[. . . ] IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners' benefit, without intent to infringe. ii Contents Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] If you accidentally typed in a wrong BIOS file name, the error message, "WARNING!Press <Enter> to remove the message, then type in the correct file name. 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: A7S266-VM/U2 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 boot block 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 A7S266-VM/U2 Motherboard 2-3 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. 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. Press "Y" to update the BIOS. ASUS A7S266-VM/U2 Motherboard 2-7 2. 2 BIOS Setup program Use the BIOS Setup program when you are installing a motherboard, reconfiguring your system, or prompted to "Run Setup". This section explains how to configure your system using this utility. Even if you are not prompted to use the Setup program, you may want to change the configuration of your computer in the future. For example, you may want to enable the security password feature or make changes to the power management settings. This requires you to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the EEPROM. When you start up the computer, the system provides you with the opportunity to run this program. Press <Delete> during the Power-On Self Test (POST) to enter the Setup utility, otherwise, POST continues with its test routines. It is a menudriven program, which means you can scroll through the various sub-menus and make your selections among the predetermined choices. Because the BIOS software is constantly being updated, the following BIOS setup screens and descriptions are for reference purposes only, and may not exactly match what you see on your screen. 2. 2. 1 BIOS menu bar The top of the screen has a menu bar with the following selections: MAIN ADVANCED POWER BOOT EXIT Use this menu to make changes to the basic system configuration. Use this menu to configure the default system device used to locate and load the Operating System. Use this menu to exit the current menu or to exit the Setup program. To access the menu bar items, press the right or left arrow key on the keyboard until the desired item is highlighted. 2-8 Chapter 2: BIOS Information 2. 2. 2 Legend bar At the bottom of the Setup screen is a legend bar. The keys in the legend bar allow you to navigate through the various setup menus. [. . . ] Pressing [Enter] will show the product IDs of all your connected ATAPI CD-ROM drives. 2-24 Chapter 2: BIOS Information Other Boot Device [INT18 Device (Network)] Configuration options: [Disabled] [SCSI Boot Device] [INT18 Device (Network)] Plug & Play O/S [No] This field allows you to use a Plug-and-Play (PnP) operating system to configure the PCI bus slots instead of using the BIOS. If you installed a non-PnP OS or if you want to prevent reassigning of interrupt settings, keep the default setting [No]. Configuration options: [No] [Yes] Boot Virus Detection [Enabled] This field allows you to set boot virus detection, ensuring a virus-free boot sector. The system halts and displays a warning message when it detects a virus. [. . . ]