Compaq dx2390 - Microtower PC - 24-Pin Microfit Power; 4-Pin Power (for CPU)

Pin Signal Pin Signal Pin Signal Pin Signal
1
2
3
4
5
6
+3.3V
+3.3V
GND
+5V
GND
+5V
7
8
9
10
11
12
GND
POK
+5 Vaux
+12V
+12V
+3.3V
13
14
15
16
17
18
+3.3V
–12V
GND
PSON
GND
GND
19
20
21
22
23
24
GND
open
+5V
+5V
+5V
GND
24-Pin MicroFit Power
Connector
24
12
13
1
Front
Pin Signal Pin Signal Pin Signal Pin Signal
1
2
3
4
5
6
+5 Vaux
GND
+5V
+5V
PS_ON
GND
7
8
9
10
11
12
PWRGD
+3.3V
+3.3V
Tach
GND
Fan-CMD
13
14
15
16
17
18
+12V
+5V Sense
GND
+5V
+5V
+3.3V
19
20
21
22
23
24
GND
+3.3V
Sense
+3.3V
+3.3V
GND
4-Pin Power (for CPU)
Connector and Icon Pin Signal
1
2
3
4
GND
GND
+12V CPU
-12V CPU
72 Appendix A Connector Pin Assignments