Chapter 1
HP Integrity rx8640 and HP 9000 rp8440 Server Overview
Detailed Server Description
27
Figure 1-9
DIMM Slot Layout
Cells and nPartitions
An nPartition comprises one or more cells working as a single system. Any I/O chassis that is attached to a
cell belonging to an nPartition is also assigned to the nPartition. Each I/O chassis has PCI card slots, I/O
cards, attached devices, and a core I/O card assigned to the I/O chassis.
Table 1-3
DIMM Load Order
Number of DIMMs
Installed
Action Taken
DIMM Location
on Cell Board
Quad Location
2 DIMMs = 1 rank
Install first
0A and 0B
Quad 2
4 DIMMs = 2 rank
Add second
1A and 1B
Quad 1
6 DIMMs = 3 rank
Add third
2A and 2B
Quad 3
8 DIMMs = 4 rank
Add fourth
3A and 3B
Quad 0
10 DIMMs = 5 rank
Add fifth
4A and 4B
Quad 2
12 DIMMs = 6 rank
Add sixth
5A and 5B
Quad 1
14 DIMMs = 7 rank
Add seventh
6A and 6B
Quad 3
16 DIMMs = 8 rank
Add last
7A and 7B
Quad 0
Rear Edge of Cell Board
Front Edge of Cell Board
(Plugs into Server Backplane)
Quad 1
Quad 0
Quad 2
Quad 3
1A
1B
5B
5A
7A
7B
3B
3A
6A
6B
2B
0A
4B
4A
2A
0B
Summary of Contents for Integrity rx8640
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