Question about Dell PowerEdge 1600SC Server

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Adding second CPU

I am trying to add a second identical 3.2 GHz Xeon CPU to my 1600sc server. With both CPUs & fans installed, the server will not pass POST and I get no video, no beeps. Running one CPU works fine and I've swapped the two CPUs into the CPU1 position with no problem. But it won't boot with two CPUs installed. Ideas?

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  • dontop May 15, 2008

    I was able to resolve the problem with the help of the Dell Microprocessor Upgrade Installation Guide which Mike (MDoe) provided a link to. The solution was to flash the system BIOS to the most current release. I was on BIOS release 5 and upgrading to release 12 fixed the problem. Thanks for pointing me in the right direction!

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Hi

Did you receive a VRM with the the PRC upgrade kit? And have you installed it?

The following items are/should be included in a microprocessor upgrade kit:
• A microprocessor (PRC)
• A heat sink
• Heat-sink retention clip(s)
• A voltage regulator module (VRM),
Your upgrade kit may also include a cooling fan.

If you are adding a secondary microprocessor, examine the VRM to ensure that it is the correct VRM for your system. Install the VRM in the appropriate secondary VRM connector, ensuring that the latches at each end of the connector engage. If you received two VRMs with the upgrade kit, replace the primary VRM already installed in the system with one of the VRMs from the upgrade kit.
Note: The system does not support mismatched VRMs.

Check PE1600sc Microprocessor Upgrade Installation Guide - http://support.dell.com/support/edocs/systems/pe1600sc/multlang/proc/9D904A05.pdf

Let me know how you get on

Mike

Posted on May 14, 2008

  • Mike Doe
    Mike Doe May 16, 2008

    Hi Dontop



    Thanks for the update. It is good to know the BIOS upgrade fixed the issues.



    I need to point out that you figured this out yourself; congratulations. It seems my there are two treads on this query. It late posted the BIOS the other one. In any case you got it first and deserves all the credit.



    Mike

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Hi

Yes, some systems (newer PowerEdge Servers, generally 6/7th Generation and above) have onboard VRMs.

1600sc is a 6th gen PowerEdge (with Simple Computing). I can checked and be absolute certain from within Dell. I'm on VAC until Saturday.

In the meantime, check the PRC model and revision and ensure that they match. Given that a single PRC POST/Boots, try upgrading (if not already) the system BIOS to latest revision.

If the PRC model/revision does match and you have the latest BIOS version, also if the VRMs are not needed, then from the Troubleshooting you have already done, we may conclude that the PRC 2 slot is faulty.

I will confirm the VRM query on Saturday.

PowerEdge 1600SC, BIOS A12 Update Package for Microsoft Windows - http://ftp.us.dell.com/bios/PE1600SC-BIOS-WIN-A12.exe
PowerEdge 1600SC, BIOS A12 Floppy Update Package - http://ftp.us.dell.com/bios/PE1600SC-BIOSA12.exe

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