Asus AP2400R User guide

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Asus AP2400R User guide | Manualzz

4.2

Switches and jumpers

4.2.1 Switches

The following figure shows the location and default settings of the DIP switches on the motherboard.

Keep the default settings for stable system operation.

4-4

ON

OFF

CLKSW

ON

1 2 3 4 5

1.Frequency Selection

2.Frequency Selection

3.Frequency Selection

4.Frequency Selection

5.Reserved (On)

PR-DLS533

PR-DLS533 DIP Switches

CPU external frequency selection (CLKSW Switches 1-5)

This option tells the clock generator what frequency to send the CPU.

This allows the selection of the CPU’s external frequency (or Bus

Clock). The BUS Clock multiplied by the Frequency Multiple equals the

CPU’s internal frequency (the advertised CPU speed).

PR-DLS533

PR-DLS533 CPU

External Frequency Selection

CLKSW

ON

1 2 3 4 5

100MHz

ON

1 2 3 4 5

105MHz

ON

1 2 3 4 5

101MHz

ON

1 2 3 4 5

110MHz

ON

1 2 3 4 5

103MHz

ON

1 2 3 4 5

133MHz

(Default)

Chapter 4: Motherboard information

4.2.2 Jumpers

1. CPU clock setting (3-pin CLKSEL)

This jumper allows you to select the CPU frequency. Set to Auto (pins

1-2) to allow automatic frequency selection depending on the type of the installed CPU. Set to pins 2-3 if you installed a 100MHz CPU.

Remove the jumper cap to manually select the CPU frequency using the DIP switches.

CLKSEL

2 1

Auto

(Default)

3 2 3 2 1

Foster Select by CLKSW

PR-DLS533

PR-DLS533 CLK Setting

2. Gigabit LAN2 controller setting (3-pin LAN_SW)

This jumper allows you to enable or disable the 32-bit Intel ® 82540EM

Gigabit LAN controller. Setting this jumper to pins 2-3 disables the

Gigabit LAN port (RJ-45) on the rear panel that corresponds to this controller.

PR-DLS533

PR-DLS533 LAN_SW Setting

LAN_SW

Enable

(Default)

Disable

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3. Gigabit LAN1 controller setting (3-pin 1GLAN_EN)

This jumper allows you to enable or disable the 64-bit Intel ® 82544GC

Gigabit LAN controller. Setting this jumper to pins 2-3 disables the

Gigabit LAN port (RJ-45) on the rear panel that corresponds to this controller.

1G LAN_EN

Enable

(Default)

Disable

PR-DLS533

PR-DLS533 1G LAN Setting

4. SCSI setting (2-pin SCSI_EN)

This jumper allows you to enable or disable the onboard SCSI feature.

Keep the jumper open if you wish to install SCSI devices. Place a cap on the jumper to disable the onboard SCSI controller.

PR-DLS533

PR-DLS533 SCSI Setting

SCSI_EN

Enable

(Default)

Disable

Chapter 4: Motherboard information

5. Clear RTC RAM (R452)

This jumper allows you to clear the Real Time Clock (RTC) RAM in

CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The RAM data in CMOS, that include system setup information such as system passwords, is powered by the onboard button cell battery.

To erase the RTC RAM:

1. Turn OFF the computer and unplug the power cord.

2. Remove the onboard battery.

3. Short the solder pads for about 5 seconds.

4. Re-install the onboard battery.

5. Plug the power cord and turn ON the computer.

6. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data.

CR2032 3V

Lithium Cell

CMOS Power

Short solder points to Clear CMOS

R452

PR-DLS533

PR-DLS533 Clear RTC RAM

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4.3

Connectors

This section describes the internal connectors on the motherboard.

Refer to section “1.4 Rear panel features” for information on the external (rear panel) connectors.

1. Floppy disk drive connector (34-1 pin FLOPPY1)

This connector supports the provided floppy drive ribbon cable. After connecting one end to the motherboard, connect the other end to the floppy drive. (Pin 5 is removed to prevent incorrect insertion when using ribbon cables with pin 5 plug).

FLOPPY

PIN 1

NOTE: Orient the red markings on the floppy ribbon cable to PIN 1.

PR-DLS533

PR-DLS533 Floppy Disk Drive Connector

2. Serial port 2 connector (10-1 pin COM2)

This connector accommodates a second serial port using an optional serial port bracket. Connect the bracket cable to this connector then install the bracket into a slot opening at the back of the system chassis.

4-8

PR-DLS533

PR-DLS533 Serial COM2 Connector

PIN 1

Chapter 4: Motherboard information

3. IDE connectors (40-1 pin PRI_IDE [blue], SEC_IDE [black])

This connector supports the provided UltraDMA/100/66 IDE hard disk ribbon cable. Connect the cable’s blue connector to the primary

(recommended) or secondary IDE connector, then connect the gray connector to the UltraDMA/100/66 slave device (hard disk drive) and the black connector to the UltraDMA/100/66 master device. It is recommended that you connect non-UltraDMA/100/66 devices to the secondary IDE connector. If you install two hard disks, you must configure the second drive as a slave device by setting its jumper accordingly. Refer to the hard disk documentation for the jumper settings. BIOS supports specific device bootup. You may configure two hard disks to be both master devices with two ribbon cables – one for the primary IDE connector and another for the secondary IDE connector.

1. Pin 20 on each IDE connector is removed to match the covered hole on the UltraDMA cable connector. This prevents incorrect orientation when you connect the cables.

2. The hole near the blue connector on the UltraDMA/100/66 cable is intentional.

3. For UltraDMA/100/66 IDE devices, use the 80-conductor IDE cable.

PR-DLS533

PR-DLS533 IDE Connectors

PIN 1

Primary IDE Connector

PIN 1

Secondary IDE Connector

NOTE: Orient the red markings

(usually zigzag) on the IDE ribbon cable to PIN 1.

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4. Chassis intrusion connector (4-1 pin CHASSIS)

This lead is for a chassis designed with intrusion detection feature.

This requires an external detection mechanism such as a chassis intrusion sensor or microswitch. When you remove any chassis component, the sensor triggers and sends a high-level signal to this lead to record a chassis intrusion event.

By default, the pins labeled “Chassis Signal” and “Ground” are connected to the front panel microswitch. If you wish to disable the chassis intrusion detection feature, unplug the cable from the microswitch and place a jumper cap to these pins.

CHASSIS

PR-DLS533

PR-DLS533 Chassis Intrusion Connector

5. SMBus connector (6-1 pin SMB)

This connector allows you to connect SMBus (System Management

Bus) devices. Devices communicate with an SMBus host and/or other

SMBus devices using the SMBus interface. SMBus is a specific implementation of an I 2 C bus, a multi-device bus that allows multiple chips to connect to the same bus and enable each one to act as a master by initiating data transfer.

SMB

4-10

1

PR-DLS533

PR-DLS533 SMBus Connectors

Chapter 4: Motherboard information

6. ATX power connectors (24/20-pin ATXPWR, 8-pin CON12V)

These connectors connect to an ATX 12V power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.

In addition to the 24/20-pin power connector, this motherboard requires that you connect the 8-pin +12V power plug to provide sufficient power to the CPU.

Make sure that your ATX 12V power supply can provide 8A on the

+12V lead and at least 2A on the +5-volt standby lead (+5VSB). The minimum recommended wattage is 230W, or 300W for a fully configured system. The system may become unstable and may experience difficulty powering up if the power supply is inadequate.

24-pin Power Connector

ATXPWR

CON12V

PR-DLS533

PR-DLS533 ATX Power Connectors

4-pin

For Power Supply with 20-pin

Power Connector

8-pin

1

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7. CPU, Chassis, and Power Fan Connectors

(3-pin CPUFAN1, CPUFAN2, SYSFAN1, SYSFAN2, SYSFAN3)

The fan connectors support cooling fans of 350mA~740mA (8.88W

max.) or a total of 1A~2.22A (26.64W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector.

Do not forget to connect the fan cables to the fan connectors. Lack of sufficient air flow within the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors!

SYSFAN3

Rotation

+12V

GND

CPUFAN1 SYSFAN2

PR-DLS533

PR-DLS533 12-Volt Cooling Fan Power

CPUFAN2 SYSFAN1

GND

+12V

Rotation

8. USB header (10-1 pin USB2)

If the USB ports on the rear panel are inadequate, a USB header is available for additional USB ports. The USB header complies with USB

1.1 specification that supports up to 12 Mbps connection speed.

USB Power

USBP3–

USBP3+

GND

6

10

USB2

1

5

USB Power

USBP2–

USBP2+

GND

NC

PR-DLS533

PR-DLS533 USB Header

4-12 Chapter 4: Motherboard information

9. IPMI connector (4-pin IPMI)

The Intelligent Platform Management Interface (IPMI) connector is for the ASMC card. Connect the 4-pin ASMC interface cable to this connector.

PR-DLS533

PR-DLS533 IPMI Connector

IPMI

10. Wake-On-LAN Connector (3-pin WOL_CON)

This connector supports a LAN card with a Wake-On-LAN output. The connector powers up the system when a wakeup packet or signal is received through the LAN card.

IMPORTANT: Requires an ATX power supply with at least 720mA +5 volt standby power

WOL_CON

Ground

PME +5 Volt Standby

PR-DLS533

PR-DLS533 Wake-On-LAN Connector

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11. Two 68-pin Ultra320 SCSI Connectors (SCSI-A, SCSI-B)

This motherboard has two 68-Pin Ultra320 SCSI connectors; one for each of the two channels. Each channel can support a maximum of 15 devices as specified by Ultra320 standards.

SCSI-A

68-Pin Ultra160/

Ultra2-Wide SCSI Connector

1 35

SCSI-B

68-Pin Ultra160/

Ultra2-Wide SCSI Connector

PR-DLS533

34

68

PR-DLS533 Onboard SCSI Connectors

1

35

34 68

SCSI Connection Notes

This motherboard has two 68-Pin Ultra320 SCSI connectors; one for each of the two channels.

The onboard SCSI chipset incorporates an advanced multimode I/O cell that supports both single-ended (SE), Ultra2, Ultra160, and Ultra320 devices. With Ultra320 devices, the SCSI bus platform performs at full

Ultra320 speeds (up to 320MB/s) and extended cabling 12m (or 25m in a point-to-point configuration). When an SE device is attached, the bus defaults to an SE speed and 1.5m cable length.

Connect SCSI devices as shown. Each channel should have only one type of SCSI standard (e.g. Ultra320, Ultra160, Ultra2, Ultra-Wide).

Mixing SCSI devices on the same channel decreases performance of the slower device.

68-pin Internal SCSI Cable (Twisted-Pair Ribbon)

Channel B

68-pin Female

Terminator

Internal SCSI Devices (up to 15 devices)

68-pin Internal SCSI Cable (Twisted-Pair Ribbon)

Channel A

4-14

68-pin Female

Terminator

PR-DLS533

PR-DLS533 SCSI Connection Example

Internal SCSI Devices (up to 15 devices)

Chapter 4: Motherboard information

12. Wake-On-Ring Connector (2-pin WOR)

This connector connects to internal modem cards with a Wake-On-

Ring output. The connector powers up the system when a ringup packet or signal is received through the internal modem card.

For external modems, Wake-On-Ring is detected through the COM port.

WOR

1 2

PR-DLS533

PR-DLS533 Wake-On-Ring Connector

Ground Ring#

13. Hard disk activity LED (2-pin IDELED)

This connector supplies power to the hard disk activity LED. The read or write activities of any device connected to the primary or secondary

IDE connector cause this LED to light up.

PR-DLS533

PR-DLS533 IDE Activity LED

IDELED

- +

TIP: If the case-mounted LED does not light, try reversing the 2-pin plug.

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14. System panel connector (20-1 pin PANEL1)

This connector accommodates several system front panel functions.

PR-DLS533

PR-DLS533 System Panel Connectors

Keyboard Lock

Power LED

Speaker

Connector

11

1

20

10

Message LED

Reset SW

ATX Power

Switch*

• System power LED (2-pin PLED)

These leads connect to the system power LED on the front panel using a cable. The LED lights up when you turn on the system power.

• Message LED (2-pin MLED)

These leads connect to the message LED on the front panel. The LED indicates receipt of messages from a fax/modem. The normal status of this LED is OFF when there is no incoming data signal. The LED blinks when data is received. The system message LED feature requires an

ACPI operating system and driver.

• System speaker LED (4-pin SPEAKER)

These leads connect to the chassis-mounted speaker.

• ATX power button/ Soft-off switch (2-pin PWRBTN)

These leads connect a switch that controls the system power.

Pressing the power switch turns the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings.

Pressing the power switch while in the ON mode for more than 4 seconds turns the system OFF.

• Reset switch (2-pin RESET)

These leads connect to the reset switch on the front panel using a cable for rebooting the system without turning off the system power.

• Keyloack (2-pin KEYLOCK)

These leads connect to the chassis-mounted switch to allow use of the keyboard lock feature.

4-16 Chapter 4: Motherboard information

Chapter 5

This chapter lists the hardware setup procedures that you have to perform when installing or removing system components.

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5.1

Managing and updating your BIOS

5.1.1 Creating a bootable disk

AFLASH.EXE is a Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to the programmable flash ROM on the motherboard. This file works only in DOS mode. To determine the BIOS version of your motherboard, check the last four numbers of the code displayed on the upper left-hand corner of your screen during bootup.

Larger numbers represent a newer BIOS file.

1. Type FORMAT A:/S at the DOS prompt to create a bootable system disk. DO NOT copy AUTOEXEC.BAT and CONFIG.SYS to the disk.

2. Type COPY D:\AFLASH\AFLASH.EXE A:\ (assuming D is your

CD-ROM drive) to copy AFLASH.EXE to the boot disk you created.

AFLASH works only in DOS mode. It does not work in the DOS prompt within Windows, and does not work with certain memory drivers that may be loaded when you boot from the hard drive. It is recommended that you reboot using a floppy disk.

3. Reboot the computer from the floppy disk.

BIOS setup must specify “Floppy” as the first item in the boot sequence.

4. In DOS mode, type A:\AFLASH <Enter> to run AFLASH.

5-2

If the word “unknown” appears after Flash Memory:, the memory chip is either not programmable or is not supported by the ACPI BIOS and therefore, cannot be programmed by the Flash Memory Writer utility.

Chapter 5: BIOS setup

5. Select 1. Save Current BIOS to File from the Main menu and press

<Enter>. The Save Current BIOS To File screen appears.

6. Type a filename and the path, for example, A:\XXX-XX.XXX, then press <Enter>.

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5.1.2 Updating the BIOS

Update the BIOS only if you have problems with the motherboard and you are sure that the new BIOS revision will solve your problems.

Careless updating may result to more problems with the motherboard!

1. Download the latest ASUS BIOS file from the ASUS website, and save to the boot floppy disk you created earlier.

2. Boot from the floppy disk.

3. At the “A:\” prompt, type AFLASH and then press <Enter>.

4. In the Main Menu, type 2 then press <Enter>. The Update BIOS

Including Boot Block and ESCD screen appears.

5. Type the filename of your new BIOS and the path, for example,

A:\XXX-XX.XXX, then press <Enter>.

To cancel this operation, press <Enter>.

6. When prompted to confirm the BIOS update, press Y to start the update.

Chapter 5: BIOS setup

7. The utility starts to program the new BIOS information into the Flash

ROM. The boot block is updated automatically only when necessary.

This minimizes the possibility of boot problems in case of update failures. When the programming is done, the message “Flashed

Successfully” appears.

8. Follow the onscreen instructions to continue.

If you encounter problems while updating the new BIOS, DO NOT turn off the system because this may cause boot problems. Just repeat the process, and if the problem persists, load the original BIOS file you saved to the boot disk. If the Flash Memory Writer utility is not able to successfully update a complete BIOS file, the system may not boot. If this happens, call the ASUS service center for support.

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5.2

BIOS Setup program

This motherboard supports a programmable Flash ROM that you can update using the provided utility described in section “5.1 Managing and updating your BIOS.”

Use the BIOS Setup program when you are installing a motherboard, reconfiguring your system, or prompted to “Run Setup”. This section explains how to configure your system using this utility.

Even if you are not prompted to use the Setup program, you may want to change the configuration of your computer in the future. For example, you may want to enable the security password feature or make changes to the power management settings. This requires you to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the Flash ROM.

The Flash ROM on the motherboard stores the Setup utility. When you start up the computer, the system provides you with the opportunity to run this program. Press <Delete> during the Power-On Self Test (POST) to enter the Setup utility, otherwise, POST continues with its test routines.

If you wish to enter Setup after POST, restart the system by pressing

<Ctrl> + <Alt> + <Delete>, or by pressing the reset button on the system chassis. You can also restart by turning the system off and then back on.

Do this last option only if the first two failed.

The Setup program is designed to make it as easy to use as possible. It is a menu-driven program, which means you can scroll through the various sub-menus and make your selections among the predetermined choices.

Because the BIOS software is constantly being updated, the following

BIOS setup screens and descriptions are for reference purposes only, and may not exactly match what you see on your screen.

Chapter 5: BIOS setup

5.2.1 BIOS menu bar

The top of the screen has a menu bar with the following selections:

MAIN Use this menu to make changes to the basic system configuration.

ADVANCED Use this menu to enable and make changes to the advanced features.

POWER

BOOT

Use this menu to configure power management features.

Use this menu to configure the default system device used to locate and load the Operating System.

SERVER Use this menu to set server-related items

EXIT Use this menu to exit the current menu or to exit the Setup program.

To access the menu bar items, press the right or left arrow key on the keyboard until the desired item is highlighted.

5.2.2 Legend bar

At the bottom of the Setup screen is a legend bar. The keys in the legend bar allow you to navigate through the various setup menus. The following table lists the keys found in the legend bar with their corresponding functions.

Navigation Key(s) Function Description

<F1> or <Alt + H>

<Esc>

Left or Right arrow

Up or Down arrow

- (minus key)

Displays the General Help screen from anywhere in the BIOS Setup

Jumps to the Exit menu or returns to the main menu from a sub-menu

Selects the menu item to the left or right

Moves the highlight up or down between fields

Scrolls backward through the values for the highlighted field

+ (plus key) or spacebar Scrolls forward through the values for the highlighted field

<Enter> Brings up a selection menu for the highlighted field

<Home> or <PgUp>

<End> or <PgDn>

Moves the cursor to the first field

Moves the cursor to the last field

<F5>

<F10>

Resets the current screen to its Setup Defaults

Saves changes and exits Setup

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5-8

General help

In addition to the Item Specific Help window, the BIOS setup program also provides a General Help screen. You may launch this screen from any menu by simply pressing <F1> or the <Alt> + <H> combination. The

General Help screen lists the legend keys and their corresponding functions.

Saving changes and exiting the Setup program

See “5.8 Exit Menu” for detailed information on saving changes and exiting the setup program.

Scroll bar

When a scroll bar appears to the right of a help window, it indicates that there is more information to be displayed that will not fit in the window. Use

<PgUp> and <PgDn> or the up and down arrow keys to scroll through the entire help document. Press <Home> to display the first page, press

<End> to go to the last page. To exit the help window, press <Enter> or

<Esc>.

Sub-menu

Note that a right pointer symbol (as shown on the left) appears to the left of certain fields. This pointer indicates that you can display a sub-menu from this field. A sub-menu contains additional options for a field parameter. To display a sub-menu, move the highlight to the field and press <Enter>. The submenu appears. Use the legend keys to enter values and move from field to field within a sub-menu as you would within a menu. Use the <Esc> key to return to the main menu.

Take some time to familiarize yourself with the legend keys and their corresponding functions. Practice navigating through the various menus and sub-menus. If you accidentally make unwanted changes to any of the fields, use the set default hot key <F5> to load the Setup default values.

While moving around through the Setup program, note that explanations appear in the Item Specific Help window located to the right of each menu.

This window displays the help text for the currently highlighted field.

Chapter 5: BIOS setup

5.3

Main Menu

When you enter the Setup program, the following screen appears.

System Time [XX:XX:XX]

Sets the system to the time that you specify (usually the current time). The format is hour, minute, second. Valid values for hour, minute and second are Hour: (00 to 23), Minute: (00 to 59), Second: (00 to 59). Use the <Tab> or <Shift> + <Tab> keys to move between the hour, minute, and second fields.

System Date [XX/XX/XXXX]

Sets the system to the date that you specify (usually the current date). The format is month, day, year. Valid values for month, day, and year are

Month: (1 to 12), Day: (1 to 31), Year: (up to 2099). Use the <Tab> or

<Shift> + <Tab> keys to move between the month, day, and year fields.

Legacy Diskette A [1.44M, 3.5 in.]

Sets the type of floppy drive installed. Configuration options: [None] [360K,

5.25 in.] [1.2M , 5.25 in.] [720K , 3.5 in.] [1.44M, 3.5 in.] [2.88M, 3.5 in.]

Floppy 3 Mode Support [Disabled]

This is required to support older Japanese floppy drives. The Floppy 3

Mode feature allows reading and writing of 1.2MB (as opposed to 1.44MB) on a 3.5-inch diskette. Configuration options: [Disabled] [Enabled]

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Supervisor Password [Disabled] / User Password [Disabled]

These fields allow you to set passwords. To set a password, highlight the appropriate field and press <Enter>. Type in a password then press

<Enter>. You can type up to eight alphanumeric characters. Symbols and other characters are ignored. To confirm the password, type the password again and press <Enter>. The password is now set to [Enabled]. This password allows full access to the BIOS Setup menus. To clear the password, highlight this field and press <Enter>. The same dialog box as above appears. Press <Enter>. The password is set to [Disabled].

A note about passwords

The BIOS Setup program allows you to specify passwords in the Main menu. The passwords control access to the BIOS during system startup. Passwords are not case sensitive, meaning, passwords typed in either uppercase or lowercase letters are accepted. The BIOS Setup program allows you to specify two different passwords: a Supervisor password and a User password. If you did not set a Supervisor password, anyone can access the BIOS Setup program. If you did, the

Supervisor password is required to enter the BIOS Setup program and to gain full access to the configuration fields.

Forgot the password?

If you forget your password, you can clear it by erasing the CMOS

Real Time Clock (RTC) RAM. The RAM data containing the password information is powered by the onboard button cell battery. See section

“2.7 Switches and jumpers” for information on how to erase the RTC

RAM.

Halt On [All Errors]

This field specifies the types of errors that will cause the system to halt.

Configuration options: [All Errors] [No Error] [All but Keyboard] [All but

Disk] [All but Disk/Keyboard]

Installed Memory [XXX MB]

This field automatically displays the amount of conventional memory detected by the system during the boot process.

Chapter 5: BIOS setup

5.3.1 Primary and Secondary Master/Slave

Type [Auto]

Select [Auto] to automatically detect an IDE hard disk drive. If automatic detection is successful, Setup automatically fills in the correct values for the remaining fields on this sub-menu. If automatic detection fails, this may be because the hard disk drive is too old or too new. If the hard disk was already formatted on an older system, Setup may detect incorrect parameters. In these cases, select [User Type HDD] to manually enter the

IDE hard disk drive parameters. Refer to the next section for details.

Before attempting to configure a hard disk drive, make sure you have the correct configuration information supplied by the drive manufacturer. Incorrect settings may cause the system to fail to recognize the installed hard disk.

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[User Type HDD]

Manually enter the number of cylinders, heads and sectors per track for the drive. Refer to the drive documentation or on the drive label for this information.

After entering the IDE hard disk drive information into BIOS, use a disk utility, such as FDISK, to partition and format new IDE hard disk drives.

This is necessary so that you can write or read data from the hard disk.

Make sure to set the partition of the Primary IDE hard disk drives to active.

If no drive is installed or if you are removing a drive and not replacing it, select [None].

Other options for the Type field are:

[CD-ROM] - for IDE CD-ROM drives

[LS-120] - for LS-120 compatible floppy disk drives

[ZIP] - for ZIP-compatible disk drives

[MO] - for IDE magneto optical disk drives

[Other ATAPI Device] - for IDE devices not listed here

After making your selections on this sub-menu, press the <Esc> key to return to the Main menu. When the Main menu appears, the hard disk drive field displays the size for the hard disk drive that you configured.

5-12 Chapter 5: BIOS setup

Translation Method [LBA]

Select the hard disk drive type in this field. When Logical Block Addressing

(LBA) is enabled, the 28-bit addressing of the hard drive is used without regard for cylinders, heads, or sectors. Note that LBA Mode is necessary for drives with more than 504MB storage capacity. Configuration options:

[LBA] [LARGE] [Normal] [Match Partition Table] [Manual]

Cylinders

This field configures the number of cylinders. Refer to the drive documentation to determine the correct value. To make changes to this field, set the Type field to [User Type HDD] and the Translation Method field to [Manual].

Head

This field configures the number of read/write heads. Refer to the drive documentation to determine the correct value. To make changes to this field, set the Type field to [User Type HDD] and the Translation Method field to [Manual].

Sector

This field configures the number of sectors per track. Refer to the drive documentation to determine the correct value. To make changes to this field, set the Type field to [User Type HDD] and the Translation Method field to [Manual].

CHS Capacity

This field shows the drive’s maximum CHS capacity as calculated by the

BIOS based on the drive information you entered.

Maximum LBA Capacity

This field shows the drive’s maximum LBA capacity as calculated by the

BIOS based on the drive information you entered.

Multi-Sector Transfers [Maximum]

This option automatically sets the number of sectors per block to the highest number that the drive supports. Note that when this field is automatically configured, the set value may not always be the fastest value for the drive. You may also manually configure this field. Refer to the documentation that came with the hard drive to determine the optimum value and set it manually. To make changes to this field, set the Type field to [User Type HDD]. Configuration options: [Disabled] [2 Sectors] [4

Sectors] [8 Sectors] [16 Sectors] [32 Sectors] [Maximum]

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SMART Monitoring [Disabled]

This field allows you to enable or disable the S.M.A.R.T. (Self-Monitoring,

Analysis and Reporting Technology) system that utilizes internal hard disk drive monitoring technology. This parameter is normally disabled because the resources used in the SMART monitoring feature may decrease system performance. Configuration options: [Disabled] [Enabled]

PIO Mode [4]

This option lets you set a PIO (Programmed Input/Output) mode for the

IDE device. Modes 0 through 4 provide successive increase in performance. Configuration options: [0] [1] [2] [3] [4]

Ultra DMA Mode [Disabled]

Ultra DMA capability allows improved transfer speeds and data integrity for compatible IDE devices. Set to [Disabled] to suppress Ultra DMA capability. To make changes to this field, set the Type field to [User Type

HDD]. Configuration options: [0] [1] [2] [3] [4] [5] [Disabled]

5-14 Chapter 5: BIOS setup

5.3.2 Keyboard Features

Boot Up NumLock Status [On]

This field enables users to activate the Number Lock function upon system boot. Configuration options: [Off] [On]

Keyboard Auto-Repeat Rate [6/Sec]

This controls the speed at which the system registers repeated keystrokes.

Options range from 6 to 30 characters per second. Configuration options:

[6/Sec] [8/Sec] [10/Sec] [12/Sec] [15/Sec] [20/Sec] [24/Sec] [30/Sec]

Keyboard Auto-Repeat Delay [1/4 Sec]

This field sets the time interval for displaying the first and second characters. Configuration options: [1/4 Sec] [1/2 Sec] [3/4 Sec] [1 Sec]

Hotkey to Lock Keyboard [Disabled]

This field allows you to activate the OS independent keyboard lock function using the selected hot keys. You must set a user password or a supervisor password before enabling the keyboard lock function.

Configuration options: [Disabled] [Ctrl-Alt A] [Crtl-Alt Z] [Ctrl-Alt X]

[Ctrl-Shift A] [Ctrl-Shift Z] [Ctrl- Shift X]

Keyboard Idle Timer [Disabled]

This field allows you to activate the OS independent keyboard lock function using the keyboard idle timer. You must set a user password or a supervisor password before enabling the keyboard lock function.

Configuration options: [Disabled] [1 Min] [2 Mins] [5 Mins] [15 Mins]

[30 Mins]

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5.4

Advanced Menu

5-16

CPU Speed [Manual]

This field displays the auto-detected CPU speed.

CPU Level 1 Cache, CPU Level 2 Cache [Enabled]

These fields allow you to choose from the default [Enabled] or choose

[Disabled] to turn on or off the CPU Level 1 and Level 2 built-in cache.

Configuration options: [Disabled] [Enabled]

Hyper-Threading Technology [Enabled]

This item allows you to enable or disable support for Hyper-Threading

Technology enabled processors which contain multiple logical processors per physical processor package. Configuration options: [Disabled]

[Enabled]

BIOS Update [Enabled]

This field functions as an update loader integrated into the BIOS to supply the processor with the required data. When set to [Enabled], the BIOS loads the update on all processors during system bootup. Configuration options: [Disabled] [Enabled]

PS/2 Mouse Function Control [Auto]

The default setting [Auto] allows the system to detect a PS/2 mouse at startup. If a mouse is detected, the BIOS assigns IRQ12 to the PS/2 mouse. Otherwise, IRQ12 can be used for expansion cards. When you set this field to [Enabled], BIOS reserves IRQ12, whether or not a PS/2 mouse is detected at startup. Configuration options: [Enabled] [Auto]

Chapter 5: BIOS setup

OS/2 Onboard Memory > 64M [Disabled]

When using OS/2 operating systems with installed DRAM of greater than

64MB, you need to set this option to [Enabled]. Otherwise, leave to the default setting [Disabled]. Configuration options: [Disabled] [Enabled]

USB Legacy Support [Auto]

This motherboard supports Universal Serial Bus (USB) devices. The default of [Auto] allows the system to detect a USB device at startup. If detected, the USB controller legacy mode is enabled. If not detected, the

USB controller legacy mode is disabled.

When you set this field to [Disabled], the USB controller legacy mode is disabled whether or not you are using a USB device. Configuration options: [Disabled] [Enabled] [Auto]

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5.4.1 Chip Configuration

5-18

Video Memory Cache Mode [UC]

USWC (uncacheable, speculative write combining) is a new cache technology for the video memory of the processor. It can greatly improve the display speed by caching the display data. You must set this to UC

(uncacheable) if your display card cannot support this feature; otherwise your system may not boot. Configuration options: [UC] [USWC]

Enhanced Memory Mapping [Enabled]

This item allows you to enable or disable the enhanced memory mapping feature. When enabled, this feature permits better memory bus utilization to increase the memory bus bandwidth and decrease the latencies.

Configuration options: [Disabled] [Enabled]

The enhanced memory mapping feature can only be used under these conditions:

• DIMM rows 2 and 4 are populated

• All the DIMMs installed are identical (the same type and size)

• DIMM sockets DDRA1 and DDRA2 are populated

Onboard PCI IDE [Both]

You can select to enable the primary IDE channel, both the primary and secondary channels, or disable both channels. Configuration options:

[Both] [Primary] [Disabled]

Chapter 5: BIOS setup

5.4.2 I/O Device Configuration

Floppy Disk Access Control [R/W]

When set to [Read Only], this parameter protects files from being copied to floppy disks by allowing reads from, but not writes to, the floppy disk drive.

The default setting [R/W] allows both reads and writes. Configuration options: [R/W] [Read Only]

Onboard Serial Port 1 [3F8H/IRQ4]

Onboard Serial Port 2 [2F8H/IRQ3]

These fields allow you to set the addresses for the onboard serial connectors. Serial Port 1 and Serial Port 2 must have different addresses.

Configuration options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/

IRQ10] [Disabled]

Onboard Parallel Port [378H/IRQ7]

This field allows you to set the address of the onboard parallel port connector. If you disable this field, the Parallel Port Mode and ECP DMA

Select configurations are not available. Configuration options: [Disabled]

[378H/IRQ7] [278H/IRQ5]

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Parallel Port Mode [ECP+EPP]

This field allows you to set the operation mode of the parallel port.

[Normal] allows normal-speed operation but in one direction only; [EPP] allows bidirectional parallel port operation; [ECP] allows the parallel port to operate in bidirectional DMA mode; [ECP+EPP] allows normal speed operation in a two-way mode. Configuration options: [Normal] [EPP] [ECP]

[ECP+EPP]

ECP DMA Select [3]

This field allows you to configure the parallel port DMA channel for the selected ECP mode. This selection is available only if you select [ECP] or

[ECP+EPP] in Parallel Port Mode above. Configuration options: [1] [3]

5-20 Chapter 5: BIOS setup

5.4.3 PCI Configuration

Slot 1, Slot 2, Slot 3, Slot 4, Slot 5, Slot 6 IRQ [Auto]

These fields set how IRQ use is determined for each PCI slot. The default setting for each field is [Auto], which utilizes auto-routing to determine IRQ use. Configuration options: [Auto] [NA] [3] [4] [5] [7] [9]

[10] [11] [12] [14] [15]

PCI/VGA Palette Snoop [Disabled]

Some non-standard VGA cards, like graphics accelerators or MPEG video cards, may not show colors properly. Setting this field to [Enabled] corrects this problem. If you are using standard VGA cards, leave this field to the default setting [Disabled]. Configuration options: [Disabled] [Enabled]

PCI Latency Timer [32]

Leave on default setting for best performance vs. stability.

Sparse PCI Host Bus [Disabled]

This field allows you to reserve the bus number for the PCI slots.

Configuration options: [Disabled] [2 BUS] [3 BUS] [4 BUS]

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Onboard SCSI BIOS [Auto]

[Auto] allows the motherboard BIOS to detect whether you have a Adaptec

SCSI controller. If the SCSI controller is detected, the SCSI BIOS will be enabled. If no SCSI controller is detected, the onboard SCSI BIOS will be disabled.

Setting to [Disabled] deactivates the onboard SCSI BIOS so that the

BIOS on an add-on SCSI card can be used. If your SCSI card does not have a BIOS, the SCSI card will not function. Configuration options: [Auto]

[Disabled]

ONB SCSI BIOS First [No]

This field allows giving priority to the onboard SCSI BIOS for SCSI functions over other SCSI controllers. Configuration options: [No] [Yes]

ONB Primary SCSI Term [Enabled]

ONB Secondary SCSI Term [Enabled]

This field allows you to enable or disable the onboard termination for the primary and secondary SCSI channels. Configuration options: [Enabled]

[Disabled]

Primary VGA BIOS First [PCI VGA Card]

This field allows you to select the primary graphics card. Configuration options: [PCI VGA Card] [Onboard VGA]

USB Function [Enabled]

Set this field to [Enabled] if you want to use Universal Serial Bus devices.

Configuration options: [Disabled] [Enabled]

Onboard LAN Boot ROM [Disabled]

Onboard 2nd LAN Boot ROM [Disabled]

When set to [Enabled], these fields allow the system to boot from the network using the onboard LAN controller boot ROM. Configuration options: [Disabled] [Enabled]

5-22 Chapter 5: BIOS setup

5.5

Power Menu

The Power menu allows you to reduce power consumption. This feature turns off the video display and shuts down the hard disk after a period of inactivity.

Power Management [User Defined]

This field allows you to activate or deactivate the automatic power saving features. When set to [Disabled], the power management features do not function regardless of the other settings on this menu. The [User Defined] option allows you to set the period of inactivity before the system enters suspend mode. Refer to “Suspend Mode” item.

When set to [Max Saving], system power is conserved to its greatest amount. This setting automatically puts the system into suspend mode after a brief period of system inactivity. [Min Saving] allows the least power saving as the system enters suspend mode only after a long period of inactivity. Configuration options: [User Defined] [Disabled] [Min Saving]

[Max Saving]

You should install the Advanced Power Management (APM) utility to keep the system time updated even when the computer enters suspend mode. In Windows 3.x and Windows 95, you need to install

Windows with the APM feature. In Windows 98 or later, APM is automatically installed as indicated by a battery and power cord icon labeled “Power Management” in the Control Panel. Select the item

“Advanced” in the Power Management Properties dialog box.

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5-24

Video Off Option [Suspend -> Off ]

This field determines when to activate the video off feature for monitor power management. Configuration options: [Always On] [Suspend -> Off]

Video Off Method [DPMS OFF]

This field defines the video off features. The Display Power Management

System (DPMS) feature allows the BIOS to control the video display card if it supports the DPMS feature. [Blank Screen] only blanks the screen. Use this for monitors without power management or “green” features.

Even if installed, your screen saver does not display when you select

[Blank Screen] for the above field.

[V/H SYNC+Blank] blanks the screen and turns off vertical and horizontal scanning. Configuration options: [Blank Screen] [V/H SYNC+Blank]

[DPMS Standby] [DPMS Suspend] [DPMS OFF] [DPMS Reduce ON]

HDD Power Down [Disabled]

Shuts down any IDE hard disk drives in the system after a period of inactivity as set in this user-configurable field. This feature does not affect

SCSI hard drives. Configuration options: [Disabled] [1 Min] [2 Min] [3

Min]...[15 Min]

Suspend Mode [Disabled]

Sets the time period before the system goes into suspend mode.

Configuration options: [Disabled] [1~2 Min] [2~3 Min] [4~5 min] [8~9 Min]

[20 Min] [30 Min] [40 Min] [1 Hour]

PWR Button < 4 Secs [Soft Off]

When set to [Soft off], the ATX switch can be used as a normal system power-off button when pressed for less than 4 seconds. [Suspend] allows the button to have a dual function where pressing less than 4 seconds puts the system in sleep mode. Regardless of the setting, holding the ATX switch for more than 4 seconds powers off the system. Configuration options: [Soft off] [Suspend]

Chapter 5: BIOS setup

5.5.1 Power Up Control

AC PWR Loss Restart [Disabled]

This allows you to set whether or not to reboot the system after power interruptions. [Disabled] leaves your system off while [Enabled] reboots the system. [Previous State] sets the system back to the state it was before the power interruption. Configuration options: [Disabled] [Enabled]

[Previous State]

Wake/Power Up On Ext. Modem [Disabled]

This allows either settings of [Enabled] or [Disabled] for powering up the computer when the external modem receives a call while the computer is in Soft-off mode. Configuration options: [Disabled] [Enabled]

The computer cannot receive or transmit data until the computer and applications are fully running. Thus, connection cannot be made on the first try. Turning an external modem off and then back on while the computer is off causes an initialization string that turns the system power on.

Onboard LAN Power Up [Disabled]

Power Up on PCI Card [Disabled]

These fields allow you to boot your computer from another computer by sending a wake-up frame or signal to the LAN device, or the PCI modem card if present. Configuration options: [Disabled] [Enabled]

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Power On By PS/2 Keyboard [Disabled]

This parameter allows you to use specific keys on the keyboard to turn on the system. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Configuration options: [Disabled] [Space Bar]

[Ctrl-Esc] [Power Key]

Automatic Power Up [Disabled]

This allows an unattended or automatic system power up. You may configure your system to power up at a certain time of the day by selecting

[Everyday] or at a certain time and day by selecting [By Date].

Configuration options: [Disabled] [Everyday] [By Date]

5-26 Chapter 5: BIOS setup

5.5.2 Hardware Monitor

MB Temperature [xxxC/xxxF]

CPU1 Temperature [xxxC/xxxF]

CPU2 Temperature [xxxC/xxxF]

The onboard hardware monitor is able to detect the MB (motherboard) and

CPU temperatures. Set to [Ignore] only if necessary.

CPU1 Fan Speed [xxxxRPM]

CPU2 Fan Speed [xxxxRPM]

The onboard hardware monitor is able to detect the CPU fan speeds in rotations per minute (RPM). The presence of the fans is automatically detected.

Make sure to connect the CPU fan cables to the appropriate connectors (CPU1 cable to CPUFAN1 connector, CPU2 cable to

CPUFAN2 connector). Otherwise, the system may not boot.

VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage, 3VSB

Voltage

The onboard hardware monitor is able to detect the voltage output by the onboard voltage regulators.

If any of the monitored items is out of range, the following error message appears: “Hardware Monitor found an error. Enter Power setup menu for details”. You will then be prompted to “Press F1 to continue or DEL to enter SETUP”.

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5.6

Boot Menu

5-28

The motherboard BIOS supports the BIOS Boot Specification (BBS) version 1.01. BBS is an intelligent mechanism that provides flexible ways to set boot sequence for Initial Program Load (IPL) devices such as

CD-ROMs, network remote boot ROM, and SCSI or RAID controllers on

PnP cards.

The IPL devices are classified into three categories:

1. BIOS Aware IPL Devices (BAID)

2. PnP devices, includes Boot Connection Vector (BCV) and Bootstrap

Entry Vector (BEV) devices

3. Legacy devices

1st Boot : (BAID) [<0> Floppy]

This field allows you to select a BIOS Aware IPL Devices (BAID) to boot from. A BAID is any device that can boot on an operating system but requires a specific BIOS code for support. Bootable FDDs, ATA HDD,

ATAPI CD-ROM, ATA ZIP, and ATA MO drives are classified as BAID. The drives present in the system will appear as options for this field.

Chapter 5: BIOS setup

2nd Boot : (BCV) [None]

This field allows you to select a Boot Connection Vector (BCV) device to boot from. BCV devices include SCSI controllers or SCSI cards, RAID cards, and other devices on add-on cards with option ROM that hooks INT

13 to BIOS.

Some SCSI RAID cards hook INT19 to BIOS. If you use these cards, you should enable INT 19 after installing the card. Otherwise, you cannot enter the RAID card BIOS.

The BCV devices present in the system will appear as options for this field.

The field shows [None] if no BCV device is installed.

3rd Boot : (BEV) [<0> Intel Corporation]

This field allows you to select a Bootstrap Entry Vector (BCV) device to boot from. BEV devices include network controllers or cards. The BEV devices present in the system will appear as options for this field. For this motherboard, the following options are present onboard:

[<0> Intel Corporation IBA 4.0.22 Slo (LAN A)]

[<1> Intel Corporation IBA 4.0.22 Slo (LAN B)]

4th Boot : (Legacy) [Disabled]

This field reserves the boot sequence selection only to legacy devices including FDD, HDD, CD-ROM, SCSI, and LAN. This mode does not allow booting from a boot device on an add-on card or controller. If you wish to assign a device as a 1st Boot device for a specific application, you must set that legacy device at the 1st Boot sequence.

For this motherboard, the following options are present onboard:

[Disabled] [Floppy] [HDD] [CD-ROM] [LAN Option ROM] [SCSI]

Plug & Play O/S [No]

This field allows you to use a Plug-and-Play (PnP) operating system to configure the PCI bus slots instead of using the BIOS. When [Yes] is selected, interrupts may be reassigned by the OS. If you installed a non-

PnP OS or if you want to prevent reassigning of interrupt settings, keep the default setting [No]. Configuration options: [No] [Yes]

Reset Configuration Data [No]

The Extended System Configuration Data (ESCD) contain information about non-PnP devices. It also holds the complete record of how the system was configured the last time it was booted. Select [Yes] if you want to clear these data during the Power-On-Self-Test (POST). Configuration options: [No] [Yes]

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MPS 1.4 Support [Enabled]

This field allows you to enable or disable the MultiProcessor Specification

1.4 support. Configuration options: [Disabled] [Enabled]

Quick Power On Self Test [Enabled]

This field speeds up the Power-On-Self Test (POST) routine by skipping retesting a second, third, and fourth time. Configuration options: [Disabled]

[Enabled]

Boot Up Floppy Seek [Enabled]

When enabled, the BIOS will seek the floppy disk drive to determine whether the drive has 40 or 80 tracks. Configuration options: [Disabled]

[Enabled]

5.6.1 Boot Configuration

5-30

Init Slot 1, 2, 3, 4, 5, 6 IRQ [Normal]

This field allows you to set the priority level for each expansion slot in order to determine expansion card initialization order. Configuration options: [High] [Normal] [Low] [Skip]

Chapter 5: BIOS setup

5.7

Server Menu

DRAM Hot Spare Memory [Disabled]

This field allows you to allocate rows of SDRAM for hot spare.

Configuration options: [Disabled] [1 row] [2 rows] [3 rows]

Remote Console [Disabled]

This field allows the text mode VGA display to be sent out to VT100 terminal through COM1. This function is effective at BIOS POST and DOS environment. Configuration options: [Disabled] [Enabled] [POST Only]

Event Log Viewer

Pressing <Enter> on this item gives you a sub-menu. You will be shown all events such as “no bootable media” or “fan speed out of range”.

Clear Event Log [Disabled]

This field clears the event log recorded on the sub-menu. Select [Enabled] to automatically clear the event log. Reset to [Disabled] to store up event log data. An IPMI device must be connected to the server for this field to function. Configuration options: [Disabled] [Enabled]

Log Memory ECC Error [Enabled]

This field allows you to set whether “Error Checking and Correcting” memory errors are logged. Configuration options: [Disabled] [Enabled]

ASUS AP2400R-E1 2U barebone server 5-31

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