User manual ASUS A7N8X-X

[. . . ] A7N8X-X User Guide Motherboard E1875 Checklist Revised Edition V3 January 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. [. . . ] It is recommended that you reboot using a floppy disk in order to open DOS mode. 3. Reboot the computer from the floppy disk. Therefore, copy the AWDFLASH. EXE program and the NEW BIOS file to the root directory on the hard disk drive; for example: type, "COPY A:\AWDFLASH. EXE C:\" and "COPY A:\BIOSNAME. BIN C:\. 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, or try to clear the CMOS memory (see section 1. 7, Jumpers). 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. 2-2 Chapter 2: BIOS Setup 2. 1. 2 Updating BIOS procedures 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 create more problems ! The Binary Input/Output System (BIOS) can be updated using the built-in Flash Memory Writer utility or using a bootable floppy disk with the executable Flash Memory Writer Utility (AWDFLASH. EXE). The following sub-sections explain the steps in flashing your BIOS. Updating BIOS via Built-in AwardBIOS Flash Utility 1. Download the latest BIOS file from the ASUS website (see ASUS contact info on Page viii). Save the copy to a floppy disk. Write down the BIOS file name on a piece of paper. You need to type the exact BIOS file name at the Award BIOS Flash Utility. 2. To use AwardBIOS Flash Utility, press <Alt> + <F2> during POST to display the following screen. The BIOS information in the above screen is for reference only. what you see on your screen may not be exactly the same as shown. 4. Insert the disk that contains the new BIOS file into the floppy drive. Device not ready!" if you proceed to step 5 without the disk in the drive. 5. Type the name of the new BIOS file, for example: "AW0702. BIN" then press <Enter>. Select <Y> since it is advisable to back-up the original BIOS in case you need to reprogram it. ASUS A7N8X-X Motherboard 2-3 6. The program asks to save the previous BIOS to a separate file. The AWDFLASH program backsup the file. 7. AWDFLASH proceeds to check the new BIOS file and asks the user to program (flash) the new BIOS file to the motherboard. 8. Type <Y> and Press <Enter> to flash the new Bios file. NOTE: Do not shut off system power or unplug the supply during the flash process. 2-4 Chapter 2: BIOS Setup 9. Press <F1> to restart. Updating BIOS via Bootable Floppy Disk 1. At the "A:\" prompt, type "C:\" and then press <Enter>. At the "C:\" prompt, type "AWDFLASH /e BIOSFILE" and then <Enter>. For example: "AWDFLASH /e aw0702. bin" The AWDFLASH screen appears, and the BIOS file appears in the space, "File Name to Program". 4. Type the name of the new BIOS file, for example: "AW0702. BIN" then press <Enter>. [. . . ] NOTE: See section "1. 9 Jumpers" for more information about how to erase the R RAM. TC 2. 6 Hardware Monitor Menu The Harware Monitor menu displays all vital system statistics. 2-24 Chapter 2: BIOS Setup MB, CPU Temperature [xx C / xx F] The onboard hardware monitor automatically detects the MB (motherboard) and CPU temperatures. VCORE Voltage, +3. 3V Voltage, +5V Voltage, +12V Voltage The onboard hardware monitor automatically detects the voltage output through the voltage regulators. CPU Fan Speed xxxx RPM or 0 RPM CHASSIS Fan Speed xxxx RPM or 0 RPM POWER Fan Speed xxxx RPM or 0 RPM The onboard hardware monitor automatically detects the CPU, power and chassis fan speeds and displays the fan speeds in revolutions per minute (RPM). If any of the fans is not connected to the fan connectors on the motherboard, the specific field will show N/A. Q-Fan Control [Disabled] This field allows you to enable or disable the ASUS Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. When this field is set to [Enabled], set the appropriate Fan Speed Ratio and Speed Up/Down Response Time. [. . . ]