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.
Dell OptiPlex 990 System BIOS, A06
AUTO INSTALLEDThis file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
OptiPlex 990 System BIOS
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Fixes & Enhancements
Defects Fixed: 1. Fix Forced Boot to CD support for Sandybridge UMA Platforms 2. Correct INT13 handler for ATA mode when system is under virtual x86 mode 3. DF477841: All 250GB drives show as 249GB in the BIOS. 4. DF479402: [REC LT] HDD slow performance with POINTSEC software installed 5. Pink Panther: Fixed Blinking Cursor Issue. 6. Fixed USB handoff sequence broken 7. DF476106: KG:UUT easily hang if write data and save on Hitachi HDD under DOS w/ AHCI mode. 8. DF480677: Can't boot to HDD attached to SCU if SATA ODD attached 9. DF463483: B/LSN:Auto reboot when booting to USB unbootable ODD from Boot Menu 10. DF477727: B/LSN:MEBx still can be entered by pressing Ctrl-P during POST after ME disabled 11. DF470840:BS:USB Key can't boot to DRMK with SAS HDD attached 12. DF476090: After disable NIC in BIOS menu, the BIOS menu will show wrong MAC address 13 DF462270: fixed that No SATA device BSOD in Win PE by intel recommend Changes: 1. CR468958: Create and Define SMBIOS Token to manage Control WLAN/WWAN Radio 2. Pink Panther: Update Gpe Orom 1.02. 3. Update to latest Intel microcode patch (MOB_P_10) 4. Support KillTPM feature and token. 5. Added Signed Firmware Update Transition BIOS. 6. CR484081:Pink Panther: System set to ATA or AHCI mode prompts message on every boot 7. CR485006:Pink Panther: Cato board SSVID and SSID values are zero 8. Updated Intel System Agent reference code to 1.2.0 9. Updated Intel PCH Reference Code to 1.2 10. Updated Intel PPM Reference Code to v1.2.1.1 11. Set KEY_TRANSITION_RELEASE to "0" for digital sign 12. BBSManager issue (it will cause ePSA to hang with >= 4GB RAM installed on B/LS/N)
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
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.