Driver Details

DELL,DSK PROG,BIOS,FWH,990,A10,A10

OptiPlex 990 System BIOS

Fixes & Enhancements

Defects Fixed:
For DT LCM system ,BIOS will tell DellDiag the thermal sensor is no exist

Version

Version A10, A10

Category

BIOS

Release date

12 Dec 2011

Last Updated

21 Mar 2014

Importance

Recommended

Available formats

File Format:Non-Packaged
File Name:O990-A10.exe
Download Type:HTTP
File Size: 5MB
Format DescriptionThis file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
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.​
To ensure the integrity of your download, please verify the checksum value.
MD5:
2c1462fcef3ad3d8c7b830003d45cf37
SHA1:
1b07a6e17be9e1a19b4b0fa400b5fc38135ba7be
SHA-256:
Not available

By downloading, you accept the terms of the Dell Software License Agreement.

Compatible Systems

Supported Operating Systems

BIOS

Applies to

Dell Optiplex 990

Installation instructions


Important Information

Note:
You may run O990-A06.exe if you are already updated to A05 BIOS.
Otherwise, please update to A05 BIOS first and then flash to the lastest A-rev BIOS.
My Download List-#1 (0 )

Drivers help and tutorials

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.​

My download lists

My download lists enables you to create and save lists of drivers to install at a later time. Lists can only be saved by logging into your existing account or creating a new one, and selecting “Save this list.”
Learn more
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 applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).