Lenovo NetVista Hardware Maintenence Manual for Netvista 6838 and 6848 systems - Page 53

-pin power supply connection, Signal, Function

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Pin Signal 1 3.3 V 2 3.3 V 3 COM 4 5V 5 COM 6 5V 7 COM 8 POK 9 5VSB 10 12 V 11 3.3 V 12 -12 V 13 COM 14 PS-ON 15 COM 16 COM 17 COM 18 No voltage 19 5V 20 5V Function +3.3 V dc +3.3 V dc Ground +5 V dc Ground +5 V dc Ground Power Good Standby Voltage +12 V dc +3.3 V dc -12 V dc Ground DC Remote Enable Ground Ground Ground Not used +5 V dc +5 V dc If the voltages are not correct, and the power cord is good, replace the power supply. 6-pin power supply connection 1 6 Pin Signal 1 COM 2 COM 3 COM 4 3.3 V 5 3.3 V 6 5V 4-pin power supply connection 12 34 Pin Signal 1 COM Function Ground Ground Ground +3.3 V DC +3.3 V DC +5 V DC Function Ground Chapter 6. FRU information (service only) 45

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Pin
Signal
Function
1
3.3 V
+3.3 V dc
2
3.3 V
+3.3 V dc
3
COM
Ground
4
5V
+5 V dc
5
COM
Ground
6
5V
+5 V dc
7
COM
Ground
8
POK
Power Good
9
5VSB
Standby Voltage
10
12 V
+12 V dc
11
3.3 V
+3.3 V dc
12
-12 V
-12 V dc
13
COM
Ground
14
PS-ON
DC Remote Enable
15
COM
Ground
16
COM
Ground
17
COM
Ground
18
No voltage
Not used
19
5V
+5 V dc
20
5V
+5 V dc
If the voltages are not correct, and the power cord is good, replace the power
supply.
6-pin power supply connection
1
6
Pin
Signal
Function
1
COM
Ground
2
COM
Ground
3
COM
Ground
4
3.3 V
+3.3 V DC
5
3.3 V
+3.3 V DC
6
5V
+5 V DC
4-pin power supply connection
1
2
3
4
Pin
Signal
Function
1
COM
Ground
Chapter 6. FRU information (service only)
45