Compaq Deskpro EP 6233 - Power Distribution

Technical Reference Guide
Compaq Deskpro EP Series of Personal Computer
First Edition – April 1998
6-5
6.3 POWER DISTRIBUTION
6.3.1 3/5/12 VDC DISTRIBUTION
The power supply assembly includes a multi-connector cable assembly that routes +3.3 VDC, +5
AUX, +5 VDC, -5 VDC, +12 VC, and -12 VDC to the system board and +/-5 and +/-12 to the
individual drive assemblies.
Connector Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10
P1 +3.3 +3.3RS RTN +5 RTN +5 RTN Fan Off +5AUX +12
P1 [1] +3.3 -12 RTN PS On RTN RSRTN RTN -5 +5 +5
P2-P4, P6 +12 GND GND +5
P5, P7 +5 GND GND +12
NOTES:
[1] This row represents pins 11-20 of the P1 connector.
All + and - values are VDC
.
RTN = Return (signal ground)
GND = Power ground
RS = Remote sense
= Deviation from ATX standard. PWR GD signal is produced by the south bridge component.
Figure 6–2.
Power Cable Diagram
Power Supply
Assembly
(SP# 308356-001)
Drive
Assemblies
P1
P7
P4
P3
System
Board
1 2 3 4
P2-P6
P7
4 3 2 1
P5
P6
P1 (ATX-type)
1
12 2011
2 5 4 3 7 8 6 9
14
10
13 16 1715 18 19
P2