IBM Aptiva 2156, Hardware Maintenance Service

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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 with AWDFLASH.EXE and
VXXYYZZ.BIN files
NOTE: The AWDFLASH.EXE is flash utility programs. The
VXXYYZZ.BIN is a BIOS source code binary file.
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:> AWDFLASH VXXYYZZ.BIN and then press
Enter.
4. The screen shows: “Do You Want To Save Bios (Y/N)”. Type Y if you want
to save old bios data, and N if you do not.
5. When the screen shows: “Are You Sure To Program (y/n)”, type Y to flash
and update the system bios.
6. The program updates the BIOS automatically.
7. Wait for the update to complete.
WARNING: Do not turn off the system power while the BIOS is
programming, or the flash ROM will be destroyed.
8. Press F1 to Reset (or press F10 to exit) the system after the BIOS is
completely updated.