HP Dc7100 HP Compaq Business Desktop dc7100 Series Service Reference Guide, 3r - Page 227
Pin Power, Pin MicroFit Power, Pin Power for CPU, Connector, Signal, Connector and Icon
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Connector Pin Assignments 24-Pin Power Pin Signal 1 +3.3 V 2 +3.3 V 3 GND 4 +5 V 5 GND 6 +5 V Connector 24 13 12 Pin Signal 7 GND 8 POK 9 +5 Vaux 10 +12 V 11 +12 V 12 +3.3 V 1 Pin Signal 13 +3.3 V 14 -12 V 15 GND 16 PSON 17 GND 18 GND Pin Signal 19 GND 20 open 21 +5 V 22 +5 V 23 +5 V 24 GND 24-Pin MicroFit Power Connector 24 13 12 Pin Signal 1 +5 Vaux 2 GND 3 +5 V 4 +5 V 5 PS_ON 6 GND Pin Signal 7 PWRGD 8 +3.3 V 9 +3.3 V 10 Tach 11 GND 12 Fan-CMD 4-Pin Power (for CPU) Connector and Icon 1 Pin Signal 13 +12 V 14 +5 V Sense 15 GND 16 +5 V 17 +5 V 18 +3.3 V Pin Signal 1 GND 2 GND 3 +12 V CPU 4 -12 V CPU Pin Signal 19 GND 20 +3.3 Sense 21 +3.3 V 22 +3.3 V 23 GND 24 -12 V Service Reference Guide, dc7100 361288-003 A-7
Service Reference Guide, dc7100
361288-003
A–7
Connector Pin Assignments
24-Pin Power
Connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
6
+3.3 V
+3.3 V
GND
+5 V
GND
+5 V
7
8
9
10
11
12
GND
POK
+5 Vaux
+12 V
+12 V
+3.3 V
13
14
15
16
17
18
+3.3 V
-12 V
GND
PSON
GND
GND
19
20
21
22
23
24
GND
open
+5 V
+5 V
+5 V
GND
24
12
13
1
24-Pin MicroFit Power
Connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
6
+5 Vaux
GND
+5 V
+5 V
PS_ON
GND
7
8
9
10
11
12
PWRGD
+3.3 V
+3.3 V
Tach
GND
Fan-CMD
13
14
15
16
17
18
+12 V
+5 V Sense
GND
+5 V
+5 V
+3.3 V
19
20
21
22
23
24
GND
+3.3 Sense
+3.3 V
+3.3 V
GND
-12 V
4-Pin Power (for CPU)
Connector and Icon
Pin
Signal
1
GND
2
GND
3
+12 V CPU
4
-12 V CPU
24
12
13
1