BIOS Flashing Steps
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1: Make a DOS boot diskette without autoexec.bat and config.sys files. 
   Copy the PHLASH.EXE, PLATFORM.BIN, and unzipped BIOS 
   image(ex.0404.ROM) files to this diskette. 

2: Turn the system off, then boot the system using the boot diskette
   you just created. Then type
   PHLASH/MODE=3 0404.ROM(say if you wanna to update to rev. 0404) 
   and press [ENTER]. 

3: It will now update the flash BIOS. If flash memory has been
   successfully programmed, it will ask you to press any key to power off
   the system. If the system does not off, turn the power off then on.  

4: Assuming that you have successfully flashed the BIOS. After the system
   reboots, hit [F2] to enter the CMOS Setup. At this point, go to
   "Load Setup Defaults" field at "Exit" sub-menu. Then save and exit Setup.
   If screen resolution has shrunk after you restart, please reset your 
   display resolution to 1024*768 and color to 16 bit.