Memory Riser
and DIMM FRU Names
The server can contain 16 DIMMs. Eight DIMMs are installed on the motherboard. An optional
eight DIMMs can be installed on two memory risers, mounted on the motherboard above the
initial DIMMs. Four DIMMs are installed on each memory riser.
Labels on the transparent airflow cover identify the naming of memory risers and DIMMs.
DIMM FRU names are based on the location of the DIMM on the motherboard or on one of the two
memory risers. For example, the full FRU name for the DIMM slot on the motherboard
farthest from the power supplies is /SYS/MB/CM/CMP/BOB21/CH0.
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Left Memory Riser
1
2
3
4
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/SYS/MB/CM/CMP/MR1 (riser)
/SYS/MB/CM/CMP/MR1/BOB00/CH0
/SYS/MB/CM/CMP/MR1/BOB00/CH1
/SYS/MB/CM/CMP/MR1/BOB10/CH0
/SYS/MB/CM/CMP/MR1/BOB10/CH1
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Black
White
Black
White
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Left motherboard
5
6
7
8
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/SYS/MB/CM/CMP/BOB11/CH0
/SYS/MB/CM/CMP/BOB11/CH1
/SYS/MB/CM/CMP/BOB31/CH0
/SYS/MB/CM/CMP/BOB31/CH1
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Black
White
Black
White
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Right motherboard
9
10
11
12
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/SYS/MB/CM/CMP/BOB01/CH1
/SYS/MB/CM/CMP/BOB01/CH0
/SYS/MB/CM/CMP/BOB21/CH1
/SYS/MB/CM/CMP/BOB21/CH0
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White
Black
White
Black
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Right memory riser
13
14
15
16
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/SYS/MB/CM/CMP/MR0 (riser)
/SYS/MB/CM/CMP/MR0/BOB20/CH1
/SYS/MB/CM/CMP/MR0/BOB20/CH0
/SYS/MB/CM/CMP/MR0/BOB30/CH1
/SYS/MB/CM/CMP/MR0/BOB30/CH0
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White
Black
White
Black
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