From the CUIC BOM
"Unified IC is supported on MCS-7845 servers or their equivalents as described in the HP and IBM server links from this page:"
MCS-7845-I3-CCE1
CPU: XE5540
2.53 GHz
1 CPU 4 Core
6GB RAM
4x146GB SAS
Doesn't help with specific IBM or HP servers but that should get you started.