Signal Distribution - HP dx7300 Technical Reference Manual

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