Intel® Server System S7000FC4UR TPS BIOS Initialization
Revision 1.0
139
Command Request / Response Data Description
For Bytes 2–6 a bitmap format is
supported where each bit corresponds to
one FBDIMM socket on the memory riser
board indicated in Byte 1 Group ID field:
[0] = DIMM_1
[1] = DIMM_2
[2] = DIMM_3
[3] = DIMM_4
[4] = DIMM_5
[5] = DIMM_6
[6] = DIMM_7
[7] = DIMM_ 8
Byte 2
1 = Slot/Socket exists
0 = Slot/Socket does not exist
Note: This byte must always supply the
physical slot/socket bitmap regardless of
whether they are currently populated with
FBDIMM modules.
Note: This byte should always be 0xFF
on since each memory riser board
supports 8 physical FBDIMM sockets.
Byte 3
1 = FBDIMM marked as failed
0 = FBDIMM is good
Byte 4
1 = FBDIMM is disabled
0 = FBDIMM is good
Byte 5
1 = FBDIMM is marked as spare
0 = FBDIMM is primary FBDIMM,
not spare
Byte 6
1 = FBDIMM is present
0 = FBDIMM is not present
Note: Set DIMM State accepts a
minimum of 1 byte when setting the group
to not Present, otherwise all 6 bytes are
needed.
Example:
Byte 1 = 0x03 and Byte 6 =
0x01 means Memory Riser Board A is
present. Only DIMM_1 is populated on
Memory Riser Board A.
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