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nPartition Administrator's Guide > Chapter 2 nPartition Server Hardware Overview

sx1000 Chipset for HP Servers


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The second generation of cell-based servers is built around the HP sx1000 chipset. The sx1000 chipset supports both single-core and dual-core processors, including both HP PA-RISC and Intel Itanium 2 processors.

The following servers use the HP sx1000 chipset:

  • PA-RISC servers — HP rp7420, HP rp8420, HP 9000 Superdome (SD16A, SD32A, and SD64A models).

  • Itanium 2-based servers — HP rx7620, HP rx7620-16, HP rx8620, HP rx8620-32, HP Integrity Superdome (SD16A, SD32A, SD64A models).

The HP sx1000 chipset provides a scalable server architecture with high-bandwidth processor, memory, and I/O busses. The HP sx1000 chipset includes interconnecting components such as memory buffers, I/O bus adapters and host bridges, and cell controllers, which have built-in low-level error correction.

One notable administration feature of HP servers built around the HP sx1000 chipset is management processor (MP) support for access to the server using IPMI over LAN. For details see “Remote and Local Management of nPartitions”.

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