Technical Reference Guide
Compaq Deskpro EXS and Workstation 300 Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition - December 2000
6-5
6.3 POWER
DISTRIBUTION
6.3.1 3.3/5/12 VDC DISTRIBUTION
The power supply assembly includes a multi-connector cable assembly that 3.3 VDC, +5
VDC, -5 VDC, +12 VC, and -12 VDC to the system board as well as to the individual drive
assemblies. Figure 6-2 shows the power supply cabling for Deskpro EXS and Workstation 300
series units.
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
AuxRtn
FO
+5 Aux
+12
+3.3Aux
FSpd
P1 [1]
+3.3
-12
Rtn
PS On
RTN
RSRTN
RTN
-3.3
+5
+5
+3.3RS
FS
P2, 4-7
+5
GND
GND
+12
P3
GND
GND
+12.8
+12.8
NOTES:
Connectors not shown to scale.
All + and - values are VDC
.
RTN = Return (signal ground)
GND = Power ground
RS = Remote sense
FO = Fan off
FSpd = Fan speed
FS = Fan Sink
[1] This row represents pins 13-24 of connector P1.
Figure 6–2
. Power Cable Diagram
P7
4 3 2 1
P1
1
12
11
2
5
4
3
7
6
14
10
13
8 9
15 16 17 18 19 20 21 22 23 24
Power Supply
Assembly
(SP# 195196)
To
Drive
Assemblies
P1
P7
To
System
Board
P6
P4
P2
P5
P3
1
2
3
4
P3
1 2 3 4
P2-P6
Содержание Deskpro EXS
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