Appendix B Signal Descriptions B-15
B.2.5 IDE Power Connector
Power for the hard drive and the optical drive is supplied from the motherboard
through connector IDE PWR.
FIGURE B-11 identifies the IDE power connector.
FIGURE B-11 IDE Power Connector
TABLE B-19 lists the pinout for this connector.
B.2.6 Power Supply Connectors
There are three connectors which attach the power supply to the motherboard: PS0,
PS1, and PS2.
FIGURE B-12 identifies the three connectors.
35 A0
36 A2
37 CS1
38 CS3#
39 none
40 Ground
TABLE B-19 IDE Power Connector IDE PWR Pinouts
Pin Signal
1 +12 V
2 Ground
3 Ground
4 +5 V
TABLE B-18 IDE Interface Connectors IDE PRI and IDE SEC Pinouts (Continued)
Pin Signal
14