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Question posted by maschoen on November 30th, 2012

Why Does The Z820 Need A 2nd Cpu To Be Able To Use Pcie Slot #4?

This feature is mentioned here: http://h18004.www1.hp.com/products/quickspecs/14264_na/14264_na.pdf

Current Answers

Answer #1: Posted by freginold on December 2nd, 2012 4:47 AM
This answer was accepted by the poster of the original question.
freginold

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Hi, without taking this computer apart it would be hard to say exactly, but the most likely reason is that the fourth PCIe slot runs off a bus that would be connected to the second CPU, so if there is not a second CPU that bus is severed from the rest of the motherboard and unable to be utilized.

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...Using your workstation are supported by the specific release of the Linux Workstation user manual at http://www.rhn.redhat.com/network/software. 2. NOTE: For the most recent matrix, visit http://hp.com...5: Under "Red Hat Enterprise Linux 5 (x86 or x86_64)," select downloads for Red Hat Enterprise Linux Desktop 5. ● For Red Hat Enterprise Linux WS 6: Under "Red Hat Enterprise Linux 6 (x86 ...
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