User manual ASUS A7N8X-VM/400

[. . . ] A7N8X-VM/400 User Guide Motherboard E1857 Checklist Revised edition V2 February 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. [. . . ] Serial connector (10-1 pin COM2) This connector accommodates a second serial port using an optional serial port module. Connect the module cable plug to this connector, then install the module into a slot opening at the back of the system chassis. COM2 PIN 1 A7N8X-VM A7N8X-VM/400 Serial Connector The serial port module is purchased separately. ASUS A7N8X-VM/400 motherboard user guide GND SPDIF_IN 1-21 13. System panel connector (20-pin PANEL1) This connector accommodates several system front panel functions. Keyboard Lock Power LED PLEDKeylock Ground PLED+ Speaker Connector +5V Ground Ground Speaker A7N8X-VM ExtSMI# Ground PWR Ground +5V IDELED IDE LED SMI Lead Reset SW ATX Power Switch* A7N8X-VM/400 Panel Connectors * Requires an ATX power supply. · System Power LED (3-1 pin PLED) This connector is for the system power LED in the chassis front panel. The system power LED lights up when you turn on the system power. · Keyboard Lock (2-1 pin KEYLOCK) This connector is for the chassis-mounted switch that allows the use of the keyboard lock feature. · System Warning Speaker (4-pin SPEAKER) This connector is for the chassis-mounted speaker that allows you to hear system beeps and warnings. · System Management Interrupt (2-pin SMI) This connector allows switching to suspend mode, or "Green" mode. While is green mode, the system activity is instantly decreased to save power and to expand the life of certain system components. · Reset Switch (2-pin RESET) This connector is for the chassis-mounted reset switch used for rebooting the system without turning off the power switch. · ATX Power Switch / Soft-Off Switch (2-pin PWR) This connector is for the system power switch located in the chassis front panel. Pressing the power switch turns the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings. When the system is on, pressing the power switch for more than 4 seconds turns the system off. · Hard Disk Activity (2-pin IDE LED) This connector is for the hard disk drive activity LED. The read or write activities of any primary or secondary IDE device cause the hard disk drive activity LED to light up. 1-22 Chapter 1: Product introduction Reset Ground Chapter 2 This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. BIOS information 2. 1 Managing and updating your BIOS The following utilities allow you to manage and update the motherboard Basic Input/Output System (BIOS) setup. AFUDOS (Updates the BIOS in DOS mode using a bootable floppy disk. ) 2. ASUS EZ Flash (Updates the BIOS using a floppy disk during POST. ) 3. ASUS Update (Updates the BIOS in Windows® environment. See Chapter 3 for details. ) Refer to the corresponding section for each utility. Important notes · It is recommended that you 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 AFUDOS or the ASUS Update utilities. A working BIOS file for this motherboard is in the support CD. Use this file only when you do not have a copy of the original motherboard BIOS file in a floppy disk. Visit the ASUS website and download the latest BIOS file for this motherboard using the ASUS Update utility. · · 2. 1. 1 Creating a bootable floppy disk 1. Do either one of the following to create a bootable floppy disk. DOS environment Insert a 1. 44 MB floppy disk into the drive. At the DOS prompt, type: format A:/S then press <Enter>. From your Windows desktop, click on Start, point to Settings, then click on Control Panel. Double-click on Add/Remove Programs icon from the Control Panel window. [. . . ] Configuration options: [Setup] [Always] 2-24 Chapter 2: BIOS information 2. 7 Exit menu When you have made all of your selections from the various menus in the Setup program, save your changes and exit Setup. Select Exit from the menu bar to display the following menu. Exit Options Exit & Save Changes Exit & Discard Changes Discard Changes Load Setup Defaults Exit system setup after saving the changes. F10 key can be used for this operation. Pressing <Esc> does not immediately exit this menu. Select one of the options from this menu or <F10> from the legend bar to exit. 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. [. . . ]