Dell PowerEdge 850 Installation And Troubleshooting Manual page 4

Table A-2. System Board Connectors
Connector Description
12V Power connector
BACK_FAN Fan power connector
BATTERY Connector for the 3.0-V coin battery
BP_I2C Connector for the baseboard management controller (BMC) inter-IC (I2C) cable for the optional SCSI backplane
CPU Processor connector
DIMMn_ x Memory module connector (4)
FDD Diskette drive connector
FRONT_FAN Fan power connector
FRONT_PANEL Control panel connector
IDE IDE optical device connector
SLOT_n PCI expansion slot connector
PWR_CONN Power connector
RAC_CONN Connector for the remote access controller (RAC)
SATA_n SATA hard-drive connector
SCSI Backplane Connectors
See Figure A-4 for the location and description of the connectors on the back of the optional SCSI backplane board.
Figure A-4. Connectors on Back of SCSI Backplane