Download Files
File Format: This 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.
File Name: O390-A09.exe
File size: 2.75 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: e5717a7b54ad917764287b83e3d7f645
SHA1: 3402bf48d53fc9eaaabb80d67672f5d118024960
SHA-256: f2758266e74fc07ab6b5cbf8208b3631f5c2fc920607edda09d3ad456c75d411
Important Information
Please note that if the A01 or before A01 BIOS is currently installed on your system
you must first update to A02 BIOS and then flash to the latest A-rev BIOS.
Supported Operating Systems
Installation instructions
Download file to Desktop
The file O390-A09.EXE is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.
Click Download now.The File Download window appears.
Click the Save button.The Save As window appears.
Select Desktop using the drop-down menu to the right of Save in.
Click the Save button.A progress meter moves as the download is completed.
If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.
NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded.
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Run the BIOS update utility from Windows environment
Double click the Icon on your desktop labeled O390-A09.EXE.The Dell BIOS Flash window appears
Click the Continue button.The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears.
Click the OK button.The system will restart and the BIOS Flash will be completed.
Run the BIOS update utility from DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS diskette. This executable file does not create the DOS system files.
Copy the file O390-A09.EXE to a bootable floppy.
Boot from the floppy to the DOS prompt.
Run the file by typing Y:\O390-A09.EXE (where y is the drive letter where the executable is located).