Before you update
your BIOS, please make sure you set the system back to defaults by clearing the
CMOS and run at defaults. Boot up a DOS bootable disk with the FLASH utility and
BIOS and following the UPDATE BIOS Procedures below. Take note that ASrock did
not implement the AMIboot procedure, so the conventional way to recover by
diskette won't work.
This is the Flash Memory Writer utility that updates the BIOS by uploading a
new BIOS file to the programmable flash ROM chip on the motherboard. To
determine the BIOS version of your motherboard, press <F2> to enter the BIOS
setup utility during bootup, and check the BIOS version from the Main menu.
Larger numbers represent a newer BIOS file. This utility works only in DOS
You can please
click hereto download the FLASH.EXE.
ASRock motherboard MUST
use ASRock's FLASH.EXE
utility to update BIOS, those uncertified BIOS flashing tools will cause
Create a bootable system floppy disk.
Download the FLASH.EXE and copy
FLASH.EXE to the just created boot disk in step 1.
Download an updated ASRock BIOS file
(WinZip format with .zip file extension) from the web site, unzip the BIOS
file and save to the disk you created in step 2.
Boot from the disk you created in step
At the "A:\" prompt, type FLASH, hit
space bar once, and type BIOS file name then press <Enter>. For example:
A:\FLASH K7VT2_1.20 <Enter> then you will see a message "Please wait for
BIOS loading ROM".
After 1 minute, you will see the message
"Flash ROM Update Completed - Pass", then you have finished upgrading the
After finishing upgrading the BIOS,
please remove the floppy disk. Restart your system and press <F2> to enter
the BIOS setup utility during boot up.
In Exit menu, please select "Load
Default Settings" and press <Enter> to continue.
Select "Exit Saving Changes" and press
<Enter> to exit the BIOS setup utility.
Now, system is booting up with new BIOS.
If you encounter problems while updating the
new BIOS, DO NOT turn off your system since this corrupt BIOS might cause
your system failed to boot up. Just repeat the process, and if the problem
still persists, update the original BIOS file. If the Flash Memory Writer
utility was not able to successfully update a complete BIOS file, your
system may not be able to boot up. If this happens, your system will need
The MAC address of the
on-board LAN is erased. After updating the BIOS or clearing the CMOS, please
boot up the system and enter the BIOS setup. After loading the BIOS default,
please exit and save changes. Failing to do so may cause the MAC address
disappeared. If the MAC address is gone, please contact ASRock technical support
engineer for help:
If the MAC Address is
gone, here´s an utility sent by ASRock TSD: eeAMD-SiS.ZIP
Readme.txt is contained in the ZIP file: Please unzip the attached EE file and copy both EE.exe and EE to the floppy
Step 1. Check your correct MAC address: Find a bar-code sticker on the
motherboard which has MAC address on it.
For example: 000B6A112233.
Step 2. Fill in the MAC address: Open EE with notepad and you will find
0b00 ; Mac addr 
126a ; Mac addr 
5634 ; Mac addr 
Replace them with your MAC address. Click "save" before closing the EE file.
For example: 000b6a67890a
0b00 ; Mac addr 
676a ; Mac addr 
0a89 ; Mac addr 
**Please be careful with the right order and make sure not to change other
Step 3. Prepare a boot disk which allows you to boot into DOS mode.
Step 4. Boot your system in DOS mode with the boot disk. When you see A:\>, put
in the EE utility disk and type A:\>EE EE then press "enter".
Over at OCW, we
included a number of BETA BIOS provided by ASrock. They are provided as it is
and are not modified with untested functions that causes instability on your
We have a series of
BIOS available for the following boards. The URLs are right below.
The real official beta bios
from ASrock can be found here.
CheepoMemTweak Utility for all SiS746/746FX/748 Boards to tweak the
registers for better performance. Some of the beta bios (performance) already
includes these options within the BIOS.