KB-6120 BIOS Update Page

Before updating BIOS, note the following:

  • it is NOT recommended to update BIOS just for the sake of "having the latest BIOS available"
  • in 95% of cases, the latest BIOS does NOT "increase performance"
  • before updating BIOS, get familiar with BIOS Update Procedure and make sure you backup the old BIOS to a floppy

Latest KB-6120 BIOS releases

PCB Revision: 1.2

BIOS Revision: MD613

File name: md613.zip

Date: October 21, 1998

Remark: use flash 641.com (included)


1. Enter suspend use Sleep Button will make blue screen when USB supplement installed in Win95.

2. Seagate ST36451a 6.4GB HDD size detect error.

3. BCT model BCD 32x CD-ROM UDMA 2 show to PIO Mode 0 in summary screen.

4. Swap External CPU Temp & System Temp report in BIOS setup, because PCB1.2 has changed their location.

PCB Revision: 1.2

BIOS Revision: MD612

File name: md612.zip

Date: September 28, 1998

Remark: use flash 641.exe


1.Add Message LED support in ACPI

2.Support 782D Shutdown Temperature

3.Support 782D FAN speed control

4.Support Software Power-Fail

5.When onboard device disabled then stop its PCI clock supply

6.Support CPU Patch: 163332, 163433,165027,165129,165214,166004,167006 & 167102

7.Support INTEL L2 sizing ver 3.3 8.Support 2M flash parts: SST&Winbond

New Features added:

1. Display "CELERON" CPU string.

2. Support SMBIOS 2.1

3. Display CPU L2 ECC status on summary screen

4. Support new CPU micro code for CPU ID 0652H

PCB Revision: 1.1

BIOS Version: MD611

File name: md611.zip

Date: August 31, 1998

Remark: flash with flash641.com

Fixes: Power LED was blinking under LDCM 3.3 ACPI "System Status Indicator Off" Test.