Supermicro SuperServer SYS-511R-M User Manual page 50

8-Pin CPU Power Connector
JPW2 is an 8-pin 12 V DC power input for the CPU that must be connected to the power
supply. Refer to the table below for pin definitions.
Important: To provide adequate power supply to the motherboard, be sure to connect
the 24-pin ATX PWR and the 8-pin PWR connectors to the power supply. Failure to
do so may void the manufacturer warranty on your power supply and motherboard.
Chapter 4: Motherboard Connections
8-pin Power
Pin Definitions
Pin# Definition
1 - 4 Ground
5 - 8 P12V (12 V Power)
Required Connection
50