouse port uses IRQ12. If a mouse
is not connected to this port, the system will reserve IRQ12 for
other expansion cards.
.
.
. . .
.
.
.
Warning:
Make sure to turn off your computer prior to connecting or
disconnecting a mouse or keyboard. Failure to do so may
damage the system board.
Wake-On-PS/2 Keyboard/Mouse
The Wake-On-PS/2 Keyboard/Mouse function allows you to use
the PS/2 keyboard or PS/2 mouse to power-on the system. To
use this function:
• Jumper Setting:
JP2 must be set to “2-3 On: 5VSB”. Refer to “PS/2 Keyboard/
Mouse Wake Up” in this chapter for more information.
• BIOS Setting:
“Power On Function” (“Super IO Device” section) in the Integrated Peripherals submenu of the BIOS must be set accordingly. Refer to chapter 3 for more information.
36
Hardware Installation
2
2.5.2 Serial Ports
"
COM 2
1 2
2
1
ON
RD
DTR
DSR
CTS
COM 1
CD
TD
SG
RTS
RI
9"
COM 3
COM 4
G4H875-N only
G4H875-N is equipped with 2 onboard serial ports (COM 1:
CN3 and COM 2: CN4) - both in Teal/Turquoise color. It is also
equipped with two 9-pin connectors (COM 3: J14 and COM 4:
J16) for connecting external serial ports.
G4H875-C and G4H875-B are each equipped with COM 1 (CN3)
and COM 2 (CN4). COM 3 and COM 4 are not present on these
boards.
To use J14 or J16 to connect external serial ports, please refer to
the following description. The serial ports may be mounted on a
card-edge bracket. Install the card-edge bracket to the system
chassis then insert the cable connector to J14 or J16. Make sure
the colored stripe on the ribbon cable is aligned with pin 1 of
J14 or J16.
Serial por ts are RS-232C asynchronous communication por ts
with 16C550A-compatible UARTs that can be used with modems,
serial printers, remote display terminals, and other serial devices.
BIOS Setting
Select the serial ports’ I/O address in the Integrated Peripherals
submenu (“Super IO Device” section) of the BIOS. Refer to
chapter 3 for more information.
37
2
Hardware Installation
2.5.3 Parallel Port
Parallel
"
1 2
ON
The system board has a standard parallel port (Burgundy) at
location CN7 for interfacing your PC to a parallel printer. It supports SPP, ECP and EPP.
Setting
Function
SPP
(Standard Parallel Port)
Allows normal speed operation but
in one direction only.
ECP
(Extended Capabilities Port)
Allows parallel port to operate in
bidirectional mode and at a speed
faster than the SPP’s data transfer
rate.
EPP
(Enhanced Parallel Port)
Allows bidirectional parallel port operation at maximum speed.
BIOS Setting
Select the parallel por t’s mode in the Integrated Peripherals
submenu (“Super IO Device” section) of the BIOS. Refer to
chapter 3 for more information.
38
Hardware Installation
2
2.5.4 Universal Serial Bus Ports
USB 4
USB 3
10
9
2
1
VCC
-Data
+Data
Ground
Key
1 2
ON
G4H875-N/C/B
"
USB
3-4
(J12)
USB 2
USB 1
VCC
-Data
+Data
Ground
N. C.
"
"
G4H875-N/C only
G4H875-B only
The system board supports USB 2.0/1.1 ports. USB allows data
exchange between your computer and a wide range of simultaneously accessible external Plug and Play peripherals.
G4H875-N and G4H875-C are each equipped with four onboard
USB 2.0/1.1 ports (Black) are at locations CN5 (USB 3-4) and
CN6 (USB 1-2) of the system board.
G4H875-B is equipped with two onboard USB ports (USB 1-2) at
location CN6. It is also equipped with a connector at location J12
for connecting additional external USB ports.
To use J12 to connect external USB ports, please refer to the
following description. The USB ports may be mounted on a cardedge bracket. Install the card-edge bracket to the system chassis
then insert the connector that is attached to the USB port cables
to J12. Make sure pin 1 of the cable connector is aligned with pin
1 of J12.
39
2
Hardware Installation
BIOS Setting
Configure USB in the Integrated Peripherals submenu (“Onboard
Device” section) of the BIOS. Refer to chapter 3 for more information.
Driver Installation
You may need to install the proper drivers in your operating system
to use the USB device. Refer to your operating system’s manual or
documentation for more information.
If you are using a USB 2.0 device, install the “Intel USB 2.0 Drivers”.
Refer to chapter 4 for more information.
Wake-On-USB Keyboard
The Wake-On-USB Keyboard function allows you to use a USB
keyboard to wake up a system from the S3 (STR - Suspend To
RAM) state. To use this function:
• Jumper Setting:
JP3 and/or JP4 must be set to “2-3 On: 5VSB”. Refer to “USB
Keyboard Wake Up” in this chapter for more information.
• BIOS Setting:
“USB KB WakeUp From S3(S4)” in the Power Management
Setup submenu of the BIOS must be set to Enabled. Refer to
chapter 3 for more information.
Important:
• If you are using the Wake-On-USB Keyboard function for 2
USB ports, the 5VSB power source of your power supply
must support ≥2A.
• If you are using the Wake-On-USB Keyboard function for 3
or more USB ports, the 5VSB power source of your power
supply must support ≥2A.
40
Hardware Installation
2
2.5.5 RJ45 LAN Port
LAN 2
"
"
G4H875-N only
LAN 1
1 2
ON
G4H875-N is equipped with 2 onboard RJ45 LAN ports. LAN 1
which is controlled by the Intel 82551QM chip is at location CN6
and LAN 2 which is controlled by the Intel Gigabit 82547EI chip is
at location CN5.
G4H875-C and G4H875-B are each equipped with the LAN 1
port only.
LAN allows the system board to connect to a local area network
by means of a network hub.
BIOS Setting
Enable or disable the Gigabit LAN in the Integrated Peripherals
submenu (“Onboard Device” section) of the BIOS. Refer to
chapter 3 for more information.
Driver Installation
Install the “Intel LAN Drivers”. Refer to chapter 4 for more information.
41
2
Hardware Installation
2.5.6 Audio
Mic-in
Line-in
"
1 2
Front
audio
10
"
9
Mic
Mic Power
AuD_R_Out
N. C.
AuD_L_Out
2
1
ON
GND
AuD_Vcc
AuD_R_Return
Key
AuD_L_Return
Line-out
Mic-in, Line-in and Line-out
The mic-in, line-in and line-out jacks are at location CN2 of the
system board. A jack is a one-hole connecting interface for inserting a plug.
• Mic-in Jack (Pink)
This jack is used to connect an external microphone.
• Line-in Jack (Light Blue)
This jack can be connected to the line-out jack of any external audio devices such as Hi-fi set, CD player, AM/FM radio
tuner, synthesizer, etc. Connect a stereo cable from the lineout jack of your external device to this line-in jack.
• Line-out Jack (Lime)
This jack is used to connect external speakers for audio output
from the system board. Using this jack disables the front audio’s line-out function.
42
Hardware Installation
2
Front Audio
The front audio connector (J3) allows you to connect to the
line-out and mic-in jacks that are at the front panel of your system. Using this connector will disable the rear audio’s line-out
and mic-in functions.
Remove the jumper caps from pins 5-6 and pins 9-10 of J3 prior
to connecting the front audio cable connector. Make sure pin 1
of the cable connector is aligned with pin 1 of J3. If you are not
using this connector, make sure to replace the jumper caps back
to their original pin locations.
Pins 5-6 and 9-10 short
(default)
The front audio is disabled.
The rear audio is enabled.
Pins 5-6 and 9-10 open
The front audio is enabled.
The rear audio is disabled.
Driver Installation
Install the “Audio Drivers”. Refer to chapter 4 for more information.
43
2
Hardware Installation
2.6 I/O Connectors
2.6.1 Game/MIDI Port
2
1 2
ON
"
1
15
The system board is equipped with a 15-pin connector at location J2 for connecting an external game/MIDI port. The game/
MIDI port may be mounted on a card-edge bracket. Install the
card-edge bracket to the system chassis then connect the game/
MIDI port cable to connector J2. Make sure the colored stripe
on the ribbon cable is aligned with pin 1 of connector J2.
BIOS Setting
Configure the game port in the Integrated Peripherals submenu
(“Super I/O Device” section) of the BIOS. Refer to chapter 3 for
more information.
44
Hardware Installation
2
2.6.2 Internal Audio Connectors
Ground Ground
Left audio Right audio
channel channel
CD-in
4"
1
1 2
4
ON
1
Ground Ground
Left audio Right audio
channel channel
AUX-in
The CD-in (J1) and AUX-in (J4) connectors are used to receive
audio from a CD-ROM drive, TV tuner or MPEG card.
45
2
Hardware Installation
2.6.3 S/PDIF Connector
1 2
1
ON
SPDIF out
Key GND
+5V
SPDIF in
5"
The S/PDIF connector (J5) is used to connect external S/PDIF
ports. The S/PDIF ports may be mounted on a card-edge bracket.
Install the card-edge bracket to the system chassis then connect
the audio cable connector to J5. Make sure pin 1 of the audio
cable connector is aligned with pin 1 of J5.
46
Hardware Installation
2
2.6.4 Floppy Disk Drive Connector
1 2
ON
!
The system board is equipped with a shrouded floppy disk drive
connector for connecting a standard floppy disk drive. To prevent
improper floppy cable installation, the shrouded floppy disk
header has a keying mechanism. The 34-pin connector on the
floppy cable can be placed into the header only if pin 1 of the
connector is aligned with pin 1 of the header.
Connecting the Floppy Disk Drive Cable
Install one end of the floppy disk drive cable into the shrouded
floppy disk header (J21) on the system board and the other endmost connector to the floppy drive. The colored edge of the
daisy chained ribbon cable should be aligned with pin 1 of J21.
BIOS Setting
Enable or disable this function in the Integrated Peripherals
submenu (“Super I/O Device” section) of the BIOS. Refer to
chapter 3 for more information.
47
2
Hardware Installation
2.6.5 Serial ATA Connectors
1
7 SATA 2
1
7 SATA 1
!
GND
TXP
TXN
GND
RXN
RXP
GND
1 2
ON
Connect one end of the SATA cable to J22 (SATA 2) or J23
(SATA 1) and the other end to your serial ATA device.
BIOS Setting
Configure the Serial ATA drives in the Integrated Peripherals
submenu (“OnChip IDE Device” section) of the BIOS. Refer to
chapter 3 for more information.
48
Hardware Installation
2
2.6.6 IDE Disk Drive Connector
39
40
IDE 1
!
IDE 2
!
2
1
1 2
ON
IDE 2
39
40
2
1
IDE 1
The system board is equipped with two shrouded PCI IDE headers
that will interface four Enhanced IDE (Integrated Drive Electronics)
disk drives. To prevent improper IDE cable installation, each shrouded
PCI IDE header has a keying mechanism. The 40-pin connector on
the IDE cable can be placed into the header only if pin 1 of the
connector is aligned with pin 1 of the header.
Each IDE connector supports 2 devices, a Master and a Slave.
Use an IDE ribbon cable to connect the drives to the system
board. An IDE ribbon cable have 3 connectors on them, one that
plugs into an IDE connector on the system board and the other
2 connects to IDE devices. The connector at the end of the cable
is for the Master drive and the connector in the middle of the
cable is for the Slave drive.
Connecting the IDE Disk Drive Cable
Install one end of the IDE cable into the IDE 1 header (J26) on
the system board and the other connectors to the IDE devices.
If you are adding a third or fourth IDE device, use another IDE
cable and install one end of the cable into the IDE 2 header
(J24) on the system board and the other connectors to the IDE
devices.
49
2
Hardware Installation
Note:
Refer to your disk drive user’s manual for information about
selecting proper drive switch settings.
Adding a Second IDE Disk Drive
When using two IDE drives, one must be set as the master and
the other as the slave. Follow the instructions provided by the
drive manufacturer for setting the jumpers and/or switches on
the drives.
The system board suppor ts Enhanced IDE or ATA-2, ATA/33,
ATA/66 or ATA/100 hard drives. We recommend that you use hard
drives from the same manufacturer. In a few cases, drives from two
different manufacturers will not function properly when used together.
The problem lies in the hard drives, not the system board.
Important:
If you encountered problems while using an ATAPI CD-ROM
drive that is set in Master mode, please set the CD-ROM drive
to Slave mode. Some ATAPI CD-ROMs may not be recognized
and cannot be used if incorrectly set in Master mode.
BIOS Setting
Enable or disable the onboard primary or secondary IDE in the
Integrated Peripherals submenu (“OnChip IDE Device” section)
of the BIOS. Refer to chapter 3 for more information.
50
Hardware Installation
2
2.6.7 IrDA Connector
IRRX
N. C. Ground
VCC
IRTX
1 2
5"
ON
1
Connect your IrDA cable to connector J7 on the system board.
Note:
The sequence of the pin functions on some IrDA cable may be
reversed from the pin function defined on the system board.
Make sure to connect the cable to the IrDA connector
according to their pin functions.
BIOS Setting
Configure IrDA in the Integrated Peripherals submenu (“Super IO
Device” section) of the BIOS.
Driver Installation
You may need to install the proper drivers in your operating
system to use the IrDA function. Refer to your operating system’s
manual or documentation for more information.
51
2
Hardware Installation
2.6.8 Cooling Fan Connectors
3
!1
!
Ground
Power
Sense
1
Ground
Power
N. C.
3
2nd fan
CPU fan
Power
Ground Sense
3
!
1
NB fan
1 2
ON
1
!3
Ground
Power
Sense
Chassis fan
Connect the CPU fan’s cable connector to the CPU fan connector (J13) on the system board. Connect the Intel 875P fan’s cable
connector to the NB fan connector (J27) on the system board.
The chassis fan (J19) and second fan (J25) connectors are used
to connect additional cooling fans. The cooling fans will provide
adequate airflow throughout the chassis to prevent overheating
the CPU and system board components.
BIOS Setting
The system is capable of monitoring the speed of the CPU fan,
NB fan and chassis fan. The “PC Health Status” submenu of the
BIOS will display the current speed of these cooling fans. Refer
to chapter 3 for more information.
More Information
Refer to appendix B for information on using the CPU Fan Protection function.
52
Hardware Installation
2
2.6.9 Wake-On-LAN Connector
1 2
ON
Ground
WOL +5VSB
!1
3
Your LAN card package should include a cable. Connect one end of
the cable to the wakeup header on the card and the other end to
location J10 on the system board. The network will detect Magic
Packet and assert a wake up signal to power-up the system. Refer
to the add-in card’s manual for details. Note: Your LAN card must
support the remote wake up function.
Important:
The 5VSB power source of your power supply must support
≥720mA.
BIOS Setting
To use the Wake-On-LAN function, you must enable the “Wake
Up On LAN Connector” field in the Power Management Setup
of the BIOS.
53
2
Hardware Installation
2.6.10 Chassis Open Connector
Chassis signal
Ground
2
1"
1 2
ON
The system board supports the chassis intrusion detection function. To use this function, connect the chassis intrusion sensor
cable from the chassis to J6. Whenever a chassis component has
been removed, the sensor sends signal to J6 alerting you of a
chassis intrusion event. To disable this function, place a jumper
cap over J6.
Hardware Doctor Utility
Install “Hardware Doctor”. By default, the chassis intrusion detection function is disabled. When enabled, a warning message will
appear when the chassis is open. The utility can also be
configured so that a beeping alarm will sound when the chassis is
open. Refer to the “Hardware Doctor” section in chapter 4 for
more information.
54
Hardware Installation
2
2.6.11 LEDs
DIMM Standby
Power LED
PCI Standby
Power LED
1 2
ON
!
LED 1
LED 4
LED 5
LED 2
Diagnostic LEDs
DIMM Standby Power LED
This LED will turn red when the system’s power is on or when it
is in the Suspend state (Power On Suspend or Suspend to RAM).
It will not light when the system is in the Soft-Off state.
PCI Standby Power LED
This LED will turn red when the system is in the power-on, SoftOff or Suspend (Power On Suspend or Suspend to RAM) state.
Important:
If the DIMM Standby Power LED or PCI Standby Power LED is
lighted, you must power-off the system then turn off the power
supply’s switch or unplug the power cord prior to installing any
memory modules or add-in cards.
Diagnostic LEDs
The 4 diagnostic LEDs are used to indicate the current condition
of the system. Refer to the table on the next page for a list of
LEDs’ status and their corresponding system condition.
55
2
Hardware Installation
LED 1 LED 2 LED 4 LED 5
56
Early program chipset register before POST.
On
Off
Off
Off
Testing memory presence.
Off
On
Off
Off
Detecting memory size.
On
On
Off
Off
No memory present.
Off
Off
On
Off
Programming DRAM timing register.
On
Off
On
Off
Calculating DRAM size
variable including row, column and bank.
Off
On
On
Off
Initializing JEDEC of current DRAM row.
On
On
On
Off
Checking CMOS checksum
and battery.
Off
Off
Off
On
Initializing the clock generator.
On
Off
Off
On
Initializing USB.
Off
On
Off
On
Testing
all
memor y
(cleared all extended
memory to 0).
On
On
Off
On
Initializing the onboard Super IO.
Off
Off
On
On
Detecting and installing an
IDE device.
On
Off
On
On
Final initialization.
Off
On
On
On
Booting the system.
On
On
On
On
Hardware Installation
2
2.6.12 Power Connectors
11 1
3.3V
3.3V
Ground
+5V
Ground
+5V
Ground
PW-OK
5VSB
+12V
3.3V
! -12V
Ground
PS-ON
Ground
Ground
Ground
-5V
+5V
+5V
20 10
1 2
ON
3
4
+12V
!Ground
+12V
Ground
1 2
We recommend that you use a power supply that complies with the
ATX12V Power Supply Design Guide Version 1.1. An ATX12V
power supply has a standard 20-pin ATX main power connector
and a 4-pin +12V power connector that must be inserted onto
CN9 and CN8 connectors respectively.
The 4-pin +12V power connector enables the delivery of more
+12VDC current to the processor’s Voltage Regulator Module
(VRM).
The system board requires a minimum of 250 Watt power supply
to operate. Your system configuration (amount of memory, add-in
cards, peripherals, etc.) may exceed the minimum power requirement.
To ensure that adequate power is provided, use a 300 Watt (or
greater) power supply.
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2
Hardware Installation
2.6.13 Front Panel Connectors
1 2
ON
ATX-SW
PWR-LED
J18
! 21
20
19
HD-LED
SPEAKER
RESET
HD-LED: Primary/Secondary IDE LED
This LED will light when the hard drive is being accessed.
RESET: Reset Switch
This switch allows you to reboot without having to power off the
system thus prolonging the life of the power supply or system.
SPEAKER: Speaker Connector
This connects to the speaker installed in the system chassis.
ATX-SW: ATX Power Switch
Depending on the setting in the BIOS setup, this switch is a “dual
function power button” that will allow your system to enter the SoftOff or Suspend mode. Refer to “Soft-Off By PWR-BTTN” in the
Power Management Setup (Chapter 3).
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Hardware Installation
2
PWR-LED: Power/Standby LED
When the system’s power is on, this LED will light. When the system
is in the S1 (POS - Power On Suspend) state, it will blink every
second. When the system is in the S3 (STR - Suspend To RAM)
state, it will blink every second.
Note:
If a system did not boot-up and the Power/Standby LED did
not light after it was powered-on, it may indicate that the CPU
or memory module was not installed properly. Please make
sure they are properly inserted into their corresponding socket.
Pin
Pin Assignment
HD-LED
(Primary/Secondary IDE LED)
3
5
HDD LED Power
HDD
Reserved
14
16
N. C.
N. C.
ATX-SW
(ATX power switch)
8
10
PWRBT+
PWRBT-
Reserved
18
20
N. C.
N. C.
RESET
(Reset switch)
7
9
Ground
H/W Reset
SPEAKER
(Speaker connector)
13
15
17
19
Speaker Data
N. C.
Ground
Speaker Power
PWR-LED
(Power/Standby LED)
2
4
6
LED Power (+)
LED Power (+)
LED Power (-) or Standby Signal
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BIOS Setup
Chapter 3 - BIOS Setup
3.1 Award BIOS Setup Utility
The Basic Input/Output System (BIOS) is a program that takes care
of the basic level of communication between the processor and
peripherals. In addition, the BIOS also contains codes for various
advanced features found in this system board. This chapter explains
the Setup Utility for the Award BIOS.
After you power up the system, the BIOS message appears on the
screen and the memory count begins. After the memory test, the
following message will appear on the screen:
Press DEL to enter setup
If the message disappears before you respond, restart the system or
press the “Reset” button. You may also restart the system by
pressing the <Ctrl> <Alt> and <Del> keys simultaneously.
When you press <Del>, the main menu screen will appear.
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BIOS Setup
3
3.1.1 Standard CMOS Features
Use the arrow keys to highlight “Standard CMOS Features” and
press <Enter>. A screen similar to the one below will appear.
The settings on the screen are for reference only. Your version may not be identical
to this one.
3.1.1.1 Date
The date format is <day>, <month>, <date>, <year>. Day displays
a day, from Sunday to Saturday. Month displays the month, from
January to December. Date displays the date, from 1 to 31. Year
displays the year, from 1990 to 2098.
3.1.1.2 Time
The time format is <hour>, <minute>, <second>. The time is based
on the 24-hour military-time clock. For example, 1 p.m. is 13:00:00.
Hour displays hours from 00 to 23. Minute displays minutes from
00 to 59. Second displays seconds from 00 to 59.
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BIOS Setup
3.1.1.3 IDE Channel 0 Master, IDE Channel 0 Slave, IDE Channel 1
Master and IDE Channel 1 Slave
Move the cursor to the “IDE Channel 0 Master”, “IDE Channel 0
Slave”, “IDE Channel 1 Master” or “IDE Channel 1 Slave” field, then
press <Enter>.
Note:
The fields in this section will vary in accordance to the settings
in the “On-Chip Serial ATA” field (“OnChip IDE Device” section)
of the Integrated Peripherals submenu.
The settings on the screen are for reference only. Your version may not be identical
to this one.
IDE HDD Auto Detection
Detects the parameters of the drive. The parameters will automatically be shown on the screen.
IDE Channel 0 Master/Slave and IDE Channel 1 Master/Slave
The drive type information should be included in the documentation
from your hard disk vendor. If you select ”Auto”, the BIOS will autodetect the HDD & CD-ROM drive at the POST stage and show
the IDE for the HDD & CD-ROM drive. If a hard disk has not
been installed, select “None”.
Access Mode
62
For hard drives larger than 528MB, you would typically select the
LBA type. Certain operating systems require that you select CHS or
Large. Please check your operating system’s manual or Help desk on
which one to select.
BIOS Setup
3
Capacity
Displays the approximate capacity of the disk drive. Usually the size
is slightly greater than the size of a formatted disk given by a disk
checking program.
Cylinder
This field displays the number of cylinders.
Head
This field displays the number of read/write heads.
Precomp
This field displays the number of cylinders at which to change the
write timing.
Landing Zone
This field displays the number of cylinders specified as the landing
zone for the read/write heads.
Sector
This field displays the number sectors per track.
3.1.1.4 Drive A
This field identifies the type of floppy disk drive installed.
None
360K, 5.25 in.
1.2M, 5.25 in.
720K, 3.5 in.
1.44M, 3.5 in.
2.88M, 3.5 in.
No floppy drive is installed
5-1/4 in. standard drive; 360KB capacity
5-1/4 in. AT-type high-density drive; 1.2MB capacity
3-1/2 in. double-sided drive; 720KB capacity
3-1/2 in. double-sided drive; 1.44MB capacity
3-1/2 in. double-sided drive; 2.88MB capacity
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BIOS Setup
3.1.1.5 Video
This field selects the type of video adapter used for the primary
system monitor. Although secondary monitors are supported, you do
not have to select the type. The default setting is EGA/VGA.
EGA/VGA
CGA 40
CGA 80
Mono
Enhanced Graphics Adapter/Video Graphics Array. For
EGA, VGA, SVGA and PGA monitor adapters.
Color Graphics Adapter. Power up in 40-column
mode.
Color Graphics Adapter. Power up in 80-column
mode.
Monochrome adapter. Includes high resolution monochrome adapters.
3.1.1.6 Halt On
This field determines whether the system will stop if an error is
detected during power up. The default setting is All Errors.
No Errors The system boot will not stop for any errors detected.
All Errors The system boot will stop whenever the BIOS detects
a non-fatal error.
All, But Keyboard The system boot will not stop for a keyboard
error; it will stop for all other errors.
All, But Diskette The system boot will not stop for a disk error;
it will stop for all other errors.
All, But Disk/Key The system boot will not stop for a disk or
keyboard error; it will stop for all other errors.
3.1.1.7 Base Memory
Displays the amount of base (or conventional) memory installed in
the system. The value of the base memory is typically 512K for
systems with 512K memory installed on the motherboard or 640K
for systems with 640K or more memor y installed on the
motherboard.
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BIOS Setup
3
3.1.1.8 Extended Memory
Displays the amount of extended memory detected during boot-up.
3.1.1.9 Total Memory
Displays the total memory available in the system.
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3
BIOS Setup
3.1.2 Advanced BIOS Features
The Advanced BIOS Features allows you to configure your system
for basic operation. Some entries are defaults required by the system
board, while others, if enabled, will improve the performance of your
system or let you set some features according to your preference.
The screen above list all the fields available in the Advanced BIOS Features
submenu, for ease of reference in this manual. In the actual CMOS setup, you have
to use the scroll bar to view the fields. The settings on the screen are for reference
only. Your version may not be identical to this one.
3.1.2.1 CPU Feature
This field is used to configure the CPU that is installed on the
system board.
3.1.2.2 Hard Disk Boot Priority
This field is used to select the boot sequence of the hard drives.
Move the cursor to this field then press <Enter>. Use the Up or
Down arrow keys to select a device then press <+> to move it up
or <-> to move it down the list.
3.1.2.3 CPU L1 & L2 Cache
These fields speed up the memory access. The default value is
enabled. Enable the external cache for better performance.
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BIOS Setup
3
3.1.2.4 CPU L3 Cache
This field is used to enable or disable the CPU’s L3 cache.
3.1.2.5 Hyper-Threading Technology (for Intel® Pentium® 4 Processor
with Hyper-Threading Technology only)
This field is used to enable the functionality of the Intel® Pentium® 4
Processor with Hyper-Threading Technology and will appear only
when using this processor.
3.1.2.6 Quick Power On Self Test
This field speeds up Power On Self Test (POST) whenever the
system is powered on. The BIOS will shorten or skip some check
items during POST. To attain the shortest POST time, select “Fast”.
3.1.2.7 First Boot Device, Second Boot Device, Third Boot Device and
Boot Other Device
Select the drive to boot first, second and third in the “First Boot
Device” “Second Boot Device” and “Third Boot Device” fields
respectively. The BIOS will boot the operating system according to
the sequence of the drive selected. Set “Boot Other Device” to
Enabled if you wish to boot from another device.
3.1.2.8 Boot Up Floppy Seek
When enabled, the BIOS will check whether the floppy disk drive
installed is 40 or 80 tracks. Note that the BIOS cannot distinguish
between 720K, 1.2M, 1.44M and 2.88M drive types as they are all 80
tracks. When disabled, the BIOS will not search for the type of floppy
disk drive by track number. Note that there will not be any warning
message if the drive installed is 360KB.
3.1.2.9 Boot Up NumLock Status
This allows you to determine the default state of the numeric
keypad. By default, the system boots up with NumLock on wherein
the function of the numeric keypad is the number keys. When set to
Off, the function of the numeric keypad is the arrow keys.
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BIOS Setup
3.1.2.10 Gate A20 Option
This entry allows you to select how gate A20 is handled. Gate A20
is a device used to address memory above 1 Mbyte. Initially, gate A20
was handled via the keyboard controller. Today, while keyboards still
provide this support, it is more common, and much faster, for the
system chipset to provide support for gate A20.
Fast
Normal
The chipset controls Gate A20.
A pin in the keyboard controller controls Gate A20.
3.1.2.11 Typematic Rate Setting
Disabled Continually holding down a key on your keyboard will
cause the BIOS to report that the key is down.
Enabled The BIOS will not only report that the key is down,
but will first wait for a moment, and, if the key is still
down, it will begin to report that the key has been
depressed repeatedly. For example, you would use such
a feature to accelerate cursor movements with the
arrow keys. You can then select the typematic rate and
typematic delay in the “Typematic Rate (Chars/Sec)”
and “Typematic Delay (Msec)” fields below.
3.1.2.12 Typematic Rate (Chars/Sec)
This field allows you to select the rate at which the keys are
accelerated.
3.1.2.13 Typematic Delay (Msec)
This field allows you to select the delay between when the key was
first depressed and when the acceleration begins.
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BIOS Setup
3
3.1.2.14 Security Option
This field determines when the system will prompt for the password
- everytime the system boots or only when you enter the BIOS
setup. Set the password in the Set Supervisor/User Password
submenu.
System The system will not boot and access to Setup will be
denied unless the correct password is entered at the
prompt.
Setup The system will boot, but access to Setup will be denied
unless the correct password is entered at the prompt.
3.1.2.15 APIC Mode
Leave this field in its default setting.
3.1.2.16 MPS Version Control for OS
This field is used to select the MPS version that the system board is
using.
3.1.2.17 OS Select for DRAM > 64MB
This field allows you to access the memory that is over 64MB in
OS/2.
3.1.2.18 Report No FDD For WIN 95
The options are Yes and No.
3.1.2.19 Small Logo(EPA) Show
Enabled The EPA logo will appear during system boot-up.
Disabled The EPA logo will not appear during system boot-up.
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BIOS Setup
3.1.3 Advanced Chipset Features
The settings on the screen are for reference only. Your version may not be identical
to this one.
This section gives you functions to configure the system based on
the specific features of the chipset. The chipset manages bus speeds
and access to system memory resources. These items should not
be altered unless necessary. The default settings have been chosen
because they provide the best operating conditions for your system.
The only time you might consider making any changes would be if
you discovered some incompatibility or that data was being lost
while using your system.
3.1.3.1 DRAM Timing Selectable
This field is used to select the timing of the DRAM.
By SPD
70
The EEPROM on a DIMM has SPD (Serial Presence Detect) data structure that stores information
about the module such as the memory type,
memory size, memory speed, etc. When this option
is selected, the system will run according to the
information in the EEPROM. This option is the
default setting because it provides the most stable
condition for the system. The “CAS Latency Time”
to “DRAM RAS# Precharge” fields will show the
default settings by SPD.
BIOS Setup
Manual
3
If you want your system to run at a performance
better than the one “by SPD”, select “Manual” then
select the best option in the “CAS Latency Time”
to “DRAM RAS# Precharge” fields.
3.1.3.2 CAS Latency Time
This field is used to select the local memory clock periods.
3.1.3.3 Active to Precharge Delay
The options are 5, 6, 7 and 8.
3.1.3.4 DRAM RAS# to CAS# Delay
The options are 2, 3 and 4.
3.1.3.5 DRAM RAS# Precharge
This field controls RAS# precharge (in local memory clocks).
3.1.3.6 Memory Frequency For
This field is used to select the memory clock speed of the DIMM.
The system board supports DDR266, DDR333 or DDR400 when
using 800MHz FSB CPU.
DDR333 will run at 320MHz memory frequency when used with
800MHz FSB CPU. Under such circumstance, make sure this field is
set to Auto or DDR320.
Refer to chapter 1 (System Memory section) for detailed specification of the memory supported by the system board.
3.1.3.7 System Bandwidth
The options are HPS3, MPS1, MPS2, LPS1, LPS2 and LPS3.
LPS denotes Low Bandwidth for overclocking.
MPS denotes Middle Bandwidth for overclocking.
HPS denotes High Bandwidth for overclocking.
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BIOS Setup
3.1.3.8 System BIOS Cacheable
When this field is enabled, accesses to the system BIOS ROM
addressed at F0000H-FFFFFH are cached, provided that the cache
controller is enabled. The larger the range of the Cache RAM, the
higher the efficiency of the system.
3.1.3.9 Video BIOS Cacheable
As with caching the system BIOS, enabling the Video BIOS cache will
allow access to video BIOS addresssed at C0000H to C7FFFH to
be cached, if the cache controller is also enabled. The larger the range
of the Cache RAM, the faster the video performance.
3.1.3.10 Memory Hole At 15M-16M
In order to improve system performance, certain space in memory can
be reserved for ISA cards. This memory must be mapped into the
memory space below 16MB. When enabled, the CPU assumes the 1516MB memory range is allocated to the hidden ISA address range
instead of the actual system DRAM. When disabled, the CPU assumes
the 15-16MB address range actually contains DRAM memory. If more
than 16MB of system memory is installed, this field must be disabled
to provide contiguous system memory.
3.1.3.11 AGP Aperture Size (MB)
This field is relevant to the memory-mapped graphics data of the
AGP card installed in your system. Leave this in its default setting.
3.1.3.12 Init Display First
This field is used to select whether to initialize the AGP or PCI first
when the system boots.
AGP
PCI Slot
72
When the system boots, it will first initialize the AGP.
When the system boots, it will first initialize PCI.
BIOS Setup
3
3.1.3.13 DRAM Data Integrity Mode
The ECC (Error Checking and Correction) function is supported only
in x72 (72-bit) PC SDRAM DIMMs. If you are using x64 (64-bit) PC
SDRAM DIMMs, set this field to Non-ECC.
Non-ECC
ECC
Uses x64 PC SDRAM DIMM.
This option allows the system to recover from memory
failure. It detects single-bit and multiple-bit errors, then
automatically corrects single-bit error.
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BIOS Setup
3.1.4 Integrated Peripherals
The settings on the screen are for reference only. Your version may not be identical
to this one.
3.1.4.1 OnChip IDE Device
Move the cursor to this field and press <Enter>. The following
screen will appear.
The settings on the screen are for reference only. Your version may not be identical
to this one.
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BIOS Setup
3
IDE HDD Block Mode
Enabled
The IDE HDD uses the block mode. The system BIOS
will check the hard disk drive for the maximum block
size the system can transfer. The block size will depend
on the type of hard disk drive.
Disabled The IDE HDD uses the standard mode.
IDE DMA Transfer Access
This field, when Enabled, will enhance the IDE DMA transfer of an
IDE hard disk drive.
On-Chip Primary PCI IDE and On-Chip Secondary PCI IDE
These fields allow you to enable or disable the primary and secondary IDE controller. Select Disabled if you want to add a different
hard drive controller.
IDE Primary Master/Slave PIO and IDE Secondary Master/Slave
PIO
PIO means Programmed Input/Output. Rather than have the BIOS
issue a series of commands to effect a transfer to or from the disk
drive, PIO allows the BIOS to tell the controller what it wants and
then let the controller and the CPU perform the complete task by
themselves. Your system supports five modes, 0 (default) to 4, which
primarily differ in timing. When Auto is selected, the BIOS will select
the best available mode after checking your drive.
Auto
Mode 0-4
The BIOS will automatically set the system according
to your hard disk drive’s timing.
You can select a mode that matches your hard disk
drive’s timing. Caution: Do not use the wrong setting
or you will have drive errors.
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BIOS Setup
IDE Primary Master/Slave UDMA and IDE Secondary Master/
Slave UDMA
These fields allow you to set the Ultra DMA in use. When Auto is
selected, the BIOS will select the best available option after checking
your hard drive or CD-ROM.
Auto
Disabled
The BIOS will automatically detect the settings for
you.
The BIOS will not detect these categories.
On-Chip Serial ATA
Disabled
Auto
Disables the onboard SATA.
The system will detect the existing SATA and
IDE drives then automatically set them to the
available master/slave mode.
Combined Mode This option allows you to use both IDE and
SATA drives; allowing a maximum of 4 drives.
You must manually set the SATA drives’ master/slave mode in the “Serial ATA Port0 Mode”
and “Serial ATA Port1 Mode” fields.
Enhanced Mode This option allows you to use both IDE and
SATA drives; allowing a maximum of 6 drives.
SATA Only
This option automatically sets the SATA drives
to Primar y Master and Secondary Master
modes. Since both drives are in master mode,
you cannot set the IDE drives to Master mode.
The “Serial ATA Port0 Mode” and “Serial ATA
Port1 Mode” fields will not be configurable.
Serial ATA Port0 Mode and Serial ATA Port1 Mode
These fields are used to select the master/slave mode of the serial
ATA drives. Make sure they do not conflict with the settings of the
IDE hard drives.
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BIOS Setup
3
3.1.4.2 Onboard Device
Move the cursor to this field and press <Enter>. The following
screen will appear.
The settings on the screen are for reference only. Your version may not be identical
to this one.
USB Controller
Enabled Enables the onboard USB.
Disabled Disables the onboard USB.
USB 2.0 Controller
If you are using a USB 2.0 device, this field must be set to Enabled.
USB Keyboard Support
By default, this field is Disabled. However, if you are using a USB
keyboard under DOS, make sure to enable this function.
USB Mouse Support
This field is used to enable or disable the USB mouse.
AC97 Audio
Auto
Select this option when using the onboard AC97 codec.
Disabled Select this option when using a PCI sound card.
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BIOS Setup
CSA LAN (Giga-LAN) - G4H875-N only
This field is used to enable or disable the onboard CSA Gigabit
LAN.
3.1.4.3 Super IO Device
Move the cursor to this field and press <Enter>. The following
screen will appear.
The settings on the screen are for reference only. Your version may not be identical
to this one.
Power On Function
This field allows you to use the keyboard or PS/2 mouse to poweron the system.
Button only
Default setting. Uses the power button to power
on the system.
Password
When this option is selected, set the password you
would like to use to power-on the system in the
“KB Power On Password” field.
Hot Key
When this option is selected, select the function key
you would like to use to power-on the system in
the “Hot Key Power On” field.
Mouse Left When this option is selected, double-click the left
button of the mouse to power-on the system.
Mouse Right When this option is selected, double-click the right
button of the mouse to power-on the system.
Any Key
Press any key to power-on the system.
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BIOS Setup
3
Keyboard 98 When this option is selected, press the “wake up”
key of the Windows 98 compatible keyboard to
power-on the system.
KB Power On Password
Move the cursor to this field and press <Enter>. Enter your password. You can enter up to 5 characters. Type in exactly the same
password to confirm, then press <Enter>.
The power button will not function once a keyboard password has
been set in this field. You must type the correct password to poweron the system. If you forgot the password, power-off the system and
remove the battery. Wait for a few seconds and install it back
before powering-on the system.
Hot Key Power On
This field is used to select a function key that you would like to use
to power-on the system.
Onboard FDC Controller
Enabled Enables the onboard floppy disk controller.
Disabled Disables the onboard floppy disk controller.
Onboard Serial Port 1 and Onboard Serial Port 2
Auto
The system will automatically select an I/O address for
the onboard serial port 1 and serial port 2.
3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3 Allows you to manually select an I/O address for the onboard serial port 1
and serial port 2.
Disabled Disables the onboard serial port 1 and/or serial port 2.
UART Mode Select
This field is used to select the type of IrDA standard supported by
your IrDA device. For better transmission of data, your IrDA
peripheral device must be within a 30o angle and within a distance
of 1 meter.
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BIOS Setup
RxD, TxD Active
The options are Hi, Lo; Lo, Hi; Lo, Lo; and Hi, Hi.
IR Transmission Delay
If this field is Enabled, transmission of data will be slower. This is
recommended when you encounter transmission problem with your
device. The options are: Enabled and Disabled.
UR2 Duplex Mode
Half
Full
Data is completely transmitted before receiving data.
Transmits and receives data simultaneously.
Use IR Pins
The options are IR-Rx2Tx2 and RxD2TxD2.
Onboard Parallel Port
378/IRQ7, 3BC/IRQ7, 278/IRQ5 Selects the I/O address and
IRQ for the onboard parallel port.
Disabled Disables the onboard parallel port.
Parallel Port Mode
The options are SPP, EPP, ECP and ECP+EPP. These apply to a
standard specification and will depend on the type and speed of
your device. Refer to your peripheral’s manual for the best option.
SPP
Allows normal speed operation but in one direction only.
“ECP (Extended Capabilities Port)”
Allows parallel port to operate in bidirectional mode and at a
speed faster than the normal mode’s data transfer rate.
“EPP (Enhanced Parallel Port)”
Allows bidirectional parallel port operation at maximum speed.
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BIOS Setup
3
If you selected EPP, the “EPP Mode Select” field is selectable. If you
selected ECP, the “ECP Mode Use DMA” field is selectable. If you
selected ECP+EPP, both “EPP Mode Select” and “ECP Mode Use
DMA” are selectable.
EPP Mode Select
This field is used to select the EPP mode of the parallel port.
ECP Mode Use DMA
This is used to select a DMA channel of the parallel port.
PWRON After Power-Fail
Off
When power returns after an AC power failure, the
system’s power is off. You must press the Power
button to power-on the system.
On
When power returns after an AC power failure, the
system will automatically power-on.
Former-Sts When power returns after an AC power failure, the
system will return to the state where you left off
before power failure occurs. If the system’s power is
off when AC power failure occurs, it will remain off
when power returns. If the system’s power is on
when AC power failure occurs, the system will poweron when power returns.
Game Port Address
This field is used to select the game port’s address.
Midi Port Address
This field is used to select the midi port’s address. If you have
selected the midi port’s address, you may select its IRQ in the “Midi
Port IRQ” field.
Midi Port IRQ
This field is used to select the midi port’s IRQ.
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BIOS Setup
Onboard Serial Port 3 (G4H875-N only)
This field is used to select the serial port 3’s I/O address.
Onboard Serial Port 3 IRQ (G4H875-N only)
This field is used to select the serial port 3’s IRQ address. This field
is not configurable if the “Onboard Serial Port 3” field is set to
Disabled.
Onboard Serial Port 4 (G4H875-N only)
This field is used to select the serial port 4’s I/O address.
Onboard Serial Port 4 IRQ (G4H875-N only)
This field is used to select the serial port 4’s IRQ address. This field
is not configurable if the “Onboard Serial Port 4” field is set to
Disabled.
3.1.4.4 Onboard LAN Boot ROM
Enable this field if you wish to use the boot ROM (instead of a disk
drive) to boot-up the system and access the local area network
directly.
If you wish to change the boot ROM’s settings, type the <Shift> and
<F10> keys simultaneously when prompted during boot-up. Take
note: you will be able to access the boot ROM’s program (by typing
<Shift> + <F10>) only when this field is enabled.
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3
3.1.5 Power Management Setup
The Power Management Setup allows you to configure your system
to most effectively save energy.
The screen above list all the fields available in the Power Management Setup
submenu, for ease of reference in this manual. In the actual CMOS setup, you have
to use the scroll bar to view the fields. The settings on the screen are for reference
only. Your version may not be identical to this one.
3.1.5.1 ACPI Function
This function should be enabled only in operating systems that support ACPI. Currently, only Windows® 98SE/2000/ME/XP supports
this function. If you want to use the Suspend to RAM function, make
sure this field is enabled then select “S3(STR)” in the “ACPI Suspend
Type” field.
3.1.5.2 ACPI Suspend Type
This field is used to select the type of Suspend mode.
S1(POS)
S3(STR)
Enables the Power On Suspend function.
Enables the Suspend to RAM function.
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BIOS Setup
3.1.5.3 Run VGABIOS if S3 Resume
When this field is set to Auto, the system will initialize the VGA BIOS
when it wakes up from the S3 state. This can be configured only if
the “ACPI Suspend Type” field is set to “S3(STR)”.
3.1.5.4 Power Management
This field allows you to select the type (or degree) of power saving
by changing the length of idle time that elapses before the Suspend
mode and HDD Power Down fields are activated.
Min Saving
Max Saving
User Define
Minimum power saving time for the Suspend Mode
(1 hour) and HDD Power Down (15 min.)
Maximum power saving time for the. Suspend
Mode and HDD Power Down = 1 min.
Allows you to set the power saving time in the
“Suspend Mode” and “HDD Power Down” fields.
3.1.5.5 Video Off Method
This determines the manner in which the monitor is blanked.
V/H SYNC + Blank This selection will cause the system to turn
off the vertical and horizontal synchronization
ports and write blanks to the video buffer.
Blank Screen This option only writes blanks to the video buffer.
DPMS
Initializes display power management signaling. Use
this option if your video board supports it.
3.1.5.6 Video Off In Suspend
This field is used to activate the video off feature when the system
enters the Suspend mode. The options are Yes and No.
3.1.5.7 Suspend Type
The options are Stop Grant and PwrOn Suspend.
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3.1.5.8 MODEM Use IRQ
This field is used to set an IRQ channel for the modem installed in
your system.
3.1.5.9 Suspend Mode
This is selectable only when the Power Management field is set to
User Define. When the system enters the Suspend mode according
to the power saving time selected, the CPU and onboard
peripherals will be shut off.
3.1.5.10 HDD Power Down
This is selectable only when the Power Management field is set to
User Define. When the system enters the HDD Power Down mode
according to the power saving time selected, the hard disk drive will
be powered down while all other devices remain active.
3.1.5.11 Soft-Off by PWR-BTTN
This field allows you to select the method of powering off your
system.
Delay 4 Sec. Regardless of whether the Power Management function is enabled or disabled, if the power button is
pushed and released in less than 4 sec, the system
enters the Suspend mode. The purpose of this
function is to prevent the system from powering off
in case you accidentally “hit” or pushed the power
button. Push and release again in less than 4 sec to
restore. Pushing the power button for more than 4
seconds will power off the system.
Instant-Off Pressing and then releasing the power button at
once will immediately power off your system.
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3.1.5.12 Wake-Up by PCI Card
Enabled
This field should be set to Enabled only if your PCI
card such as LAN card or modem card uses the PCI
PME (Power Management Event) signal to remotely
wake up the system. Access to the LAN card or PCI
card will cause the system to wake up. Refer to the
card’s documentation for more information.
Disabled The system will not wake up despite access to the PCI
card.
3.1.5.13 Power On by Ring
Set this field to Enabled to use the modem ring-on function. This will
allow your system to power-on to respond to calls coming from an
external modem.
3.1.5.14 Wake Up On LAN
Set this field to Enabled to allow the network to remotely wake up
a Soft Power Down (Soft-Off) PC. However, if your system is in the
Suspend mode, you can wake up the system only through an IRQ
or DMA interrupt.
3.1.5.15 Wake Up On LAN Connector
If you are using a LAN card that supports the remote wake up
function, set this field to Enabled.
3.1.5.16 USB KB WakeUp From S3(S4)
This field, when enabled, allows you to use a USB keyboard to wake
up a system that is in the S3 (STR - Suspend To RAM) state. This
can be configured only if the “ACPI Suspend Type” field is set to
“S3(STR)”.
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3.1.5.17 Resume By Alarm
Enabled
When Enabled, you can set the date and time you
would like the Soft Power Down (Soft-Off) PC to
power-on in the “Date (of Month) Alarm” and “Time
(hh:mm:ss) Alarm” fields. However, if the system is being
accessed by incoming calls or the network (Resume On
Ring/LAN) prior to the date and time set in these
fields, the system will give priority to the incoming calls
or network.
Disabled Disables the automatic power-on function. (default)
3.1.5.18 Date (of Month) Alarm
0
1-31
The system will power-on everyday according to the
time set in the “Time (hh:mm:ss) Alarm” field.
Select a date you would like the system to power-on.
The system will power-on on the set date, and time set
in the “Time (hh:mm:ss) Alarm” field.
3.1.5.19 Time (hh:mm:ss) Alarm
This is used to set the time you would like the system to power-on.
If you want the system to power-on everyday as set in the “Date
(of Month) Alarm” field, the time set in this field must be later than
the time of the RTC set in the Standard CMOS Features submenu.
3.1.5.20 Reload Global Timer Events
When enabled, access to the specified field (Primary IDE 0/1, Secondary IDE 0/1, FDD/COM/LPT Port or PCI PIRQ[A-D]#) will
cause the system to wake up completely from the power management mode. When disabled, the system will not wake up from the
power management mode despite access to the specified field.
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3.1.6 PnP/PCI Configurations
This section describes configuring the PCI bus system. It covers
some very technical items and it is strongly recommended that only
experienced users should make any changes to the default settings.
The settings on the screen are for reference only. Your version may not be identical
to this one.
3.1.6.1 Reset Configuration Data
Enabled The BIOS will reset the Extended System Configuration
Data (ESCD) once automatically. It will then recreate a
new set of configuration data.
Disabled The BIOS will not reset the configuration data.
3.1.6.2 Resources Controlled By
The Award Plug and Play BIOS has the capability to automatically
configure all of the boot and Plug and Play compatible devices.
Auto
Manual
88
The system will automatically detect the settings for you.
Choose the specific IRQ in the “IRQ Resources” field
respectively.
BIOS Setup
3
3.1.6.3 IRQ Resources
Move the cursor to this field and press <Enter>. The “IRQ-3” to
“IRQ-15” fields will appear. Set each system interrupt to either PCI
Device or Reserved.
The settings on the screen are for reference only. Your version may not be identical
to this one.
3.1.6.4 PCI/VGA Palette Snoop
This field determines whether the MPEG ISA/VESA VGA cards can
work with PCI/VGA or not. The default value is Disabled.
Enabled MPEG ISA/VESA VGA cards work with PCI/VGA.
Disabled MPEG ISA/VESA VGA cards does not work with PCI/
VGA.
3.1.6.5 INT Pin 1 Assignment to INT Pin 8 Assignment
By default, an IRQ is automatically assigned to the PCI devices that
are installed in the PCI slots.
If a PCI device has not been assigned an IRQ, you must manually
assign an IRQ for the device. During system boot-up, you will see
“NA” for the device that does not have an IRQ assigned.
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3.1.7 PC Health Status
The settings on the screen are for reference only. Your version may not be identical
to this one.
3.1.7.1 Shutdown Temperature
You can prevent the system from overheating by selecting a temperature in this field. If the system detected that its temperature
exceeded the one set in this field, it will automatically shutdown.
3.1.7.2 Current System Temperature, Current CPU Temperature,
Chassis Fan, CPU Fan and NB Fan
These fields show the internal temperature of the system, current
temperature of the CPU, and the current fan speed of the chassis, CPU
and NB fans in RPM (Revolutions Per Minute).
3.1.7.3 Vcore
These fields show the voltage of the processor.
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3.1.7.4 VCC3(V), +12(V), -12(V), VCC(V), VBAT(V) and 5VSB(V)
These fields show the output voltage of the power supply.
Note:
The onboard hardware monitor function is capable of detecting
“system health” conditions but if you want a warning message
to pop-up or a warning alarm to sound when an abnormal
condition occurs, you must install the Hardware Doctor utility.
This utility is included in the CD that came with the system
board. Refer to the Hardware Doctor section in chapter 4 for
more information.
3.1.7.5 Intrusion Events
When the system detected an intrusion event, a beeping alarm will
sound alerting you of an intrusion event. Determine and settle the
problem then perform the following steps to clear the instrusion event.
1. Restart the system.
2. Press <Del> to enter the BIOS setup.
3. Move the cursor to “PC Health Status” then press <Enter>.
4. Select the “Reset” option in the “Intrusion Events” field.
5. Press <Esc> to return to the main menu of the BIOS setup.
6. Move the cursor to “Save & Exit Setup” then press <Enter>.
7. Type “Y” and press <Enter>.
8. The system will restart with the intrusion event already cleared.
3.1.7.6 Intrusion Detection
The system board provides real-time detection of any chassis
intrusion events. To use this function, set this field to Enabled.
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3.1.8 Frequency/Voltage Control
The settings on the screen are for reference only. Your version may not be identical
to this one.
3.1.8.1 CPU Clock Ratio
This field is used to select the CPU’s frequency ratio.
Important:
The frequency ratio of some processors may have been locked
by the manufacturer. If you are using this kind of processor,
setting an extended ratio for the processor will have no effect.
The system will instead use its factory default ratio.
3.1.8.2 Auto Detect PCI Clk
When enabled, the system will automatically send clock signals to
existing PCI devices.
3.1.8.3 Spread Spectrum
Leave this field in its default setting. Do not alter this setting unless
advised by an engineer or technician.
3.1.8.4 Async AGP/PCI CLK
This field is used to select the bus clock of the AGP and PCI.
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3.1.8.5 CPU Clock
This field provides several options for selecting the external system
bus clock of the processor. The available options allow you to adjust
the processor’s bus clock by 1MHz increment.
Important:
Selecting an external bus clock other than the default setting
may result to the processor’s or system’s instability and are not
guaranteed to provide better system performance.
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3.1.9 Load Fail-Safe Defaults
The “Load Fail-Safe Defaults” option loads the troubleshooting
default values permanently stored in the ROM chips. These settings
are not optimal and turn off all high performance features. You
should use these values only if you have hardware problems.
Highlight this option in the main menu and press <Enter>.
If you want to proceed, type <Y> and press <Enter>. The default
settings will be loaded.
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3.1.10 Load Optimized Defaults
The “Load Optimized Defaults” option loads optimized settings from
the BIOS ROM. Use the default values as standard values for your
system. Highlight this option in the main menu and press <Enter>.
Type <Y> and press <Enter> to load the Setup default values.
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3.1.11 Set Supervisor Password
If you want to protect your system and setup from unauthorized
entry, set a supervisor’s password with the “System” option selected
in the Advanced BIOS Features. If you want to protect access to
setup only, but not your system, set a supervisor’s password with the
“Setup” option selected in the Advanced BIOS Features. You will not
be prompted for a password when you cold boot the system.
Use the arrow keys to highlight “Set Supervisor Password” and
press <Enter>.
Type in the password. You are limited to eight characters. When
done, the message below will appear:
Confirm Password:
You are asked to verify the password. Type in exactly the same
password. If you type in a wrong password, you will be prompted
to enter the correct password again. To delete or disable the
password function, highlight “Set Supervisor Password” and press
<Enter>, instead of typing in a new password. Press the <Esc> key
to return to the main menu.
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3.1.12 Set User Password
If you want another user to have access only to your system but
not to setup, set a user’s password with the “System” option selected in the Advanced BIOS Features. If you want a user to enter a
password when trying to access setup, set a user’s password with
the “Setup” option selected in the Advanced BIOS Features.
Using user’s password to enter Setup allows a user to access only
“Set User Password” that appears in the main menu screen. Access
to all other options is denied.
Use the arrow keys to highlight “Set User Password” and press
<Enter>.
Type in the password. You are limited to eight characters. When
done, the message below will appear:
Confirm Password:
You are asked to verify the password. Type in exactly the same
password. If you type in a wrong password, you will be prompted
to enter the correct password again. To delete or disable the
password function, highlight “Set User Password” and press <Enter>,
instead of typing in a new password. Press the <Esc> key to return
to the main menu.
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3.1.13 Save & Exit Setup
When all the changes have been made, highlight “Save & Exit Setup”
and press <Enter>.
Type “Y” and press <Enter>. The modifications you have made will
be written into the CMOS memory, and the system will reboot. You
will once again see the initial diagnostics on the screen. If you wish to
make additional changes to the setup, press <Ctrl> <Alt> <Esc>
simultaneously or <Del> after memory testing is done.
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3.1.14 Exit Without Saving
When you do not want to save the changes you have made,
highlight “Exit Without Saving” and press <Enter>.
Type “Y” and press <Enter>. The system will reboot and you will
once again see the initial diagnostics on the screen. If you wish to
make any changes to the setup, press <Ctrl> <Alt> <Esc> simultaneously or <Del> after memory testing is done.
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3.2 Updating the BIOS
To update the BIOS, you will need the new BIOS file and a flash
utility, AWDFLASH.EXE. Please contact technical support or your
sales representative for the files.
Note:
AWDFLASH.EXE works only in DOS mode.
1. Save the new BIOS file along with the flash utility
AWDFLASH.EXE to a floppy disk.
2. Reboot the system and enter the Award BIOS Setup Utility to
set the first boot drive to “Floppy”.
3. Save the setting and reboot the system.
4. After the system booted from the floppy disk, execute the flash
utility by typing AWDFLASH.EXE. The following screen will appear.
Award BIOS Flash Utility V.8.15B
(C) Phoenix Technologies Ltd. All Rights Reserved.
(The current BIOS information will appear in this area.)
File Name to Program :
5. Type the new BIOS file name onto the gray area that is next to
“File Name to Program” then press <Enter>.
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6. The following will appear.
Do You Want to Save BIOS (Y/N)
This question refers to the current existing BIOS in your system.
We recommend that you save the current BIOS and its flash
utility; just in case you need to reinstall the BIOS. To save the
current BIOS, press <Y> then enter the file name of the current
BIOS. Otherwise, press <N>.
7. The following will then appear.
Press “Y” to Program or “N” to Exit
8. Press <Y> to flash the new BIOS.
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Supported Software
Chapter 4 - Supported Software
4.1 Desktop Management Interface (DMI)
The system board comes with a DMI built into the BIOS. DMI,
along with the appropriately networked software, is designed to
make inventory, maintenance and troubleshooting of computer systems easier. With DMI, a network administrator or MIS engineer
can remotely access some information about a particular computer system without physically going to it. Quite often a service call
may be unnecessary as the problem can be solved remotely.
The DMI utility in the BIOS automatically records various information about your system configuration. Information about the type
and speed of CPU, type and amount of memory for each memory
slot, BIOS revision level, types of add-in PCI boards and components, certain revision numbers of hardware installed, etc. are automatically detected and stored in the DMI pool, which is a part
of the system board's Plug and Play BIOS. Additional information,
such as ISA based peripherals, which may not be automatically detected, can be manually recorded in the DMI pool by using the Add
DMI menu. The DMI pool data is then verified or updated whenever the system hardware or setup is altered.
4.1.1 Running the DMI Utility
To run the DMI utility, type: DMICFG.EXE. Please contact technical
support or your sales representative for the utility.
The DMI utility must run in real mode with at least 180K of base
memory. Memory managers like HIMEM.SYS (required by Windows)
must not be installed. You may do this by using one of the 3 methods
listed below.
1. Boot up from a system diskette without the AUTOEXEC.BAT and
CONFIG.SYS files,
2. “REM” HIMEM.SYS in the CONFIG.SYS, or
3. Press <F5> during bootup to bypass your AUTOEXEC.BAT and
CONFIG.SYS files.
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4.1.2 Using the DMI Utility
Award DMI Configuration Utility Copyright Award Software Inc, 1996
[Edit DMI] [Add DMI] [Load DMI File] [Save DMI File]


BIOS
System
Enclosure/Chassis
Processor
Memory Controller
Memory Module
Memory Module
Memory Module
Memory Module
Cache
Cache
Port Connector
Port Connector
Port Connector
Port Connector
Port Connector
Port Connector
Port Connector
System Slots

↑ ↓ ← Move cursor
→
*** BIOS Auto Detect ***
Type : BIOS Information
Handle : 0000
Vendor Name :
BIOS Version :
BIOS Starting Address Segment : E000
BIOS Build Date :
BIOS Characteristics :
Size of BIOS ROM : 0256K
ENTER-Accept
DEL-Delete
ESC-Abort&Exit
The four menus located on top of the DMI Configuration Utility screen
are Edit DMI, Add DMI, Load DMI File and Save DMI File. Use the
← or → (left or right) arrow keys to select a menu from the Menu
bar.
On the left side of the screen is a list of the system configuration items.
Use the ↑ or ↓ (up or down) arrow keys to select an item.
The commands at the bottom of the screen will allow you to navigate
through the various setup menus.
Edit DMI
1. Use the ← or → arrow keys to select the Edit DMI menu.
2. Highlight the item on the left screen that you would like to edit
by using the ↑ or ↓ arrow keys, then press <Enter>.
3. The cursor will move to the screen you select allowing you to edit
information. The screen will also display the auto-detected
information.
4. Press <F10> to update the edited information into the flash ROM.
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Add DMI
1. Use the ← or → arrow keys to select the Add DMI menu.
2. Highlight the item on the left screen that you would like to add
by using the ↑ or ↓ arrow keys, then press <Enter>.
3. The cursor will move to the screen you select allowing you to enter
information about the added item.
4. Press <F10> to save information into the flash ROM.
To view information about the added items, go to the Edit DMI menu.
Load DMI File
1. Use the ← or → arrow keys to select the Load DMI File menu.
2. The following message will appear.
Press [Enter] to select DMI file for load
Press <Enter>.
3. The DMI files will appear on the screen. Select the file you would
like to load and press <Enter>.
4. The following message will appear.
Do you want to execute? (Y/N)
Type <Y>. All previous DMI structures will be destroyed and the
new file will be saved into the flash ROM.
Save DMI File
1. Use the ← or → arrow keys to select the Save DMI File menu.
2. The following message will appear.
Press [Enter] to select DMI file for save
Press <Enter>.
3. Enter the directory and filename under which you would like the
DMI file saved.
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4.2 Drivers, Utilities and Software Applications
The CD that came with the system board contains drivers, utilities
and software applications required to enhance the performance of
the system board.
Insert the CD into a CD-ROM drive. The autorun screen (Main
Board Utility CD) will appear. If after inserting the CD, "Autorun"
did not automatically start (which is, the Main Board Utility CD
screen did not appear), please go directly to the root directory
of the CD and double-click "Setup".
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4.2.1 Intel 875 INF Update Utility
The Intel 875 INF Update Utility is used for updating Windows
98SE/2000/ME/XP's INF files so that the Intel chipset can be
recognized and configured properly in the system.
To install the utility, please follow the steps below.
1. Click “Intel 875 INF Update Utility” on the main menu. The
following screen will appear.
2. Follow the prompts on the screen to complete installation.
3. Reboot the system for the utility to take effect.
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4.2.2 Intel LAN Drivers
To install the driver, please follow the steps below.
1. Click “Intel LAN Drivers” on the main menu.
2. Click “Wired LAN Adapters”. The following screen will appear.
3. Click “Install Software”. This will install the LAN application
software. After installing the software, run the application software by double-clicking the icon on the lower right of the
taskbar. The “Intel(R) PROSet II” screen will appear. For more
information about using the utility, click “View User Guide” on
the screen above.
4. Go back to the screen above to install the LAN driver. Click
“Install Base Driver”.
5. Follow the prompts on the screen to complete installation.
6. Reboot the system for the driver to take effect.
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4.2.3 Intel USB 2.0 Drivers
If you are using a USB 2.0 device, you must install the USB 2.0
driver. The drivers are supported in the following operating systems:
Windows 98 SE, Windows ME and Windows 2000.
To install the driver, please follow the steps below.
1. Click “Intel USB 2.0 Drivers” on the main menu. If you are
using Windows 98 SE or Windows ME, the following screen
will appear.
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Windows 2000 does not support auto-installation of the USB
2.0 driver. When you click “Intel USB 2.0 Drivers”, the “readme”
screen will appear.
2. Follow the installation instructions shown on the screen.
3. Reboot the system for the driver to take effect.
Important:
If you are using Windows® XP, you must install the Windows
Service Pack 1 USB 2.0 driver which comes available after you
have installed the operating system.
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4.2.4 Audio Drivers
The audio drivers are supported in the following operating systems: Windows  98SE, Windows  ME, Windows NT  4.0,
Windows 2000 and Windows XP.
To install the driver, please follow the steps below.
1. Click “Audio Drivers”. The following screen will appear.
2. Follow the prompts on the screen to complete installation.
3. Reboot the system for the driver to take effect.
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4.2.5 Microsoft DirectX 9
To install, please follow the steps below.
1. Click “Microsoft DirectX 9” on the main menu. The following
screen will appear.
2. Click “I accept the agreement” then click “Next”.
3. Follow the prompts on the screen to complete installation.
4. Reboot the system for the driver to take effect.
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4.2.6 Hardware Doctor
Hardware Doctor is capable of monitoring the system’s hardware
conditions such as the temperature of the CPU and system, voltage, and speed of the cooling fans. It also allows you to manually
set a range to the items being monitored. If the values are over
or under the set range, a warning message will pop-up. The utility
can also be configured so that a beeping alarm will sound whenever an error occurs. We recommend that you use the “Default
Setting” which is the ideal setting that would keep the system in
good working condition.
Note:
Use this utility only in Windows® 98SE, Windows® ME, Windows® 2000, Windows NT® 4.0 or Windows® XP operating
system.
To install the utility, please follow the steps below.
1. Click “Hardware Doctor”. The screen below will appear.
2. Follow the prompts on the screen to complete installation.
3. Restart the system.
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4.3 Installation Notes
1. "Autorun" ONLY supports the Windows 98 SE, Windows ME,
Windows  2000, Windows NT  4.0 and Windows  XP
operating systems. If after inserting the CD, "Autorun" did not
automatically start (which is, the Main Board Utility CD screen
did not appear), please go directly to the root directory of the
CD and double-click "Setup".
2. All steps or procedures to install software drivers are subject
to change without notice as the softwares are occassionally
updated. Please contact technical support or your sales representative for the latest version of the drivers or software applications.
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A
Enabling Hyper-Threading Technology
Appendix A - Enabling Hyper-Threading Technology
A.1 Enabling Hyper-Threading Technology
To enable the functionality of the Hyper-Threading Technology, please
follow the requirements and steps below. Basically, the following
presumes that you have already installed an Intel® Pentium® 4
Processor with Hyper-Threading Technology.
1. The system requires a minimum of 300 Watt ATX 12V power
supply.
2. Aside from installing a CPU fan on the Intel® Pentium® 4
Processor with Hyper-Threading Technology, make sure to install
cooling fans. The system requires adequate airflow throughout the
chassis to prevent overheating the processor.
3. The “CPU Hyper-Threading” field in the Advanced BIOS Features
submenu of the Award BIOS setup will appear. Make sure this
field is set to Enabled.
4. Currently, only Windows® XP supports the Hyper-Threading
Technology. If this OS has been previously installed, you must
REINSTALL it.
5. After installing Windows® XP, please check the following to
ensure that the operating system has been properly installed.
a. Click Start, point to Settings then click Control Panel.
b. Double-click the System icon. The System Properties dialog
box will appear.
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Enabling Hyper-Threading Technology
A
c. Click the General tab. The processor shown under Computer
should resemble the one shown below.
d. Now click the Hardware tab then click Device Manager. The
items shown under Computer and Processors should
resemble the ones shown below.
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Enabling Hyper-Threading Technology
e. Lastly, press the <Ctrl> <Alt> and <Del> keys
simultaneously. The Windows Task Manager dialog box will
appear. Click the Performance tab. The diagram under CPU
Usage History should resemble the one shown below.
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CPU Fan Protection
B
Appendix B - CPU Fan Protection
The CPU must be kept cool by using a CPU fan with heat sink.
Without sufficient air circulation across the CPU and heat sink, the
CPU will overheat damaging both the CPU and system board.
The system board supports the CPU Fan Protection function. It has
the capability of monitoring the CPU fan when the system boots. Once
it has detected that the CPU fan did not rotate, 5 warning beeps will
sound then the system will automatically power-off. This preventive
measure has been added to protect the CPU from damage and
insure a safe computing environment.
To use the CPU Fan Protection function, please follow the steps
below.
1. Before you power-on the system, make sure the heat sink and
CPU fan are correctly installed onto the CPU. The system is
capable of monitoring the CPU fan, therefore you must use a fan
with sense pin to support this function. Connect the CPU fan to
the CPU fan connector on the system board.
2. The “CPU Fan Protection” field in the PC Health Status submenu
of the BIOS must be set to “Enabled”.
3. You may now power-on the system.
Three circumstances may occur causing the system to detect CPU
fan failure.
1. The CPU fan is not connected to the CPU fan connector on the
system board.
2. The CPU fan may be damaged. Replace it with a new fan.
3. The CPU fan did not rotate immediately upon system boot-up or
it took some time before the CPU fan rotated. Check whether the
heat sink and fan are mounted properly onto the CPU then restart
the system. If the same problem occurs, you must replace it with
a good quality fan - one that will rotate immediately once power
comes in and also one that will dissipate heat more efficiently,
otherwise, you have to disable this function in the BIOS.
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C
CPU Temperature Protection
Appendix C - CPU Temperature Protection
The CPU Temperature Protection function has the capability of
monitoring the CPU’s temperature during system boot-up.
To use the CPU Temperature Protection function, please follow the
steps below.
1. Select the “PC Health Status” submenu in the BIOS.
2. Set the “CPU Temp. Prot. Function” field to “Enabled”.
3. Select the CPU temperature limit in the “CPU Temp. Prot. Alarm”
field.
4. Press <Esc> to return to the main menu then save the settings
by selecting “Save & Exit Setup”.
Once the system has detected that the CPU’s temperature exceeded
the temperature limit defined in the BIOS, 5 warning beeps will sound
then the system will automatically power-off.
Check whether the heat sink and fan are mounted properly onto
the CPU because high CPU temperature may be due to incorrect
fan / heat sink installation. Now restart the system. If the same
problem persist, it may be the CPU fan is damaged or it is not
rotating properly. Try replacing it with a new fan. If it is due to other
contributing factors that resulted to high CPU temperature, you may
need to set a lower CPU temperature limit.
CPU Temperature References
When you power-up a system, the BIOS message appears on the
screen and the memory count begins. After the memory test, the
CPU temperature range is normally between 32oC and 35oC. When
you run an operating system then tried to reboot the system, the
CPU temperature range at this time is between 40oC and 45oC.
These temperature references serve as a guide when you select the
CPU temperature limit.
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System Error Message
D
Appendix D - System Error Message
When the BIOS encounters an error that requires the user to
correct something, either a beep code will sound or a message will
be displayed in a box in the middle of the screen and the message,
PRESS F1 TO CONTINUE, CTRL-ALT-ESC or DEL TO ENTER
SETUP, will be shown in the information box at the bottom. Enter
Setup to correct the error.
D.1 POST Beep
There are two kinds of beep codes in the BIOS. One code indicates
that a video error has occured and the BIOS cannot initialize the
video screen to display any additional information. This beep code
consists of a single long beep followed by three short beeps. The
other code indicates that a DRAM error has occured. This beep
code consists of a single long beep.
D.2 Error Messages
One or more of the following messages may be displayed if the
BIOS detects an error during the POST. This list indicates the error
messages for all Awards BIOSes:
CMOS BATTERY HAS FAILED
The CMOS battery is no longer functional. It should be replaced.
Caution:
Danger of explosion if battery incorrectly replaced. Replace only
with the same or equivalent type recommended by the
manufacturer. Dispose of used batteries according to the
battery manufacturer’s instructions.
CMOS CHECKSUM ERROR
Checksum of CMOS is incorrect. This can indicate that CMOS has
become corrupt. This error may have been caused by a weak
battery. Check the battery and replace if necessary.
DISPLAY SWITCH IS SET INCORRECTLY
The display switch on the motherboard can be set to either
monochrome or color. This indicates the switch is set to a different
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D
System Error Message
setting than indicated in Setup. Determine which setting is correct,
either turn off the system and change the jumper or enter Setup and
change the VIDEO selection.
FLOPPY DISK(S) fail (80)
Unable to reset floppy subsystem.
FLOPPY DISK(S) fail (40)
Floppy type mismatch.
Hard Disk(s) fail (80)
HDD reset failed.
Hard Disk(s) fail (40)
HDD controller diagnostics failed.
Hard Disk(s) fail (20)
HDD initialization error.
Hard Disk(s) fail (10)
Unable to recalibrate fixed disk.
Hard Disk(s) fail (08)
Sector Verify failed.
Keyboard is locked out - Unlock the key
The BIOS detects that the keyboard is locked. Keyboard controller is
pulled low.
Keyboard error or no keyboard present
Cannot initialize the keyboard. Make sure the keyboard is attached
correctly and no keys are being pressed during the boot.
Manufacturing POST loop
System will repeat POST procedure infinitely while the keyboard
controller is pull low. This is also used for the M/B burn in test at the
factory.
BIOS ROM checksum error - System halted
The checksum of ROM address F0000H-FFFFFH is bad.
Memory test fail
The BIOS reports memory test fail if the memory has error(s).
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Troubleshooting
E
Appendix E - Troubleshooting
E.1 Troubleshooting Checklist
This chapter of the manual is designed to help you with problems
that you may encounter with your personal computer. To efficiently
troubleshoot your system, treat each problem individually. This is to
ensure an accurate diagnosis of the problem in case a problem has
multiple causes.
Some of the most common things to check when you encounter
problems while using your system are listed below.
1. The power switch of each peripheral device is turned on.
2. All cables and power cords are tightly connected.
3. The electrical outlet to which your peripheral devices are
connected is working. Test the outlet by plugging in a lamp or
other electrical device.
4. The monitor is turned on.
5. The display’s brightness and contrast controls are adjusted
properly.
6. All add-in boards in the expansion slots are seated securely.
7. Any add-in board you have installed is designed for your system
and is set up correctly.
Monitor/Display
If the display screen remains dark after the system is turned on:
1. Make sure that the monitor’s power switch is on.
2. Check that one end of the monitor’s power cord is properly
attached to the monitor and the other end is plugged into a
working AC outlet. If necessary, try another outlet.
3. Check that the video input cable is properly attached to the
monitor and the system’s display adapter.
4. Adjust the brightness of the display by turning the monitor’s
brightness control knob.
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Troubleshooting
The picture seems to be constantly moving.
1. The monitor has lost its vertical sync. Adjust the monitor’s vertical
sync.
2. Move away any objects, such as another monitor or fan, that
may be creating a magnetic field around the display.
3. Make sure your video card’s output frequencies are supported
by this monitor.
The screen seems to be constantly wavering.
1. If the monitor is close to another monitor, the adjacent monitor
may need to be turned off. Fluorescent lights adjacent to the
monitor may also cause screen wavering.
Power Supply
When the computer is turned on, nothing happens.
1. Check that one end of the AC power cord is plugged into a live
outlet and the other end properly plugged into the back of the
system.
2. Make sure that the voltage selection switch on the back panel is
set for the correct type of voltage you are using.
3. The power cord may have a “short” or “open”. Inspect the cord
and install a new one if necessary.
Floppy Drive
The computer cannot access the floppy drive.
1. The floppy diskette may not be formatted. Format the diskette
and try again.
2. The diskette may be write-protected. Use a diskette that is not
write-protected.
3. You may be writing to the wrong drive. Check the path
statement to make sure you are writing to the targeted drive.
4. There is not enough space left on the diskette. Use another
diskette with adequate storage space.
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Troubleshooting
E
Hard Drive
Hard disk failure.
1. Make sure the correct drive type for the hard disk drive has
been entered in the BIOS.
2. If the system is configured with two hard drives, make sure the
bootable (first) hard drive is configured as Master and the
second hard drive is configured as Slave. The master hard drive
must have an active/bootable partition.
Excessively long formatting period.
1. If your hard drive takes an excessively long period of time to
format, it is likely a cable connection problem. However, if your
hard drive has a large capacity, it will take a longer time to
format.
Parallel Port
The parallel printer doesn’t respond when you try to print.
1. Make sure that your printer is turned on and that the printer is
on-line.
2. Make sure your software is configured for the right type of
printer attached.
3. Verify that the onboard LPT port’s I/O address and IRQ settings
are configured correctly.
4. Verify that the attached device works by attaching it to a parallel
port that is working and configured correctly. If it works, the
printer can be assumed to be in good condition. If the printer
remains inoperative, replace the printer cable and try again.
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Troubleshooting
Serial Port
The serial device (modem, printer) doesn’t output anything or is
outputting garbled characters.
1. Make sure that the serial device’s power is turned on and that
the device is on-line.
2. Verify that the device is plugged into the correct serial port on
the rear of the computer.
3. Verify that the attached serial device works by attaching it to a
serial port that is working and configured correctly. If the serial
device does not work, either the cable or the serial device has a
problem. If the serial device works, the problem may be due to
the onboard I/O or the address setting.
4. Make sure the COM settings and I/O address are configured
correctly.
Keyboard
Nothing happens when a key on the keyboard was pressed.
1. Make sure the keyboard is properly connected.
2. Make sure there are no objects resting on the keyboard and
that no keys are pressed during the booting process.
System Board
1. Make sure the add-in card is seated securely in the expansion
slot. If the add-in card is loose, power off the system, re-install
the card and power up the system.
2. Check the jumper settings to ensure that the jumpers are
properly set.
3. Verify that all memory modules are seated securely into the
memory sockets.
4. Make sure the memory modules are in the correct locations.
5. If the board fails to function, place the board on a flat surface
and seat all socketed components. Gently press each component
into the socket.
6. If you made changes to the BIOS settings, re-enter setup and
load the BIOS defaults.
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