u/Crafto1337

Fujitsu Esprimo D756/E9X Intel Xeon

Hi,

I have an Fujitsu Esprimo D756/E9X (not sure if 94 or 90). It came with an Intel Core i3-6100.

I am using it as a homelab server. It's sufficient so far, but as more users find themselves using the server I thought it may be time for an upgrade. Thus I did some research and found the Intel Xeon E3-1245v5. It uses the same socket and some pages/articles claim they are compatible with the Q150 chipset of the D3431. I even found a store selling the Esprimo D756 with the Intel Xeon 1275v5.
(I might add links to the articles and the store later if I find them)

I bought the CPU and went to try it out... Upon powering on the system I can hear a relais click (from the PSU) and the power light on the front briefly turns on - then it turns off again.

The BIOS Version is R1.28.

Can anyone give me some more insight or maybe even point me to a solution?
Maybe a BIOS update is enough, maybe there is a modded BIOS or it is just restricted by Intel and/or Fujitsu.
I also can't entirely rule out I have a defective Xeon chip.

Thanks

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u/Crafto1337 — 6 days ago