HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 130
shows the power supply cabling for the microtower and convertible minitower, systems.
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Power and Signal Distribution Figure 7-4 shows the power supply cabling for the microtower and convertible minitower systems. Power Supply 416224 P9 P10 P11 P6 P8 P4 P5 P3 P1 P4, P5, P9, P10, P11 5 4321 P8 432 1 P6 12 34 P1 13 P3 24 13 24 1 12 Conn P1 P1 [1] P3 P4, 5, 9, 10, 11 P6 P8 Pin 1 +3.3 +3.3 RTN +3.3 +12 +5 Pin 2 +3.3 -12 RTN RTN Pin 3 RTN RTN VccP +5.08 Pin 4 +5 PS On VccP RTN Pin 5 RTN RTN +12 Pin 6 +5 RTN Pin 7 RTN RTN RTN RTN +5 RTN RTN +12 Pin 8 POK Open Pin 9 5 aux +5 Pin 10 +12 +5 Pin 11 +12 +5 Pin 12 +3.3 RTN NOTES: Connectors not shown to scale. All + and - values are VDC. RTN = Return (signal ground) GND = Power ground RS = Remote sense POK = Power ok (power good) FC = Fan Command [1] This row represents pins 13-24 of connector P1. Figure 7-4. MT/CMT Power Cable Diagram 7-10 www.hp.com Technical Reference Guide