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HP N4000 (rp7405/rp7410, N-Class)

Quick Facts
Introduced 2002
CPU 2-8 PA-8700/
2-8 PA-8800/
2-8 PA-8900
650-1100 MHz
Caches 2.25-3 MB L1
0-64 MB L2
RAM 64 GB
Design Cell
Drives 5 SCSI
Expansion 16 PCI
Bandwidth CPU 8-16 GB/s
XBAR 8 GB/s
Mem 4-8 GB/s
XBAR-I/O 4 GB/s
I/O 8.4 GB/s
I/O SCSI
1/3 serial
GigE
100E console

Overview

The HP rp7405/rp7410 N4000 N-Class servers are up to 8-way multiprocessing servers and the then smallest HP system which could be hardware-partitioned into logical servers, two nPartitions. Based upon the same 10U rack-mountable chassis as their rp7400/N4000 brethren, the newer rp7405 and rp7410 are built around a completely overhauled system and I/O architecture. The Core Electronic Complex is a modified version of the Superdome’s cell-based system architecture, limited to two cells, which each contain up to four processors, sixteen memory slots and the central chipset.

The rp7405 was apparently an entry-level version of the rp7410 — based on the same hardware and with the same capabilities but shipped in smaller configurations. Upgrades to a full rp7410 were later possible, probably including a modified firmware for unlocking the full functionality.

Internals

CPU

The rp7405 and rp7410 support from two to eight processors. They are based on different system boards with different model numbers.

Processor types are indicated with the following suffixes:

Chipset

» View a system-level illustration (ASCII) of the rp7405/rp7410 system/bus architecture.

Buses

Memory

Expansion

There are up to 16 PCI 64-bit/66 MHz slots in the I/O cage, which can be fully accessed when using a system with two cells — with one cell board only seven slots are available. One PCI slot is dedicated to the Core I/O card set (see above) so only 15 of the 16 PCI slots are available for expansion options.

Drives

External connectors

References

Manuals

Operating systems

Benchmarks

Model SPEC2000, int SPEC2000, fp SPEC2000
rate, int
SPEC2000
rate, fp
N4000-7X
rp7410
4-CPU: 25.3
8-CPU:49.9
4-CPU: 18.9
8-CPU:36.8

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