24-Pin Power; 4-Pin Power (For Cpu); Sata Data And Power - HP dx2420 - Microtower PC Service & Reference Manual
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Also See for dx2420 - Microtower PC:
- Hardware reference manual (59 pages) ,
- Troubleshooting manual (21 pages) ,
- Illustrated parts & service map (3 pages)
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24-Pin Power
Connector
24
12
Pin
Signal
1
+3.3V
2
+3.3V
3
GND
4
+5V
5
GND
6
+5V
4-Pin Power (for CPU)
Connector and Icon
SATA Data and Power
Drive Connector
Pin
Signal
S1
Ground
S5
B-
72
Appendix A Connector Pin Assignments
13
Front
1
Pin
Signal
7
GND
8
POK
9
+5 Vaux
10
+12V
11
+12V
12
+3.3V
Pin
Signal
S2
A+
S6
B+
Pin
Signal
13
+3.3V
14
–12V
15
GND
16
PSON
17
GND
18
GND
Pin
Signal
1
GND
2
GND
3
+12V CPU
4
-12V CPU
Pin
Signal
S3
A-
S7
Ground
Pin
Signal
19
GND
20
open
21
+5V
22
+5V
23
+5V
24
GND
Pin
Signal
S4
Ground
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