Compaq d538 HP Compaq Business Desktop d500 Service Reference Guide, 5th Editi - Page 182
Pin Power, Pin Power for CPU, SATA Data and Power, Connector, Signal, Connector and Icon
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Connector Pin Assignments 20-Pin Power Connector 20 11 10 1 Pin Signal Pin Signal 1 +3.3 V 2 +3.3 V 3 GND 4 +5 V 5 GND 6 +5 V 7 GND 8 POK 9 +5 Vaux 10 +12 V *Open for d300 series computers; -5V for all others Pin Signal 11 +3.3 V 12 -12 V 13 GND 14 PSON 15 GND 4-Pin Power (for CPU) Connector and Icon Pin Signal 1 GND 2 GND 3 +12 V 4 -12 V SATA Data and Power Drive Connector Pin Signal 16 GND 17 GND 18 open* 19 +5 V 20 +5 V Pin Signal Pin Signal S1 Ground S5 B- S2 A+ S6 B+ P1 V 3.3 P5 Ground P9 V 5 P13 V 12 P2 V 3.3 P6 Ground P10 Ground P14 V 12 *S = Data, P = Power Pin Signal S3 AS7 Ground P3 V 3.3 P7 V 5 P11 Reserved P15 V 12 Pin Signal S4 Ground P4 Ground P8 V 5 P12 Ground A-8 336492-005 Service Reference Guide, d300
A–8
336492-005
Service Reference Guide, d300
Connector Pin Assignments
20-Pin Power
Connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
+3.3 V
+3.3 V
GND
+5 V
GND
6
7
8
9
10
+5 V
GND
POK
+5 Vaux
+12 V
11
12
13
14
15
+3.3 V
-12 V
GND
PSON
GND
16
17
18
19
20
GND
GND
open
*
+5 V
+5 V
*
Open for d300 series computers; -5V for all others
4-Pin Power (for CPU)
Connector and Icon
Pin
Signal
1
GND
2
GND
3
+12 V
4
-12 V
20
10
11
1
Drive Connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
S1
S5
Ground
B-
S2
S6
A+
B+
S3
S7
A-
Ground
S4
Ground
P1
P5
P9
P13
V 3.3
Ground
V 5
V 12
P2
P6
P10
P14
V 3.3
Ground
Ground
V 12
P3
P7
P11
P15
V 3.3
V 5
Reserved
V 12
P4
P8
P12
Ground
V 5
Ground
*S = Data, P = Power
SATA Data and Power