Dell PowerEdge 850 - Manual (Page 84)

System Board Connectors
See Figure A -3 and Table A -2 for the location and description of the system board connectors.
Figure A-3. System Board Connectors
Table A-2. System Board Connectors
Riser Card Connectors
The system is available with either a PCIe riser card or a PCI-X/PCIe riser card. See Figure A -4 and Figure A -5 for the location and description of the expansion-
card slots on the two riser cards.
Figure A-4. PCIe Riser Card Connectors
Jumper Setting Description
PASSWD_EN
(default)
The password feature is enabled.
The password feature is disabled.
NVRAM_CLR
(default)
The configuration settings in NVRAM are retained at system boot.
The configuration settings in NVRAM are cleared at next system boot.
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Connector Description
12V power supply connector
BATTERY Connector for the 3.0 V coin battery
DAUGHTER_CONN1 Connector for the daughter card
DIMMn_ x Memory modules (4)
FAN Power connector for the fans
FRONT_PANEL Control panel interface connector
INTRUSION_SWITCH Connector for the chassis intrusion switch
PRI_IDE1 Optical drive interface connector
PROC Processor socket
PWR_CONN power supply connector
RISER_CONN1 Riser card interface connector
SATA_PORT_n Connectors for the SATA hard drives
USB_CONN Control panel interface connector