Memory Riser and DIMM FRU Names
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/BOB00/CH0.
Note - DIMM names that include CH0 have black ejectors and DIMM names that include CH1
have white ejectors.
Physical Location (Seen From Rear) Memory Riser or DIMM FRU Name
Left Memory Riser
1
2
3
4
/SYS/MB/CM/CMP/MR1 (riser)
/SYS/MB/CM/CMP/MR1/BOB11/CH0
/SYS/MB/CM/CMP/MR1/BOB11/CH1
/SYS/MB/CM/CMP/MR1/BOB31/CH0
/SYS/MB/CM/CMP/MR1/BOB31/CH1
Left motherboard
/SYS/MB/CM/CMP/BOB30/CH0
86 SPARC T8-1 Server Service Manual • January 2022
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