HP Deskpro /M Desktop PC 486/33M Deskpro Personal Computers Service Reference - Page 47

-Pin Power Connector, 3.3 V, aux RTN, Fan OFF, 5 V aux, ON/STBY, 3 V R/S, Fan CMD, RTN / R/S

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Page 47 highlights

24-Pin Power Connector 1 23 2 Pin Signal 1 +3.3 V 2 +3.3 V 3 RTN 4 +5 V 5 RTN 6 +5 V 24 Pin Signal 7 aux RTN 8 Fan OFF 9 +5 V aux 10 +12 V 11 3.3 Vaux 12 Fan CMD Pin Signal 13 +3.3V 14 -12 V 15 RTN 16 ON/STBY 17 RTN 18 RTN / (R/S) Pin Signal 19 RTN 20 -5 V 21 +5 V 22 +5 V 23 3.3 V R/S 24 Fan Sink A-10 Connector Pin Assignments

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A-10
Connector Pin Assignments
24-Pin Power Connector
1
2
23
24
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
+3.3 V
7
aux RTN
13
+3.3V
19
RTN
2
+3.3 V
8
Fan OFF
14
-12 V
20
-5 V
3
RTN
9
+5 V aux
15
RTN
21
+5 V
4
+5 V
10
+12 V
16
ON/STBY
22
+5 V
5
RTN
11
3.3 Vaux
17
RTN
23
3.3 V R/S
6
+5 V
12
Fan CMD
18
RTN / (R/S)
24
Fan Sink