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CAPA312
Intel
®
Pentium
®
and Celeron
®
Processor N4200
Processor N3350
3.5
” Board
User’s Manual
Disclaimers
This manual has been carefully checked and believed to contain accurate information.
Axiomtek Co., Ltd. assumes no responsibility for any infringements of patents or any third party
’s rights, and any liability arising from such use.
Axiomtek does not warrant or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information in this document. Axiomtek does not make any commitment to update the information in this manual.
Axiomtek reserves the right to change or revise this document and/or product at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Axiomtek Co., Ltd.
CAUTION
If you replace wrong batteries, it causes the danger of explosion. It is recommended by the manufacturer that you follow the manufacturer
’s instructions to only replace the same or equivalent type of battery, and dispose of used ones.
Copyright 2017 Axiomtek Co., Ltd.
All Rights Reserved
May 2017, Version A1
Printed in Taiwan
ii
ESD Precautions
Computer boards have integrated circuits sensitive to static electricity. To prevent chipsets from electrostatic discharge damage, please take care of the following jobs with precautions:
Do not remove boards or integrated circuits from their anti-static packaging until you are ready to install them.
Before holding the board or integrated circuit, touch an unpainted portion of the system unit chassis for a few seconds. It discharges static electricity from your body.
Wear a wrist-grounding strap, available from most electronic component stores, when handling boards and components.
Trademarks Acknowledgments
Axiomtek is a trademark of Axiomtek Co., Ltd.
Intel
®
and Celeron
®
are trademarks of Intel Corporation.
Windows
®
is a trademark of Microsoft Corporation.
AMI is a trademark of American Megatrend Inc.
IBM, PC/AT, PS/2, VGA are trademarks of International Business Machines Corporation.
Other brand names and trademarks are the properties and registered brands of their respective owners. iii
Table of Contents
Chapter 1 Introduction ............................................. 1
Utilities Supported .............................................................................. 3
Chapter 2 Board and Pin Assignments .................... 5
Board Dimensions and Fixing Holes ................................................. 5
Jumper and Switch Settings .............................................................. 9
Restore BIOS Optimal Defaults (JP3) ....................................................... 10
COM3 Data/Power Selection (JP4) ........................................................... 10
LVDS and eDP +3.3V/+5V/+12V Voltage Selection (JP5) ........................ 10
Auto Power On (SSW1) ............................................................................ 10
SMBus Connector (CN1) .......................................................................... 12
Front Panel Connector (CN2) ................................................................... 12
COM3 and COM4 Wafer Connectors (CN3 and CN4) ............................. 13
USB 2.0 Wafer Connector (CN7) .............................................................. 14
SATA Power Connector (CN12) ................................................................ 14
SATA Connector (CN15) ........................................................................... 15
LVDS Connector (CN16) ........................................................................... 16
COM1 and COM2 Wafer Connector (CN17 and CN18) ........................... 18
HDMI Connector (CN19) ........................................................................... 18
USB 3.0 Ports (CN20 and CN21) .............................................................. 19
COM1 D-Sub Connector (CN22) .............................................................. 19
VGA Connector (CN23) (Optional) ............................................................ 20
ATX Power Connector (ATX1)................................................................... 20
Ethernet Ports (LAN1 and LAN2) .............................................................. 21
Full-size PCI-Express Mini Card Connector (SCN1) ................................ 22
SIM Card Socket (SCN2) .......................................................................... 23
Full-size PCI-Express Mini Card and mSATA Connector (SCN3) ............. 23
iv
eDP Connector (SCN4) (Optional) ............................................................ 24
Chapter 3 Hardware Description ........................... 25
Microprocessors ............................................................................... 25
System Memory ................................................................................. 25
I/O Port Address Map ........................................................................ 26
Interrupt Controller (IRQ) Map ......................................................... 27
Memory Map ...................................................................................... 34
Chapter 4 AMI BIOS Setup Utility .......................... 35
Navigation Keys ................................................................................ 35
Advanced Menu ................................................................................. 38
Save & Exit Menu .............................................................................. 64
Appendix A Watchdog Timer ................................... 67
About Watchdog Timer ..................................................................... 67
How to Use Watchdog Timer ............................................................ 67
Appendix B Digital I/O ............................................. 69
Digital I/O Programming ................................................................... 69
Appendix C BIOS Flash Utility ................................ 71
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CAPA312 3.5
” Board
Chapter 1
Introduction
The CAPA312, a 3.5
” board, supports Intel
®
Pentium
®
N4200 and Celeron
®
N3350. It delivers outstanding system performance through high-bandwidth interfaces, multiple I/O functions for interactive applications and various embedded computing solutions.
The CAPA312 has one 204-pin unbuffered SO-DIMM socket for single channel DDR3L
1867MHz memory with maximum memory capacity up to 8GB. There are two Gigabit/Fast
Ethernet ports, one SATA port with transfer rate up to 6Gb/s, four USB 3.0 ports, two USB 2.0 ports and built-in HD audio codec that can achieve the best stability and reliability for industrial applications. Additionally, it provides you with unique embedded features, such as four serial ports (two RS-232/422/485 and two RS-232) and 3.5
” form factor that applies an extensive array of PC peripherals.
Introduction 1
CAPA312 3.5
” Board
1.1 Features
Intel
®
Pentium
®
quad core N4200 (1.1GHz) and Celeron
®
dual core N3350 (1.1GHz)
1 DDR3L SO-DIMM supports up to 8GB memory capacity
4 USB 3.0 ports and 2 USB 2.0 ports
2 PCI-Express Mini Cards
1.2 Specifications
CPU
Intel
®
Intel
®
Pentium
Celeron
®
®
quad core N4200 1.1GHz.
dual core N3350 1.1GHz.
Thermal Solution
Passive.
Operating Temperature
-20°C~+70°C.
BIOS
American Megatrends Inc. UEFI (Unified Extensible Firmware Interface) BIOS.
64Mbit SPI Flash, DMI, Plug and Play.
PXE Ethernet Boot ROM.
System Memory
One 204-pin unbuffered DDR3L SO-DIMM socket.
Maximum up to 8GB DDR3L 1600MHz memory capacity.
Onboard Multi I/O
Serial Ports: Two RS-232/422/485 and two RS-232.
Serial ATA
One SATA-600 connector.
mSATA supported.
USB Interface
Four USB 3.0 ports on the rear I/O.
Two USB 2.0 ports in 2x5-pin internal wafer connector.
Display
One 2x20-pin connector for 18/24-bit single/dual channel LVDS and one 8-pin inverter connector. LVDS resolution is up to 1920x1200 in 24-bit dual channels.
One HDMI. The resolution is up to 3840x2160.
(Optional) One 15-pin D-Sub as VGA connector. The resolution is up to 1920x1200.
(Optional) One eDP. The resolution is up to 3840x2160.
2 Introduction
CAPA312 3.5
” Board
Watchdog Timer
Timeout value range is 1~65535 seconds.
Ethernet
Two RJ-45 LAN ports: Intel
®
i211AT supports 1000/100/10Mbps Gigabit/Fast
Ethernet with Wake-on-LAN and PXE Boot ROM.
Audio
HD audio compliant with Realtek ALC662.
Line-out and line-in/MIC-in via internal box header.
Expansion Interface
One full-size PCI-Express Mini Card socket complies with PCI-Express Mini Card
Spec. V1.2.
One full-size PCI-Express Mini Card (with mSATA supported) complies with
PCI-Express Mini Card Spec. V1.2.
Power Input
One 2x2-pin connector.
+12V DC-in only.
Auto power on function supported.
Power Management
ACPI (Advanced Configuration and Power Interface).
Form Factor
3.5
” form factor.
All specifications and images are subject to change without notice.
Note
1.3 Utilities Supported
Chipset and graphics driver
Ethernet driver
Audio driver
Trusted Execution Engine
Introduction 3
CAPA312 3.5
” Board
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4 Introduction
CAPA312 3.5
” Board
Chapter 2
Board and Pin Assignments
2.1 Board Dimensions and Fixing Holes
Top View
Board and Pin Assignments 5
CAPA312 3.5
” Board
Bottom View
6
Side View
Board and Pin Assignments
2.2 Board Layout
CAPA312 3.5
” Board
Top View
Side View
Board and Pin Assignments 7
CAPA312 3.5
” Board
Bottom View
8 Board and Pin Assignments
CAPA312 3.5
” Board
2.3 Jumper and Switch Settings
Jumper is a small component consisting of jumper clip and jumper pins. Install jumper clip on 2 jumper pins to close. And remove jumper clip from 2 jumper pins to open. Below illustration shows how to set up jumper.
Properly configure jumper and switch settings on the CAPA312 to meet your application purpose. Below you can find a summary table of jumpers, switch and onboard default settings.
Note
Once the default jumper or switch setting needs to be changed, please do it under power-off condition.
Jumper and Switch Description Setting
JP3
JP4
JP5
SSW1
Restore BIOS Optimal Defaults
Default: Normal Operation
COM3 Data/Power Selection
Default: RS-232 Data
CN4 Pin 1: DCD
CN4 Pin 8: RI
LVDS and eDP +3.3V/+5V/+12V Voltage Selection
Default: +3.3V
Auto Power On
Default: Disable
1-2 Close
3-5 Close
4-6 Close
1-2 Close
1-2 Close
Board and Pin Assignments 9
CAPA312 3.5
” Board
2.3.1 Restore BIOS Optimal Defaults (JP3)
This is a 1x3-pin (pitch=2.0mm) jumper. Put jumper clip to pin 2-3 for a few seconds then move it back to pin 1-2. Doing this procedure can restore BIOS optimal defaults.
Function Setting
Normal (Default)
Restore BIOS optimal defaults
1-2 close
2-3 close
2.3.2 COM3 Data/Power Selection (JP4)
This is a 2x3-pin (pitch=2.0mm) jumper. The COM3 port has +5V level power capability on DCD and +12V level on RI by setting jumper JP4.
Function
Power: Set CN4 pin 1 to +5V level
Data: Set CN4 pin 1 to DCD (Default)
Power: Set CN4 pin 8 to +12V level
Data: Set CN4 pin 8 to RI (Default)
Setting
1-3 close
3-5 close
2-4 close
4-6 close
2.3.3 LVDS and eDP +3.3V/+5V/+12V Voltage Selection (JP5)
This is a 2x3-pin (pitch=2.0mm) jumper. The board supports voltage selection for flat panel displays. Use these jumpers to set CN16 pin 1~6 and SCN4 pin 1~4 to +3.3V, +5V or +12V. To prevent hardware damage, before connecting please make sure that the input voltage of flat panel is correct.
Function Setting
+3.3V level (Default)
+5V level
+12V level
1-2 close
2-4 close
5-6 close
2.3.4 Auto Power On (SSW1)
If SSW1 is enabled for power input, the system will be automatically power on without pressing soft power button. If SSW1 is disabled for power input, it is necessary to manually press soft power button to power on the system.
Function Setting
Disable auto power on (Default) 1-2 close
Enable auto power on 2-3 close
10 Board and Pin Assignments
CAPA312 3.5
” Board
2.4 Connectors
Signals go to other parts of the system through connectors. Loose or improper connection might cause problems, please make sure all connectors are properly and firmly connected.
Here is a summary table of connectors on the hardware.
Connector Description
CN1
CN2
CN3
CN4
CN5
CN6
CN7
CN11
CN12
CN13
CN14
CN15
CN16
CN17 (Optional)
CN18
CN19
CN20
CN21
CN22
CN23 (Optional)
ATX1
LAN1~LAN2
SCN1
SCN2
SCN3
SCN4 (Optional)
SDIMM1
SMBus Connector
Front Panel Connector
COM4 Wafer Connector
COM3 Wafer Connector
Audio Connector
Digital I/O Connector
USB 2.0 Wafer Port 4 and 5
I2C Connector
SATA Power Connector
Fan Connector
Inverter Connector
SATA Connector
LVDS Connector
COM1 Wafer Connector
COM2 Wafer Connector
HDMI Connector
USB 3.0 Port 0 and 1
USB 3.0 Port 2 and 3
COM1 D-Sub Connector
VGA Connector
ATX Power Connector
Ethernet Port 1 and 2
Full-size PCI-Express Mini Card Connector
SIM Card Socket
Full-size PCI-Express Mini Card or mSATA Connector eDP Connector
DDR3L SO-DIMM Connector
Board and Pin Assignments 11
CAPA312 3.5
” Board
2.4.1 SMBus Connector (CN1)
This connector is a 3-pin (pitch=2.0mm) wafer connector, which is compliant with JST
B3B-PH-K-S, for SMBus interface. The SMBus (System Management Bus) is a simple bus for the purpose of lightweight communication.
Pin Signal
1
2
3
SMBus clock
SMBus data
GND
1
3
5
7
9
2.4.2 Front Panel Connector (CN2)
This is a 2x5-pin header (pitch=2.0mm) for front panel interface.
Pin Signal Pin Signal
PWR-
PWRLED-
PWRSW-
HW RST-
HDDLED-
2
4
PWR+
PWRLED+
6
8
PWRSW+
HW RST+
10 HDDLED+
Power Status
Pin 1 and pin 2 are for power status button; letting user know the power status of this board.
Power LED
Pin 4 connects anode (+) of LED and pin 3 connects cathode(-) of LED. The power LED lights up when the system is powered on.
Power On/Off Button
Pin 5 and 6 connect the power button on front panel to CPU board, which allows users to turn on or off power supply.
System Reset Switch
Pin 7 and 8 connect the case-mounted reset switch that reboots your computer without turning off the power switch. It is a better way to reboot your system for a longer life of system power supply.
HDD Activity LED
This connection is linked to hard drive activity LED on the control panel. LED flashes when HDD is being accessed. Pin 9 and 10 connect the hard disk drive to the front panel
HDD LED, pin 9 is assigned as cathode(-) and pin 10 is assigned as anode(+).
12 Board and Pin Assignments
CAPA312 3.5
” Board
2.4.3 COM3 and COM4 Wafer Connectors (CN3 and CN4)
The CN3 and CN4 are 2x5-pin connectors for COM4 and COM3 interface, respectively.
Only COM3 is equipped with +5V level power capability on DCD and +12V level on RI by setting JP4 (see section 2.3.2).
Pin Signal
1
3
5
7
9
DCD
RXD
TXD
DTR
GND
Pin Signal
2
4
DSR
RTS
6
8
CTS
RI
10 No use
1
3
5
7
9
2.4.4 Audio Connector (CN5)
This is a 2x5-pin connector for audio interface.
Pin Signal Pin Signal
MIC_IN
LINE_IN_L
LINE_IN_R
2
4
6
GND
GND
GND
AUDIO_OUT_L 8 GND
AUDIO_OUT_R 10 GND
2.4.5 Digital I/O Connector (CN6)
This is a 2x5-pin (pitch=2mm) connector. The board is equipped with an 8-channel (4 inputs and 4 outputs) digital I/O that meets requirements for a system customary automation control. The digital I/O can be configured to control cash drawers and sense warning signals from an Uninterrupted Power System (UPS), or perform store security control. You may use software programming to control these digital signals, please refer to Appendix B.
Pin Signal
1
3
5
7
9
Digital Input 1
Digital Input 2
Digital Input 3
Digital Input 4
+5V
Pin Signal
2
4
6
Digital Output 8
Digital Output 7
Digital Output 6
8 Digital Output 5
10 GND
Board and Pin Assignments 13
CAPA312 3.5
” Board
2.4.6 USB 2.0 Wafer Connector (CN7)
This is a 2x5-pin (pitch=2mm) wafer, which is compliant with Hirose DF11-xdp-2dsa, and a Universal Serial Bus (USB) connector for installing versatile USB 2.0 compliant interface peripherals.
Pin Signal Pin Signal
1
3
5
7
9
USB VCC
(+5V_SBY)
USB #4_D-
USB #4_D+
GND
GND
2
USB VCC
(+5V_SBY)
USB #5_D- 4
6 USB #5_D+
8 GND
10 GND
2.4.7 I2C Connector (CN11)
This connector is a 3-pin (pitch=1.25mm), which is compliant with Molex 530470310, for
I2C interface.
Pin
1
2
3
Signal
I2C_CLK_SBY
I2C_DAT_SBY
GND
2.4.8 SATA Power Connector (CN12)
The CN12 is a 4-pin (pitch=2mm) wafer connector, which is compliant with JST
B4B-PH-K-S, for SATA power interface.
Pin Signal
1
2
3
4
+12V
GND
GND
+5V
4
1
2.4.9 Fan Connector (CN13)
A fan interface is available through this connector. You can find fan speed within BIOS
Setup Utility if fan is installed. For further information, see BIOS Setup Utility:
Advanced\Hardware Monitor\PC Health Status (see section 4.4).
Pin Signal
1
2
3
GND
+12V level
Fan speed feedback
14 Board and Pin Assignments
CAPA312 3.5
” Board
2.4.10 Inverter Connector (CN14)
This is a DF13-8P-1.25C 8-pin (pitch=1.25mm) connector for inverter interface. We strongly recommend you to use the matching DF13-8P-1.25C connector to avoid malfunction.
Pin
1
2
3
4
5
6
7
8
Signal
VBL1 (+12V level)
VBL1 (+12V level)
VBL2 (+5V level)
VBL_ENABLE
GND
GND
GND
VBL Brightness Control
2.4.11 SATA Connector (CN15)
This Serial Advanced Technology Attachment (Serial ATA or SATA) connector is for high-speed SATA interface. It is a computer bus interface for connecting to devices such as hard disk drive.
Pin
1
2
3
4
5
6
7
Signal
GND
SATA_TXP0
SATA_TXN0
GND
SATA_RXN0
SATA_RXP0
GND
Board and Pin Assignments 15
CAPA312 3.5
” Board
2.4.12 LVDS Connector (CN16)
This board has a 2x20-pin (pitch=1mm) connector for LVDS LCD interface. It is strongly recommended to use the matching JST SHDR-40VS-B connector for LVDS interface.
Pin 1~6 VCCM can be set to +3.3V, +5V or +12V by setting JP5 (see section 2.3.3).
18-bit single channel
Pin Signal Pin Signal
1
3
5
7
9
VCCM
VCCM
VCCM
N.C
GND
11 N.C
13 N.C
15 GND
17 N.C
19 N.C
21 GND
2
4
VCCM
VCCM
6
8
VCCM
N.C
10 GND
12 N.C
14 N.C
16 GND
18 N.C
20 N.C
22 GND
23 Channel A D0- 24 N.C
25 Channel A D0+ 26 N.C
27 GND 28 GND
29 Channel A D1- 30 N.C
31 Channel A D1+ 32 N.C
33 GND 34 GND
35 Channel A D2- 36 Channel A CLK-
37 Channel A D2+ 38 Channel A CLK+
39 GND 40 GND
16 Board and Pin Assignments
CAPA312 3.5
” Board
24-bit single channel
Pin Signal Pin Signal
1 VCCM
3 VCCM
5 VCCM
7 N.C
9 GND
11 N.C
13 N.C
15 GND
17 N.C
2 VCCM
4 VCCM
6 VCCM
8
N.C
10 GND
12 N.C
14 N.C
16 GND
18 N.C
19 N.C
21 GND
20 N.C
22 GND
23 Channel A D0- 24 N.C
25 Channel A D0+ 26 N.C
27 GND 28 GND
29 Channel A D1- 30 Channel A D3-
31 Channel A D1+ 32 Channel A D3+
33 GND 34 GND
35 Channel A D2- 36 Channel A CLK-
37 Channel A D2+ 38 Channel A CLK+
40 GND 39 GND
24-bit dual channel
Pin Signal Pin Signal
18-bit dual channel
Pin Signal
1 VCCM
3 VCCM
5 VCCM
7
N.C
9 GND
11 N.C
13 N.C
15 GND
17 Channel B CLK-
19 Channel B CLK+
21 GND
23 Channel A D0-
25 Channel A D0+
27 GND
29 Channel A D1-
31 Channel A D1+
33 GND
35 Channel A D2-
37 Channel A D2+
39 GND
1 VCCM
3 VCCM
5 VCCM
7
N.C
2 VCCM
4 VCCM
6 VCCM
8 N.C
9 GND 10 GND
11 Channel B D3- 12 Channel B D0-
13 Channel B D3+ 14 Channel B D0+
15 GND 16 GND
17 Channel B CLK- 18 Channel B D1-
19 Channel B CLK+ 20 Channel B D1+
21 GND 22 GND
23 Channel A D0- 24 Channel B D2-
25 Channel A D0+ 26 Channel B D2+
27 GND 28 GND
29 Channel A D1- 30 Channel A D3-
31 Channel A D1+ 32 Channel A D3+
33 GND 34 GND
35 Channel A D2- 36 Channel A CLK-
37 Channel A D2+ 38 Channel A CLK+
39 GND 40 GND
Pin Signal
2 VCCM
4 VCCM
6 VCCM
8 N.C
10 GND
12 Channel B D0-
14 Channel B D0+
16 GND
18 Channel B D1-
20 Channel B D1+
22 GND
24 Channel B D2-
26 Channel B D2+
28 GND
30 N.C
32 N.C
34 GND
36 Channel A CLK-
38 Channel A CLK+
40 GND
Board and Pin Assignments 17
CAPA312 3.5
” Board
2.4.13 COM1 and COM2 Wafer Connector (CN17 and CN18)
The CN17 (optional) and CN18 are 2x5-pin connectors for COM1 and COM2 interface, respectively. The pin assignments of RS-232/422/485 are listed in table below. If you need COM1 and COM2 to support RS-422 or RS-485 communication mode, please refer to BIOS setting in section 4.4.
Pin RS-232 RS-422 RS-485
1
2
3
4
5
DCD
DSR
RXD
RTS
TXD
6
7
8
CTS
DTR
RI
9 GND
10 No use
TX-
No use
TX+
No use
RX+
No use
RX-
No use
No use
No use
Data-
No use
Data+
No use
No use
No use
No use
No use
No use
No use
2.4.14 HDMI Connector (CN19)
The HDMI (High-Definition Multimedia Interface) is a compact digital interface which is capable of transmitting high-definition video and high-resolution audio over a single cable. Its interface is available through connector CN19.
Pin Signal Pin Signal
1
3
5
7
9
11
13
15
17
HDMI OUT_DATA2+ 2
HDMI OUT_DATA2- 4
GND
HDMI OUT_DATA1+
GND 6
HDMI OUT_DATA0+ 8
HDMI OUT_DATA1-
GND
HDMI OUT_DATA0- 10 HDMI OUT_Clock+
GND
N.C.
HDMI OUT_SCL
GND
19 HDMI_HTPLG
12 HDMI OUT_Clock-
14 N.C.
16 HDMI OUT_SDA
18 +5V
18 Board and Pin Assignments
CAPA312 3.5
” Board
2.4.15 USB 3.0 Ports (CN20 and CN21)
The Universal Serial Bus (compliant with USB 3.0 (5Gb/s)) connector on the rear I/O is for installing USB peripherals such as keyboard, mouse, scanner, etc.
USB 3.0 port 0 and 1 (CN20):
Pin Signal Pin Signal
1
2
3
4
5
6
7
8
9
USB_VCC (+5V )
USB #0_D-
USB #0_D+
GND
SSRX0-
SSRX0+
GND
SSTX0-
SSTX0+
10
11
12
13
14
15
16
17
18
USB_VCC (+5V )
USB #1_D-
USB #1_D+
GND
SSRX1-
SSRX1+
GND
SSTX1-
SSTX1+
USB 3.0 port 2 and 3 (CN21):
Pin Signal Pin Signal
1
2
3
4
5
6
7
8
9
USB_VCC (+5V )
USB #2_D-
USB #2_D+
GND
SSRX2-
SSRX2+
GND
SSTX2-
SSTX2+
10
11
12
13
14
15
16
17
18
USB_VCC (+5V )
USB #3_D-
USB #3_D+
GND
SSRX3-
SSRX3+
GND
SSTX3-
SSTX3+
4
5
6
7
1
2
3
8
9
2.4.16 COM1 D-Sub Connector (CN22)
This is a standard 9-pin D-Sub connector for COM1 interface. The pin assignments of
RS-232/422/485 are listed in table below. If you need COM1 to support RS-422 or
RS-485 communication mode, please refer to BIOS setting in section 4.4.
Pin RS-232 RS-422 RS-485
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
TX-
TX+
RX+
RX-
No use
No use
No use
No use
No use
Data-
Data+
No use
No use
No use
No use
No use
No use
No use
Board and Pin Assignments 19
CAPA312 3.5
” Board
2.4.17 VGA Connector (CN23) (Optional)
This is a standard 15-pin D-Sub connector. It is commonly used for VGA display. This
VGA interface configuration can be configured via software utility.
Pin Signal Pin Signal
1
3
5
7
RED
BLUE
GND
GND
9 CRT_VCC
11 N.C
13 Hsync
15 DDC_CLK
2
4
6
8
10
12
14
GREEN
N.C
GND
GND
GND
DDC_DATA
Vsync
2.4.18 ATX Power Connector (ATX1)
Steady and sufficient power can be supplied to all components on the board by connecting the power connector. Please make sure all components and devices are properly installed before connecting the power connector.
The ATX1 is a 4-pin power supply interface. External power supply plug fits into ATX1 in only one orientation. Properly press down power supply plug until it completely and firmly fits into this connector. Loose connection may cause system instability.
Pin
1
2
3
4
Signal
GND
GND
+12V
+12V
20 Board and Pin Assignments
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2.4.19 Ethernet Ports (LAN1 and LAN2)
The board has two RJ-45 connectors: LAN1 and LAN2. Ethernet connection can be established by plugging one end of the Ethernet cable into this RJ-45 connector and the other end (phone jack) to a 1000/100/10-Base-T hub.
Pin
1000
Base-T
100/10
Base-T
Description
L1 BI_DA+ TX+
L2 BI_DA- TX-
L3 BI_DB+ RX+
L4 BI_DC+ N.C.
L5 BI_DC- N.C.
L6 BI_DB- RX-
Bidirectional or Transmit Data+
Bidirectional or Transmit Data-
Bidirectional or Receive Data+
Bidirectional or Not Connected
Bidirectional or Not Connected
Bidirectional or Receive Data-
L7 BI_DD+ N.C.
L8 BI_DD- N.C.
A
B
Bidirectional or Not Connected
Bidirectional or Not Connected
Active Link LED (Yellow)
Off: No link
Blinking: Data activity detected
Speed LED
1000: Orange
100/10: Green/OFF
A B
L8 L7 L6 L5 L4 L3 L2 L1
A B
Board and Pin Assignments 21
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2.4.20 Full-size PCI-Express Mini Card Connector (SCN1)
This is a full-size PCI-Express Mini Card connector on the bottom side supporting
PCI-Express x1 or USB 2.0. It also complies with PCI-Express Mini Card Spec. V1.2.
Pin Signal Pin Signal
1
3
5
7
WAKE#
No use
No use
CLKREQ#
9 GND
11 REFCLK-
13 REFCLK+
15 GND
17 No use
19 No use
21 GND
23 PE_RXN3
25 PE_RXP3
27 GND
29 GND
31 PE_TXN3
33 PE_TXP3
35 GND
37 GND
39 +3.3VSB
41 +3.3VSB
43 GND
45 No use
47 No use
49 No use
51 No use
2
4
6
8
+3.3VSB
GND
+1.5V
SIM_PWR
10 SIM_DATA
12 SIM_CLK
14 SIM_REST
16 SIM_VPP
18 GND
20 W_DISABLE#
22 PERST#
24 +3.3VSB
26 GND
28 +1.5V
30 SMB_CLK
32 SMB_DATA
34 GND
36 USB_D6-
38 USB_D6+
40 GND
42 No use
44 No use
46 No use
48 +1.5V
50 GND
52 +3.3VSB
22 Board and Pin Assignments
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2.4.21 SIM Card Socket (SCN2)
This board has SCN2 socket on the bottom side for inserting SIM Card. In order to work properly, the SIM Card must be used together with 3G module which is inserted to SCN1 or SCN3. It is mainly used in 3G wireless network application.
Pin
1
2
3
4
5
6
7
8
Signal
PWR
RST
CLK
NC
GND
VPP
I/O
NC
2.4.22 Full-size PCI-Express Mini Card or mSATA Connector
(SCN3)
This is a full-size PCI-Express Mini Card connector on the bottom side complying with
PCI-Express Mini Card Spec. V1.2. It supports either PCI-Express, USB 2.0 or SATA
(mSATA). Since the default setting is PCI-Express, if mSATA is needed to insert, please refer to section 4.4 to change the setting.
Pin Signal Pin Signal
1 WAKE# 2 +3.3VSB
3 No use 4 GND
5
7
No use
CLKREQ#
9 GND
11 REFCLK-
13 REFCLK+
15 GND
17 No use
6
8
+1.5V
SIM_PWR
10 SIM_DATA
12 SIM_CLK
14 SIM_REST
16 SIM_VPP
18 GND
19 No use
21 GND
20
22
W_DISABLE#
PERST#
23 PE_RXN2/SATA_RXP 24 +3.3VSB
25 PE_RXP2/SATA_RXN 26 GND
27 GND 28 +1.5V
29 GND 30 SMB_CLK
31 PE_TXN2/SATA_TXN 32 SMB_DATA
33 PE_TXP2/SATA_TXP 34 GND
35 GND 36 USB_D5-
37 GND
39 +3.3VSB
41 +3.3VSB
38
40
42
USB_D5+
GND
No use
43 GND
45 No use
47 No use
49 No use
51 No use
44
46
48
50
52
No use
No use
+1.5V
GND
+3.3VSB
Board and Pin Assignments 23
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2.4.23 eDP Connector (SCN4) (Optional)
The eDP interface is available through 40-pin connector (SCN4), which is compliant with
IPEX-20143. Pin 1~4 LCD_VCC can be set to +3.3V, +5V or +12V with JP5 (see section
2.3.3).
Pin Signal Pin Signal
1
2
3
4
5
6
7
8
LCD_VCC
LCD_VCC
LCD_VCC
LCD_VCC
NC
LCD_GND
LCD_GND
LCD_GND
21 TXN0
22 TXP0
23 High Speed_GND
24 AUXP
25 AUXN
26 High Speed_GND
27 BKLT_GND
28 BKLT_GND
9 LCD_GND
10 HPD
29 BKLT_GND
30 BKLT_GND
11 High Speed_GND 31 NC
12 TXN3 32 BKLT_CTRL
13 TXP3 33 BKLT_EN
14 High Speed_GND 34 NC
15 TXN2 35 NC
16 TXP2 36 BKLT_VCC_12V
17 High Speed_GND 37 BKLT_VCC_12V
18 TXN1 38 BKLT_VCC_12V
19 TXP1 39 BKLT_VCC_12V
20 High Speed_GND 40 NC
1
40
24 Board and Pin Assignments
CAPA312 3.5
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Chapter 3
Hardware Description
3.1 Microprocessors
The CAPA312 supports Intel
®
Pentium
® your system to operate under Windows
®
N4200 and Celeron
®
N3350 processors which enable
10 environments. The system performance depends on the microprocessor. Make sure all correct settings are arranged for the installed microprocessor to prevent the CPU from damages.
3.2 BIOS
The CAPA312 uses AMI Plug and Play BIOS with a single 64Mbit SPI Flash.
3.3 System Memory
The CAPA312 supports one 204-pin DDR3L SO-DIMM socket for maximum memory capacity up to 8GB DDR3L SDRAMs. The memory module comes in sizes of 2GB, 4GB and 8GB.
Hardware Description 25
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3.4 I/O Port Address Map
26 Hardware Description
3.5 Interrupt Controller (IRQ) Map
The interrupt controller (IRQ) mapping list is shown as follows:
CAPA312 3.5
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Hardware Description 27
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28 Hardware Description
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30 Hardware Description
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32 Hardware Description
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Hardware Description 33
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3.6 Memory Map
The memory mapping list is shown as follows:
34 Hardware Description
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Chapter 4
AMI BIOS Setup Utility
The AMI UEFI BIOS provides users with a built-in setup program to modify basic system configuration. All configured parameters are stored in a flash chip to save the setup information whenever the power is turned off. This chapter provides users with detailed description about how to set up basic system configuration through the AMI BIOS setup utility.
4.1 Starting
To enter the setup screens, follow the steps below:
1. Turn on the computer and press the <Del> key immediately.
2. After you press the <Del> key, the main BIOS setup menu displays. You can access the other setup screens from the main BIOS setup menu, such as the Advanced and Chipset menus.
Note
If your computer cannot boot after making and saving system changes with BIOS setup, you can restore BIOS optimal defaults by setting JP3 (see section 2.3.1).
It is strongly recommended that you should avoid changing the chipset
’s defaults. Both AMI and your system manufacturer have carefully set up these defaults that provide the best performance and reliability.
4.2 Navigation Keys
The BIOS setup/utility uses a key-based navigation system called hot keys. Most of the BIOS setup utility hot keys can be used at any time during the setup navigation process. These keys include <F1>, <F2>, <Enter>, <ESC>, <Arrow> keys, and so on.
Some of the navigation keys differ from one screen to another.
Note
AMI BIOS Setup Utility 35
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Hot Keys Description
Left/Right
The Left and Right <Arrow> keys allow you to select a setup screen.
Up/Down
+
Plus/Minus
Tab
F1
F2
F3
The Up and Down <Arrow> keys allow you to select a setup screen or sub-screen.
The Plus and Minus <Arrow> keys allow you to change the field value of a particular setup item.
The <Tab> key allows you to select setup fields.
The <F1> key allows you to display the General Help screen.
The <F2> key allows you to Load Previous Values.
F4
Esc
Enter
The <F3> key allows you to Load Optimized Defaults.
The <F4> key allows you to save any changes you have made and exit
Setup. Press the <F4> key to save your changes.
The <Esc> key allows you to discard any changes you have made and exit the Setup. Press the <Esc> key to exit the setup without saving your changes.
The <Enter> key allows you to display or change the setup option listed for a particular setup item. The <Enter> key can also allow you to display the setup sub- screens.
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4.3 Main Menu
When you first enter the setup utility, you will enter the Main setup screen. You can always return to the Main setup screen by selecting the Main tab. System Time/Date can be set up as described below. The Main BIOS setup screen is shown below.
BIOS and EC Information
Display BIOS and EC firmware information.
System Date/Time
Use this option to change the system time and date. Highlight System Time or System
Date using the <Arrow> keys. Enter new values through the keyboard. Press the <Tab> key or the <Arrow> keys to move between fields. The date must be entered in MM/DD/YY format. The time is entered in HH:MM:SS format.
Access Level
Display the access level of current user.
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4.4 Advanced Menu
The Advanced menu also allows users to set configuration of the CPU and other system devices. You can select any of the items in the left frame of the screen to go to the sub menus:
►
Hardware Monitor
►
ACPI Settings
►
Trusted Computing
►
Super IO Configuration
►
CPU Configuration
►
SATA Configuration
►
USB Configuration
►
Utility Configuration
►
Device Configuration
For items marked with
“”, please press <Enter> for more options.
38 AMI BIOS Setup Utility
Hardware Monitor
This screen monitors hardware health status.
CAPA312 3.5
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This screen displays the temperature of system and CPU, fan speed in RPM and system voltages (VBAT, +3.3V, +3.3VSB and +5VSB).
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ACPI Settings
ACPI Sleep State
Select the ACPI (Advanced Configuration and Power Interface) sleep state. Configuration options are Suspend Disabled and S3 (Suspend to RAM). The S3 (Suspend to RAM) option selects ACPI sleep state the system will enter when suspend button is pressed.
40 AMI BIOS Setup Utility
Trusted Computing
This screen provides function for specifying the TPM settings.
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Security Device Support
Enable or disable BIOS support for security device. The default setting is Enable.
TPM Device
Enable or disable TPM device.
Pending Operation
Schedule a TPM operation which will take effect at the next bootup process.
Current Status Information
Display current TPM status information.
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Serial Port Configuration
You can use this screen to select options for Serial Port Configuration, and change the value of the selected option. A description of the selected item appears on the right side of the screen. For items marked with
“”, please press <Enter> for more options.
Serial Port 1~4 Configuration
Use these items to set parameters related to serial port 1~4.
42 AMI BIOS Setup Utility
Serial Port 1 Configuration
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Serial Port
Enable or disable serial port 1. The optimal setting for base I/O address is 3F8h and for interrupt request address is IRQ4.
COM Mode
Use this item to set RS-232/422/485 communication mode.
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Serial Port 2 Configuration
Serial Port
Enable or disable serial port 2. The optimal setting for base I/O address is 2F8h and for interrupt request address is IRQ3.
COM Mode
Use this item to set RS-232/422/485 communication mode.
44 AMI BIOS Setup Utility
Serial Port 3 Configuration
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Serial Port
Enable or disable serial port 3. The optimal setting for base I/O address is 3E8h and for interrupt request address is IRQ11.
Serial Port 4 Configuration
Serial Port
Enable or disable serial port 4. The optimal setting for base I/O address is 2E8h and for interrupt request address is IRQ10.
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CPU Configuration
This screen shows the CPU Configuration.
Intel Virtualization Technology
Enable or disable Intel Virtualization Technology. When enabled, a VMM (Virtual Machine
Mode) can utilize the additional hardware capabilities. It allows a platform to run multiple operating systems and applications independently, hence enabling a computer system to work as several virtual systems.
46 AMI BIOS Setup Utility
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SATA Configuration
In the SATA Configuration menu, you can see the currently installed hardware in the SATA ports. During system boot up, the BIOS automatically detects the presence of SATA devices.
Chipset SATA
Enable or disable Chipset SATA Controller. The default is Enable.
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PCIE Mini Card Function
Select PCI-Express Mini Card or mSATA support for SCN3. The default is PCIE. If mSATA is needed to insert to SCN3 (see section 2.4.22), please change setting to mSATA.
SATA Mode Selection
The SATA mode is AHCI.
48 AMI BIOS Setup Utility
USB Configuration
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USB Devices
Display all detected USB devices.
Mass Storage Devices
Mass storage device emulation type. Auto option enumerates devices according to their media format. Optical drives are emulated as CDROM, drives with no media will be emulated according to a drive type.
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Utility Configuration
BIOS Flash Utility
BIOS flash utility configuration. For more detailed information, please refer to Appendix C.
50 AMI BIOS Setup Utility
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Device Configuration
A description of selected item appears on the right side of the screen. For items marked with
“”, please press <Enter> for more options.
Onboard Device Configuration
Use this option to configure onboard device (e.g., DIO setting).
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Onboard DIO Configuration
You can use this screen to select options for the 8-bit Digital I/O Configuration. A description of the selected item appears on the right side of the screen. For items marked with
“”, please press <Enter> for more options.
52 AMI BIOS Setup Utility
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Onboard DIO Configuration
Use this screen to set parameters related to digital I/O configuration.
DIO Modification
Enable or disable digital I/O modification. If modification is disabled, the DIO status sub screen is as follows:
AMI BIOS Setup Utility 53
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Once it is enabled, you can load manufacture default and access to the DIO status sub screen to set output or input, see image below.
54 AMI BIOS Setup Utility
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4.5 Chipset Menu
The Chipset menu allows users to change the advanced chipset settings. You can select any of the items in the left frame of the screen to go to the sub menus:
►
North Bridge
►
South Bridge
For items marked with
“”, please press <Enter> for more options.
AMI BIOS Setup Utility 55
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North Bridge
This screen allows users to configure parameters of North Bridge chipset.
LCD Control
This item allows you to select LCD panel control options. Please press <Enter> to go to the sub menus.
Memory Information
Display system memory information.
56 AMI BIOS Setup Utility
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Primary IGFX Boot Display
Select the video device which will be activated during POST (Power-On Self Test). The secondary boot display item appears based on your Primary IGFX Boot Display selection, see images below.
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Secondary IGFX Boot Display
Select secondary display device.
58
GMCH BLC Control
Use this item for backlight control setting.
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LVDS Panel Type
Select LVDS panel resolution for the display device by selecting the appropriate setup item.
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South Bridge
This screen shows the information of South Bridge chipset.
60 AMI BIOS Setup Utility
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4.6 Security Menu
The Security menu allows users to change the security settings for the system.
Setup Administrator Password.
Set setup administrator password.
User Password
Set user password.
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4.7 Boot Menu
The Boot menu allows users to change boot options of the system.
Setup Prompt Timeout
Number of seconds to wait for setup activation key. 65535(0xFFFF) means indefinite waiting.
Bootup NumLock State
Use this item to select the power-on state for the keyboard NumLock.
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Quiet Boot
Select to display either POST output messages or a splash screen during boot-up.
Launch PXE OpROM policy
Use this item to enable or disable the boot ROM function of the onboard LAN chip when the system boots up.
Boot Option Priorities
These are settings for boot priority. Specify the boot device priority sequence from the available devices.
USB Device BBS Priorities
These are settings for configuring the order for a specific device group. These options are only visible if at least one device for this group is present.
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4.8 Save & Exit Menu
The Save & Exit menu allows users to load your system configuration with optimal or fail-safe default values.
Discard Changes and Exit
Select this option to quit Setup without making any permanent changes to the system configuration and return to Main Menu. Select Discard Changes and Exit from the Save &
Exit menu and press <Enter>. Select Yes to discard changes and exit.
Save Changes and Exit
When you have completed the system configuration changes, select this option to leave
Setup and return to Main Menu. Select Save Changes and Exit from the Save & Exit menu and press <Enter>. Select Yes to save changes and exit.
Save Changes and Reset
When you have completed the system configuration changes, select this option to leave
Setup and reboot the computer so the new system configuration parameters can take effect. Select Save Changes and Reset from the Save & Exit menu and press <Enter>.
Select Yes to save changes and reset.
Discard Changes and Reset
Select this option to quit Setup without making any permanent changes to the system configuration and reboot the computer. Select Discard Changes and Reset from the Save
& Exit menu and press <Enter>. Select Yes to discard changes and reset.
Save Changes
When you have completed the system configuration changes, select this option to save changes. Select Save Changes from the Save & Exit menu and press <Enter>. Select Yes to save changes.
64 AMI BIOS Setup Utility
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Discard Changes
Select this option to quit Setup without making any permanent changes to the system configuration. Select Discard Changes from the Save & Exit menu and press <Enter>.
Select Yes to discard changes.
Restore Defaults
It automatically sets all Setup options to a complete set of default settings when you select this option. Select Restore Defaults from the Save & Exit menu and press <Enter>.
Save as User Defaults
Select this option to save system configuration changes done so far as User Defaults.
Select Save as User Defaults from the Save & Exit menu and press <Enter>.
Restore User Defaults
It automatically sets all Setup options to a complete set of User Defaults when you select this option. Select Restore User Defaults from the Save & Exit menu and press <Enter>.
Boot Override
Select a drive to immediately boot that device regardless of the current boot order.
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66 AMI BIOS Setup Utility
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Appendix A
Watchdog Timer
A.1 About Watchdog Timer
After the system stops working for a while, it can be auto-reset by the watchdog timer. The integrated watchdog timer can be set up in the system reset mode by program.
A.2 How to Use Watchdog Timer
Assembly sample code : mov dx,fa10 ; 5 seconds (Maximum is 65535 seconds; fill in
; 0xFA10 and 0xFA11 register, ex: 0xFA11=0x01,
; 0xFA10=0x68 means 360 seconds) mov out mov mov out al,05 dx,al dx,fa12 al,01 dx,al
; Enable WDT
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68 Watchdog Timer
CAPA312 3.5
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Appendix B
Digital I/O
B.1 About Digital I/O
The onboard GPIO or digital I/O has 8 bits (DIO1~8). Each bit can be set to function as input or output by software programming. In default, all pins are pulled high with +5V level (according to main power). The BIOS default settings are 4 inputs and 4 outputs.
CN6
Pin Signal Pin Signal
1
3
5
7
9
DI1
DI2
DI3
DI4
+5V
2
4
6
8
10
DO8
DO7
DO6
DO5
GND
B.2 Digital I/O Programming
Assembly sample code : mov mov out mov dx,fa18 al,00 dx,al dx,fa19 al,f0 dx,al in mov mov out mov mov mov out mov mov out mov out in dx,fa18 al,ff dx,al dx,fa19 al,dx dx,fa18 al,1f dx,al dx,fa19 al,40 dx,al al,dx
; Set DIO 0-7 to Output
; Set DIO 4-7 to High
; Set DIO 0-7 to Input
; Get DIO 0-7 status
; Set DIO 0-4 to Input, 5-7 to Output
; al = 1F => 00011111
; Set DIO 6 to High
; al = 40 => 01000000
; Get DIO 0-7 status
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Appendix C
BIOS Flash Utility
The BIOS Flash utility is a new helpful function in BIOS setup program. With this function you can easily update system BIOS without having to enter operating system. In this appendix you may learn how to do it in just a few steps. Please read and follow the instructions below carefully.
1. In your USB flash drive, create a new folder and name it
“Axiomtek”, see figure below.
2. Copy BIOS ROM file (e.g. CAPA312.005) to
“Axiomtek” folder.
CAPA312.005
3. Insert the USB flash drive to your system.
4. Enter BIOS setup menu and go to Advanced\Utility Configuration. Select BIOS Flash
Utility and press <Enter>.
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5. BIOS automatically detect all USB drive(s) attached to the system. In this example only one USB drive is attached to the system. That
’s why, you can see only one device is displayed in figure below.
6. Select the USB drive containing BIOS ROM file you want to update using the <> or
<> key. Then press <Enter> to get into
“Axiomtek” folder.
7. Now you can see the BIOS ROM file on the screen, press <Enter> to select.
CAPA312.005
8. Select Start to flash system BIOS option to begin updating procedure.
72 BIOS Flash Utility
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9. Please wait while BIOS completes the entire flash update process: erase data, write new data and verify data.
10. When you see the following figure, press <Enter> to finish the update process. After that the system will shut down and restart immediately.
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