General Information 1-17
Flash (BIOS) Update Procedure
NOTE:
The flash update procedure does not change the model number and
serial number information in BIOS.
1. Prepare a bootable DOS diskette disk with AFLASH.EXE, MSG.DAT,
RXX-YY.RN and RXX-YY.BIN files
NOTE:
The AFLASH.EXE and MSG.DAT are flash utility programs. The
RXX-YY.RN file has the BIOS checksum information. The RXX-
YY.BIN is BIOS source code binary file and its file size should be
262,144 bytes (256K bytes).
2. Insert the diskette and boot from drive A.
WARNING:
Do not boot with any memory related driver such as
HIMEM.SYS, EMS.SYS ….
3. At the DOS prompt, type A:> AFLASH then press Enter.
4. Press any key to pass the information screen. Follow the instructions on
the screen, execute “LOAD BIOS FILE TO BUFFER” and type BIOS file
name (RXX-YY.BIN) and file path. Program then automatically loads BIOS
file into memory buffer.
IMPORTANT:
Verify the BIOS checksum value shown on screen is same
to the one in RXX-YY.RN file.
5. Follow the instructions on the screen to execute “PROGRAM FLASH
ROM”.
WARNING:
Do not turn off the system power while the BIOS is
programming, or the flash ROM will be destroyed. If a BIOS
flash upgrade cannot be done successfully, you can replace a
new BIOS FRU. See “Parts Catalog” on page 7-2.
7. Follow the instruction on screen to complete the programming BIOS.
8. Power off system after the BIOS is completely updated.
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