Giga-Byte Technology Flash BIOS Utility
(April 24, 1996)


The utility (5ID_F.EXE) is used to update your Giga-Byte Technology
mainboard BIOS.  To use:

  1. Boot from a "clean" DOS v3.3 or higher disk - no TSR or memory
     managers, or if using DOS 6.X, during boot up "Starting MS-DOS,"
     press the [F5] key to bypass the CONFIG.SYS and AUTOEXEC.BAT files.

     NOTE: DO NOT use Windows'95 safe mode & boot to DOS command prompt
	   option nor use a system boot disk created from Windows'95.

  2. Type A:5ID_F <filename> [Enter]
     Where <filename> is the new BIOS code in binary format. Then
     follow the prompts.

  3.The utility only can be used to the following mainboards: 
     a.GA-586IM
     b.GA-586ID
   
The BIOS DATA files are described below:

  (1)"IM.3x" is for the GA-586IM REV.3 and early version mainboard.
  It may also can be used with the advance version, but lower
  performance will be result.
  
  (2)"IM.4x" is for the GA-586IM REV.4 and future version mainboard.
  It may also can be used with REV.3 mainboard which uses a S82434LX Z882
  chip. If the S82434LX is version is Z850, only the "IM.3x" BIOS files
  can be used to upgrade the old BIOS.

  (3)"ID.2x" is for the GA-586ID REV.1 & REV.2 mainboards. It may NOT be
  used with other versions.

  (4)"ID.3x" is for the GA-586ID REV.3 mainboard only. It may NOT be used
  with other versions.
