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.

Page 130 highlights

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

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7-10
www.hp.com
Technical Reference Guide
Power and Signal Distribution
Figure 7-4 shows the power supply cabling for the microtower and convertible minitower
systems.
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
Conn
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin
10
Pin
11
Pin
12
P1
+3.3
+3.3
RTN
+5
RTN
+5
RTN
POK
5 aux
+12
+12
+3.3
P1 [1]
+3.3
-12
RTN
PS On
RTN
RTN
RTN
Open
+5
+5
+5
RTN
P3
RTN
RTN
VccP
VccP
P4, 5, 9,
10, 11
+3.3
RTN
+5.08
RTN
+12
P6
+12
RTN
RTN
+5
P8
+5
RTN
RTN
+12
Power Supply
416224
P1
P5
P1
13
1
12
P4, P5, P9, P10, P11
24
12
34
1
2
3
4
5
1
2
3
4
P8
P3
P6
P4
P3
P6
1
3
2
4
P10
P9
P11
P8