HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 129
shows the power supply cabling for the SFF/ST systems.
UPC - 882780715318
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Power and Signal Distribution Figure 7-3 shows the power supply cabling for the SFF/ST systems. Power Supply 403778 P4 P7 P5 P2 P3 P1 P4, P5, P7 5 4321 P2 432 1 P1 13 4 P3 6 1 3 24 1 12 Conn P1 P1 [1] P2 P3 P4, 5, 7 Pin 1 +5 aux +12 +5 RTN +3.3 Pin 2 RTN Pin 3 + 5 +5 sns RTN RTN RTN RTN RTN RTN +5 Pin 4 +5 +5 +12 VccP RTN Pin 5 PS On Pin 6 RTN Pin 7 Pwr Gd Pin 8 +3.3 Pin 9 +3.3 +5 +3.3 RTN +3.3 sns +3.3 VccP +12 +12 Pin 10 Tach +3.3 Pin 11 RTN RTN Pin 12 Fan -12 Connectors not shown to scale. All + and - values are VDC. RTN = Return (signal ground) sns = sense GND = Power ground RS = Remote sense FC = Fan command FO = Fan off FSpd = Fan speed FS = Fan Sink POK = Power OK (power good) VccP = +12 for CPU [1] This row represents pins 13-24 of connector P1 Figure 7-3. SFF/ST Power Cable Diagram Technical Reference Guide www.hp.com 7-9