AT138A HPE rx2800 i4 Itanium 9550 Processor Kit

AT138A is an Intel Itanium 9550 processor kit for the HPE Integrity rx2800 i4: 2.4 GHz, 4 cores and 32 MB of Level 3 cache. The spare processor is AT085-69024, a four core Itanium 9550 at 2.40 GHz (Poulson, 32 MB Level 3 cache, socket LGA1248).

AH395-67004 is the spare latch-type heat sink assembly, which includes the two locking tabs and the top latch. It must be replaced when a new processor is installed.

The 9550 has four cores and 32 MB of cache; the 9520 in AT104A also has four cores with 20 MB, and the 9560 in AT106A has eight cores with 32 MB. The server takes one or two of these processors, and processor frequencies cannot be mixed in a server. Each processor supports 12 DDR3 DIMMs.

Cache per core is 32 KB at Level 1 (16 KB instruction, 16 KB data) and 512 KB instruction plus 256 KB data at Level 2. Full width QuickPath Interconnect links provide 25.6 GB/s of bandwidth, with error detection, correction and lane failover, and Dynamic CKE saves power on the memory DIMMs.