Driver Details

Dell OptiPlex System BIOS, A03

The following changes have been made to BIOS rev A02 to create A03.

1. Support faster Celeron CPU's (updated max speeds, new CPU microcode).

2. Change copyright to 1999.

3. Fixed possible Teac CDROM non-boot problem.

4. Updated L2 cache initialization code to intel's latest.

5. Alter fan support to keep system cooler (keep fan running if installed but not needed).

6. Fixed no-setup problem if no bootable PnP devices.

7. Fixed boot problem with Adaptec 1542CP adapter in PnP mode.

Fixes & Enhancements


Version A03, A03

Release date

15 Aug 2000

Last Updated

03 Nov 2011



Available formats

File Format:Hard-Drive
File Name:E1_A03.exe
Download Type:HTTP
File Size: 203KB
Format DescriptionThis 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.
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By downloading, you accept the terms of the Dell Software License Agreement.

Compatible Systems

Supported Operating Systems


Applies to

OptiPlex System BIOS

Installation instructions

Important Information

Note: Some versions of Intellimouse and the Dell-branded mouse drivers are incompatible with Win98 when ACPI is enabled. Please check the version of mouse drivers if you wish to install this BIOS rev which includes ACPI.

Intellipoint mouse driver revs prior to 2.2A are incompatible with Win98 when ACPI is enabled. Drivers are available from Microsoft.

Dell-branded mouse drivers prior to revision 8.02A are incompatible with Win98 when ACPI is enabled. Drivers are available in the Dell Input Device Drivers library. For the Dell-branded mouse driver rev 8.02A, the filename is DD7758C.exe.

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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.