© National Instruments | B-7
RMC-8356 User Manual
Note To provide adequate power to the motherboard, connect the 24-pin and
the 8-pin power connectors to the power supply. Failure to do so may void the
manufacturer's warranty on your power supply and motherboard.
Processor Power Connector
The 8-pin JPW2 must also be connected to the power supply. This connector is used to power
the processor(s).
Table B-4. ATX Main Power 24-pin Connector Pin Definitions
Pin Definition Pin Definition
13 +3.3 V 1 +3.3 V
14 -12 V 2 +3.3 V
15 Ground 3 Ground
16 PS_ON 4 +5 V
17 Ground 5 Ground
18 Ground 6 +5 V
19 Ground 7 Ground
20 Res (NC) 8 PWR_OK
21 +5 V 9 5VSB
22 +5 V 10 +12 V
23 +5 V 11 +12 V
24 Ground 12 +3.3 V
Required Connection
Table B-5. +12 V 8-Pin Power Pin Definitions
Pin Definition
1-4 Ground
5-8 +12 V
Required Connection
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