User manual ASUS A7S266-VMU2

[. . . ] A7S266-VM/U2 User Guide Motherboard E1191 First Edition V1 January 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. [. . . ] It 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. 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. 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>. Updating the BIOS Update the BIOS only if 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 x for details) and save to the boot floppy disk you created earlier. At the "A:\" prompt, type AFLASH and then press <Enter>. At the Main Menu, type 2 then press <Enter>. The Update BIOS Including Boot Block and ESCD screen appears. 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 A7S266-VM/U2 Motherboard 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. The boot block is updated automatically only when necessary. When the programming is done, the message "Flashed Successfully" appears. 8. Follow the onscreen instructions to continue. DO NOT turn off the system while updating the BIOS. 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, call the ASUS service center for support. 2-6 Chapter 2: BIOS Information 2. 1. 3 CrashFree BIOS 2 (BIOS Auto-recovery Procedure) The CrashFree BIOS 2 feature allows users to boot the computer from a floppy disk and update the BIOS using AFLASH. EXE or EZ Flash Utility in case the original BIOS fails or gets corrupted. If the user doesn't have a bootable floppy disk with the original BIOS, an auto-recovery procedure can be performed using the support CD. [. . . ] The Programmable Interrupt Controller (PIC) setting allows you to use the 16 IRQs only. Configuration options: [PIC] [APIC] ASUS A7S266-VM/U2 Motherboard 2-25 2. 7 Exit Menu 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 Saving 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. The CMOS RAM is sustained by an onboard backup battery and stays on even when the PC is turned off. [. . . ]