I tried to upgrade a system (which I built 3 years ago) from a single
2.4GHz Xeon processor (533FSB) to dual 3.06GHz Xeon processors (also
533FSB) on the Supermicro X5DEI-GG motherboard. The processors are
identical stepping codes. Both have 1MB L2 cache.
After installing both processors, the system refused to POST. No beeps,
no video, just dead.
I removed the 2nd processor and the system booted fine. It recognized
the processor at the 3.06GHz speed.
I swapped the processors and the 2nd processor worked fine when
installed as the only processor in the system.
I do not believe that the processors are bad, since they each work
properly when installed as a single processor in the system.
No matter what I did, the system would still not POST with both
processors installed in any arrangement.
The BIOS displays that it is version "7.00.xx" on POST. The system has a
beefy Antec Truepower 550 watt power supply with all of the proper
connectors. The system has been running successfully for several years.
Does anyone have any suggestions as to how I can get both processors
running in this system?
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