Dell OptiPlex System BIOS, A04

Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.
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Driver Id : R19264
Importance : Optional
Version : A04, A04 Latest version Recommended version Latest and Recommended version
Release Date : 15 Aug 2000
Download Type : System BIOS
Category : BIOS
The following problems in the A03 BIOS were corrected to generate the A04 BIOS:

1. ISA Shadow I/O bit in bridges.

2. Prefetchable memory support for devices behind bridge.

3. Make PS/2 mode default for on-board parallel port.

4. LPT Port detection fix.

5. Disable DAC snoop for Oxygen card DAC.

6. Assign Non-VGA I/O to bridge for VGA behind the bridge.

7. Allow user to adjust boot order from FD-PNP-HD to FD-HD-PNP.

8. Fix auto power down possibility at power-up.

9. Force parallel port to allow IRQ to float.

10. Corrected wrong byte order in PCI video ROM class code field.

Download Files

File Format: 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.
File Name: Gs_A04.exe
File size: 122.07 KB
Download .EXE