How to Update your System Bios|Upgrade flash Bios

BIOS Update Procedure All latest Motherboards today, 486/ Pentium / Pentium Pro etc.,ensure that upgrades are easily obtained by incorporating the system BIOS in a FLASH Memory component. With FLASH BIOS, there is no need to replace an EPROM component. The following instructions should not be used on the system board don’t having Flash Bios . If your motherboard does not have a Flash BIOS (EEPROM) you will need to use an EPROM programmer to re-program the BIOS chip. See your dealer for more information about this.

please follow these steps to upgrade your flash bios<not bios> A. Create a Bootable Floppy (in DOS) •With a non-formatted disk, type the following: format a:/s •If using a formatted disk, type: sys a: This procedure will ensure a clean boot when you are flashing the new BIOS. •Download the correct BIOS file by clicking on the file name of the BIOS file you wish to download. •Save the BIOS file and the Flash Utility file in the boot disk you have created. Unzip the BIOS file and the flash utility file. If you don’t have an "unzip" utility, download the WinZip for Windows 95 shareware/ evaluation copy •You should have extracted two files:

Beware. For example: flash625 615j900.22 •At the A:> prompt. write down the old BIOS version because you will need to use it for the BIOS backup file name. the system will hang. Upgrade the System BIOS During boot up. do not switch off. If you do not do this the first time booting up after upgrading the BIOS. select "Y" to "Do you want to save BIOS?" if you want to save (back up) your current BIOS (strongly recommended).bin Alternatively select "N" if you don’t want to save your current BIOS. For AMI BIOS Once the BIOS has been successfully loaded. provided you’ve made a backup before) Make sure the new BIOS version has been loaded properly by taking note of the BIOS identifier as the system is rebooting. and you will not be given another chance to flash. preferably Version 6. Place the bootable floppy disk containing the BIOS file and the Flash Utility in drive a. This information is usually provided.exe (for example) BIOS eg: 6152J900. .Flash BIOS utility eg: flash7265. type the corresponding Flash BIOS utility and the BIOS file with its extension. remove the floppy disk and reboot the system holding the "END" key prior to power on until you enter CMOS setup. that you won’t be able to recover from a possible failure. and reboot the system in MS-DOS. •Select "Y" to "Are you sure to program?" •Wait until it displays "Message: Power Off or Reset the system" Once the BIOS has been successfully loaded. though. C. If you write to BIOS but cannot complete the procedure. then type the name of your current BIOS and its extension after FILE NAME TO SAVE: eg: a:13J900.bin •From the Flash Memory Writer menu.bin (example) Use the latest flash utility available unless otherwise specified (either on the BIOS update page or in the archive file). remove the floppy disk and reboot the system. because the computer will not be able to boot. In this case leave your system on until you resolve the problem (flashing BIOS with old file is a possible solution.

Important: Booting in DOS does not mean selecting "Restart computer in MS-DOS Mode" from Windows98/95 shutdown menu or going to Prompt mode in WindowsNT but rather following the above procedure (format a: /s and rebooting from a:\). rather than 615j900. Failing to do a clean boot is the most common cause for getting a "Memory Insufficient" error message when attempting to flash a BIOS.SYS. Make sure to boot up to DOS with a minimum set of drivers. This will corrupt the BIOS data. Have you booted up under DOS? Booting in Windows is another common cause for getting a "Memory Insufficient" error message when attempting to flash a BIOS. If you have not used a bootable floppy. Have you entered the full file name of the flash utility and the BIOS plus its extension? Do not forget that often you will need to add a drive letter (a:\) before flashing the BIOS.BIOS Update Tips note: 1. If you have problems installing your new BIOS please check the following: Have you done a clean boot? In other words. . insure a clean boot either by a) pressing F5 during bootup b) by removing all device drivers on the CONFIG. did you follow the above procedure for making a bootable floppy? This ensures that when booting from "A" there are no device drivers on the diskette. Example: when asked for file name of new BIOS file which is on your floppy disk. 2.Make sure never to turn off or reset your computer during the flash process.bin only. in case you’re working from c:\ your will need to type a:15j900.bin. Do this by using the EDIT command.SYS including the HIMEM.