Dell OptiPlex System BIOS, A09

The following problems in the A08 BIOS were corrected to generate the A09 BIOS:

1. Fixed problem with ISA PnP Adaptec SCSI card causing the system to hang.

2. Locked down "TIME" and "DATE" fields when setup password enabled.

3. Fixed problem with STB Trio64V+ intermittently causing the system to lock up.

4. Added updating the "DATE" fields continuously like the "TIME" fields for Year 2K.

5. Added NIC LSA ROM 0.99j.02 to fix DHCP handoff not finding boot server.

6. Cmos getting corrupted when SMBIOS disabled the NIC.

7. Reversed SMBIOS UUID bytes

8. Change DIMM error processing to preserve bits for later OS apps.

9. Fixed keyboard hang with scanner wand that attached to the PS/2 port.

10. Fix RTC wake up to wake up on our events, but give precedence to OS events.

11. Remove incorrectly setting of CMOS RSTFLG in RBU code.

12. Add ATI fix to get I/O base address through PCI, not scanning.

13. Add ATI fix for Vanguard SGRAM corrupting colors.


Version A09, A09



Release date

15 Aug 2000

Last Updated

03 Nov 2011


Available formats

File Format:Hard-Drive
File Name:GXa_A09.exe
Download Type:HTTP
File Size: 194 KB
Format Description:This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.
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By downloading, you accept the terms of the Dell Software License Agreement.

Applies to
OptiPlex System BIOS
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends the customer review specifics about the update to determine if it applies to your system. The update contains changes that impact only certain configurations, or provides new features that may/may not apply to your environment.