[. . . ] Motherboard
A8N-VM CSM
E2294 Revised Edition V2 October 2005
Copyright © 2005 ASUSTeK COMPUTER INC. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. [. . . ] System panel connector (20-1 pin PANEL) This connector supports several chassis-mounted functions.
PLED
A8N-VM CSM
SPEAKER
+5V Ground Ground Speaker
PLED+
PANEL
IDE_LED+ IDE_LED®
PLED-
IDE_LED
RESET PWRSW
A8N-VM CSM System panel connector
* Requires an ATX power supply.
The sytem panel connector is color-coded for easy connection. Refer to the connector description below for details.
·
·
·
·
System power LED (Green 3-pin PLED) This 3-pin connector is for the system power LED. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode. Hard disk drive activity (Red 2-pin IDE_LED) This 2-pin connector is for the HDD Activity LED. The IDE LED lights up or flashes when data is read from or written to the HDD. System warning speaker (Orange 4-pin SPEAKER) This 4-pin connector is for the chassis-mounted system warning speaker. Power/Soft-off button (Yellow 2-pin PWRSW) This connector is for the system power button. Pressing the power button turns the system ON or puts the system in SLEEP or SOFT-OFF mode depending on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF. Reset button (Blue 2-pin RESET) This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.
·
1-30
Chapter 1: Product introduction
Reset Ground
PWR Ground
This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.
BIOS setup
2
2. 1
Managing and updating your BIOS
The following utilities allow you to manage and update the motherboard Basic Input/Output System (BIOS) setup. ASUS floppy ASUS A F U D O S (Updates the BIOS in DOS mode using a bootable disk. ) E Z F l a s h (Updates the BIOS using a floppy disk during POST. )
ASUS EZ Flash and ASUS CrashFree BIOS 2 only support VGA/RGB output. These utilities do not support VGA/DVI-D output.
3.
A S U S U p d a t e (Updates the BIOS in Windows® environment. )
Refer to the corresponding sections for details on these utilities.
Save a copy of the original motherboard BIOS file to a bootable floppy disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update or AFUDOS utilities.
2. 1. 1
1.
Creating a bootable floppy disk
Do either one of the following to create a bootable floppy disk.
DOS environment
a. At the DOS prompt, type format A:/S then press <Enter>.
Windows® XP environment
a. Click F i l e from the menu, then select F o r m a t A F o r m a t 3 1 / 2 t. Select C r e a t e a n M S - D O S s t a r t u p d i s k from the format options field, then click S t a r t t.
Windows® 2000 environment
To create a set of boot disks for Windows® 2000: a. Click S t a r t then select R u n t, n.
2-2
Chapter 2: BIOS setup
d. From the Open field, type D:\bootdisk\makeboot a: assuming that D: is your optical drive. Copy the original or the latest motherboard BIOS file to the bootable floppy disk.
2. 1. 2
ASUS EZ Flash utility
The ASUS EZ Flash feature allows you to update the BIOS without having to go through the long process of booting from a floppy disk and using a DOS-based utility. The EZ Flash utility is built-in the BIOS chip so it is accessible by pressing <Alt> + <F2> during the Power-On Self Tests (POST). Visit the ASUS website (www. asus. com) to download the latest BIOS file for the motherboard and rename the same to A 8 N V M C S M . [. . . ] Select one of the options from this menu or <F10> from the legend bar to exit.
2-36
Chapter 2: BIOS setup
Exit & Save Changes
Once you are finished making your selections, choose this option from the Exit menu to ensure the values you selected are saved to the CMOS RAM. An onboard backup battery sustains the CMOS RAM so it stays on even when the PC is turned off. Select [ O k ] to save changes and exit.
If you attempt to exit the Setup program without saving your changes, the program prompts you with a message asking if you want to save your changes before exiting. Press <Enter> to save the changes while exiting.
Exit & Discard Changes
Select this option only if you do not want to save the changes that you made to the Setup program. [. . . ]