PE2950 Won't Run Quad-Core CPU

[Chance Reschke]

Hi,

This system has the "II" sticker on the front.

  - C

--
Chance Reschke
Biochemistry Department
University of Washington



On Feb 4, 2008, at 11:09 PM, Rarach wrote:

> Hi,
>
> problem is probably in your motherboard. Your revision of MB is  
> older and it doesn't support this new Clowertown Quad Core CPU.  
> Check if your PE2950 has "II" on front bezel. If not, your server  
> isn't ready for this CPUs.
>
> Vladimir
>
>
>
> 2008/2/5, Chance Reschke <reschke at bakerlab.org>:
> Hi,
>
> Just today I swapped the CPU in one of our PE2950 hosts from the dual-
> core it came with for a shiny new quad core.  Unfortunately, it
> doesn't work.  Any help in getting this sorted out would be great.
>
> Details:
>
> The host has the II sticker on the front which Dell claims is the
> badge of approval for quad-core compatibility.
>
> The original CPU was an Intel Xeon, model 5148  @ 2.33GHz and was
> running fine under BIOS v1.02.
>
> The new CPU is an Intel Xeon, model 5355 @ 2.66Ghz.  The label on the
> Dell anti-static bag it shipped in is GW622.
>
> The Dell quote for the new CPU said:
>
>    Quad Core Xeon 2nd Processor X5355 2x4MB Cache, 2.66GHz 1333MHz
> FSB, PE2950, Customer Install (311-6970)
>
> When I powered up the host with the original BIOS it displayed the
> correct CPU identification, then after performing the BMC
> initialization, it complained in yellow text on a blue background:
>
>     Unsupported CPU Combination.
>     System Halted!
>
> I then upgraded the BIOS to 2.0.1 (required reinstalling the original
> CPU), and tried again with the same results.
>
> Any ideas?
>
> Thanks,
>
> Chance
>
>
> --
> Chance Reschke
> Biochemistry Department
> University of Washington
>
>
>
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>
> -- 
> vladovo.mistecko.cz