Intel S7000FC4UR Technical Product Specification page 130

BIOS Initialization
14.2.1.2 FBDIMM Sockets
Each memory riser board supports eight FBDIMM sockets for a total of 32 FBDIMM sockets.
The memory riser board FBDIMM sockets are silk screened from DIMM_1 to DIMM_8
sequentially from the top to bottom of the board.
14.2.1.3 DIMM Fault LED
Each memory riser board supports one DIMM Fault LED for each FBDIMM that is used to report
DIMM failures and error conditions. There are no other LEDs supported on the memory riser
boards.
14.2.1.4 Memory Branches
The chipset supports two memory branches, referred to as Branch 0 and Branch 1.
14.2.1.5 Memory Channels
Each memory branch consists of two channels. The memory channels are identified as Channel
0, 1, 2, and 3.
Each memory riser board slot is connected to a memory channel.
The Memory Riser Board A connector on the main board is routed to Branch 0,
Channel 0.
The Memory Riser Board B connector on the main board is routed to Branch 0,
Channel 1.
The Memory Riser Board C connector on the main board is routed to Branch 1,
Channel 2.
The Memory Riser Board D connector on the main board is routed to Branch 1,
Channel 3.
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Intel® Server System S7000FC4UR
Revision 1.0