Dell DCS 6105 Motherboard BIOS upgrade

How to update DCS 6105 BIOS to Dell Power Edge c6105 BIOS in order to support AMD Opteron 4300 series CPU.

Download Dell PowerEdge c6105 BIOS version 2.2.0 which is the first version that support Opteron 4200 and 4300 series.

Download PEC6105BIOS020200.exe floppy image and extract to your bootable DOS USB disk. You just need to use 6105v220.ROM image to flush BIOS.

You need to download AMI bios utility AFUDOS.exe version 4.4 and put into bootable USB disk.

You can use rufus to make bootable usb. just select FreeDOS before you click Start.

After booting to the USB, run the following command

afudos 6105v220.rom /P /B /N /C /E /K /X

Below image is before upgrade , version is S2G_3A21. Build Date: 06/03/11.

After upgrade, the version become 2.2.0. You can see the process or Opteron 4164 EE. You have to use Opteron 4100 series CPU to upgrade the BIOS.

After booting to windows, i was able to directly upgrade to 2.5.0 by running the file C6105_BIOS_7FPJX_WN64_2.5.0.EXE
After the upgrade I have tested with AMD Opteron 4386 3.1 Ghz and working great.

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