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Anleitung Zusammenfassung
System configuration guidelines
NOTE: Some PCI-X 133 MHZ slots on Integrity Servers have higher bandwidth than other PCI-X 133 MHZ slots
on the server. In this whitepaper, we will refer to these higher bandwidth PCI-X 133 MHZ slots as high
performance PCI-X 133 MHZ slots.
rx2600
The rx2600 is a 2-way entry-level Integrity server with 4 PCI-X 133MHz slots. A6826A adapters installed in an
rx2600 server offer a great scalable solution.
rx4640
The rx4640 is a 4 way entry level Integrity server with eight I/O slots. Slots 1 and 2 are reserved for core SCSI
and core LAN. Slots 3, 4, 5, and 6 are shared slots operating at 3.3v, 64-bit PCI-66MHz. Slots 7 and 8 are high
performance PCI-X 133MHz slots. In order to achieve linear scalability with up to four A6826A adapters, HP
recommends the first two A6826As be installed in slot 7 and slot 8, the next two A6826As should be installed in
the shared slots, but avoid installing A6826A adapters in adjacent shared slots.
rx7620 / rx8620
The rx7620 and rx8620 are cell based mid-range Integrity servers. The I/O subsystem in the rx7620 and rx8620
offers 16 PCI-X 133MHz slots when these servers are configured with 2 cells. Fourteen of the sixteen slots are high
performance PCI-X 133MHz slots. HP recommends A6826A adapters be installed in high performance PCI-X
133MHz slots (Physical slot numbers 1, 2, 3, 4, 5, 6, 7) to achieve the performance demonstrated in this paper.
To obtain linear scalability, HP recommends the rx7620 or rx8620 be configured with a 2-cell partition: Two
A6826As should be installed in any of the PCI-X slots numbered 1 to 7 and a maximum of two A6826As should
be installed in any of the PCI-X slots numbered 9 to 15. Each cell should be configured with a multiple of 8 equal
capacity DIMMs to take advantage of memory interleaving. The DIMMs on a cell should be evenly distributed
across the busses.
HP Integrity Superdome
The HP Integrity Superdome is a cell based high-end Integrity server. Each Superdome I/O Cage subsystem offers
4 high performance PCI-X slots capable of delivering 1066MB/s peak bandwidth. HP recommends A6826A
adapters be installed in high performance PCI-X slots (Physical slot numbers 4, 5, 6, 7) to achieve the
performance demonstrated in this paper. To obtain the linear scalability demonstrated in this paper, an Integrity
Superdome partition should be configured with at least two cells with 8 Gb of physical memory and not more than
two A6826As should be installed in any of the four high performance slots in each I/O cage. Each cell should be
configured with a multiple of 8 equal capacity DIMMs to take advantage of memory interleaving. The DIMMs on
a cell should be evenly distributed across the busses.
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