User manual ASUS P4S-X

[. . . ] P4S-X User Guide Motherboard E1366 Checklist First Edition July 2003 Copyright © 2003 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. [. . . ] Pressing N exits the EZ Flash screen and reboots the system without updating the BIOS. The following prompts appear if you typed Y. [BIOS Information in File] BIOS Version: P4S-X Boot Block WARNING!Press Y to update the main BIOS area. Flash Memory: SST 49LF004 (Y/N)?_ Update Main BIOS area DO NOT shutdown or reset the system while updating the BIOS area!When the update process is done, the message, "Press a key to reboot" appears. Press any key to reboot the system with the new BIOS. ASUS P4S-X motherboard user guide 2-3 2. 1. 2 Using AFLASH to update the BIOS 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. 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. 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. 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. 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. 2-4 Chapter 2: BIOS information 5. Type a filename and the path, for example, A:\XXX-XX. XXX, then press <Enter>. 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 an updated ASUS BIOS file from the Internet (WWW or FTP) (see ASUS CONTACT INFORMATION on page viii for details) and save to the boot floppy disk you created earlier. At the "A:\" prompt, type AFLASH and then press <Enter>. Type the filename of your new BIOS and the path, for example, A:\XXXXX. XXX, then press <Enter>. To cancel this operation, press <Enter>. ASUS P4S-X motherboard user guide 2-5 6. When prompted to confirm the BIOS update, press Y to start the update. 7. The utility starts to program the new BIOS information into the Flash ROM. 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. [. . . ] The CMOS RAM is sustained by an onboard backup battery and stays on even when the PC is turned off. Select [Yes] 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. Pressing <Enter> saves 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. If you made changes to fields other than system date, system time, and password, the BIOS asks for a confirmation before exiting. Load Setup Defaults This option allows you to load the default values for each of the parameters on the Setup menus. [. . . ]