Snippet from sysconfig:
slot 0: System Board 2.1 GHz (System Board XX C0)
Model Name: FAS8040
Part Number: 111-01209
Revision: C0
Serial Number: XXXXXXXXXXXX
BIOS version: 9.1.1
Loader version: 5.1
SEQ CPLD version: 1.14
NVRAM CPLD version: 1.0
Processors: 8
Processor ID: 0x206d7
Microcode Version: 0x710
Processor type: Intel(R) Xeon(R) CPU E5-2658 @ 2.10GHz
Memory Size: 32768 MB
Memory Attributes: Bank Interleaving
Hoisting
Channel Interleaving
Chipkill ECC
CMOS RAM Status: OK
E5-2658 has 8 cores and 20MB cache.
http://ark.intel.com/products/61428/Intel-Xeon-Processor-E5-2658-20M-2_10-GHz-8_0-GTs-Intel-QPI