Is it an S5500WB or an S5500WBR?
Your BIOS revision may not support the Xeon E5620:
There should be a sticker on the BIOS ROM IC's on the mainboard stating BIOS/BMC revision, or you can check your PBA / AA# against those listed on Pg. 8 (2. Product scope) of this document:
In short, S5500WBR's contain support for Xeon E5600 series processors, while the S5500WB will not until you can update it to an appropriate BIOS/firmware package using a Xeon E5500 series processor.
Exactly correct. I installed an E5503 processor and the board posted. I was then able to boot into EFI and install the latest firmware. Finally, I reinstalled the E5620 processor and everything is working fine now.
It would have saved me a lot of grief if the TPS manual would state that 5600 series processors are only supported with a certain BIOS version. Instead this direct quote from the TPS manual on page 15 would lead anyone that read it to think the board supports 5600 processors without pre-conditions.
3.3.1 Processor Support
The Intel® Server Board S5500WB supports the following processors:
o One or two Intel® 5500 series or 5600 series processor(s) in FC-LGA 1366 socket B package with 4.8 GT/s, 5.86 GT/s, or 6.4 GT/s Intel® QPI.
o Up to 95 W Thermal Design Power (TDP).
o Supports Low Voltage (LV) processors.
Anyway, thanks for your help. I don't think I could have figured this out without it.