Dell PowerEdge 6850 System Installation Manual page 4

Table A-2. System Board Connectors
Connector Description
BATTERY Connector for the 3.0-V coin battery
BKPLN SIG Backplane interface cable connector
PROC_n Processor connector (4)
CPU3 VRM, CPU4 VRM Voltage regulator modules (VRMs) for processors 3 and 4
CPU 3&4 CACHE VRM Reserved
FIBRE CHAN Integrated Fiber Channel module card
MEM A, B, C, D Memory riser card connector (4)
NVRAM_CLR NVRAM jumper. See Table A-1.
PASSWD Password jumper. See Table A-1.
SCSI_A, SCSI_B Connectors for the integrated SCSI controller (2)
SLOT n Expansion slot connector (7)
RAID_BAT Connector for the optional RAID battery
RAID_DIMM Connector for the optional RAID memory module
RAID_KEY Connector for the optional RAID key
RMC Connector for the remote access controller (RAC)
Memory Riser Card Connectors
See Figure A-4 for the location of the connectors on the memory riser card.
Figure A-4. Memory Riser Card Connectors