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Chapter 2
Installation
Unpacking the Server
32
Processors
Each cell board can hold up to four processors. Processor slots are numbered 0-3. Install processors in
ascending order: slot 0, 1, 2, and 3. It is not necessary to balance the number of processors across both cell
boards.
Figure 2-18 Cell Board (Two processors and CC Shown)
DIMMs
Each cell board can hold up to four quads (or ranks) of DIMMs. A rank is a group of four DIMMs. Each DIMM
within a rank must be the same capacity. The slots within each rank are numbered a,b,c,d. Install DIMMs in
ascending order: rack 0, 1, 2 and 3. It is not necessary to balance the number of DIMMs across both cell
boards. For Example: one rank = slots 0a, 0b, 0c and 0d.
Valid Memory Configurations DIMMs must be loaded in sets of four at specific locations. For best
performance, loading sets of 8 DIMMs is recommended.
The hp rp7405/rp7410 is capable of supporting as little as 2 Gbytes of main memory using four 512 MByte
DIMMs and one cell board and as much as 32 Gbytes using all 16 DIMM slots on both cell boards with 1GB
DIMMs.
Table 2-1 hp rp7405/rp7410 DIMMs
DIMM Capacity Total Capacity Memory Component Density
512 Mbyte 16 GBytes 128 Mbit
1G Byte 32 Gbytes 256 Mbit
Processor 1
Processor 0
Processor 3
Processor 2
Cell Controller