Dell PowerEdge 650 - Manual (Page 4)

Backplane Board Connectors
See Figure A -4 and Table A -3 for the location and description of the backplane board connectors.
Figure A-4. Backplane Board Connectors
Table A-3. Backplane Board Connectors
Riser Card Connectors
See Figure A -5 and Table A -4 for the location and description of the backplane board connectors.
Figure A-5. Riser Card Connectors
JP2 Power connector for the expansion-card fan
Connector Description
IDE0 Data interface connector for the IDE hard drive 0
JP1 Power connector for the IDE hard drive 0
IDE1 Data interface connector for the IDE hard drive 1
JP21 Power connector for the IDE hard drive 0
CN1 Interface connector for the CD/diskette drives
J3 Control panel interface connector
J2 Power supply connector
U3 +12 V connector
SLT1 System board interface connector