Supermicro A+ Server AS -1115CS-TNR - Chapter 4 Motherboard Connections; Power Connections

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Chapter 4: Motherboard Connections
Chapter 4
Motherboard Connections
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indicating component locations may be found in Chapter 1. More detail can be found in the
Motherboard Manual.
4.1 Power Connections
12V 8-pin Auxiliary Power Connector (JPWR2)
JPWR2 is an 8-pin ATX power input to provide auxiliary power to the processor. Refer to the
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12V 8-pin Power Connector
Pin Denitions
Pin# Denition Pin# Denition
1 Ground 5 +12V
2 Ground 6 +12V
3 Ground 7 +12V
4 Ground 8 +12V
Main Power Supply Connector (JPWR3)
The primary power supply connector (JPWR3) is an ATX power connector that the power
supply plugs into directly.
ATX Power 24-pin Connector
Pin Denitions
Pin# Denition Pin# Denition
1 +3.3V 13 +3.3V
2 +3.3V 14 -12V
3 Ground 15 Ground
4 +5V 16 PS_ON
5 Ground 17 Ground
6 +5V 18 Ground
7 Ground 19 Ground
8 PWR_OK 20 Res (NC)
9 5VSB 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 +3.3V 24 Ground