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Chapter 2: Installation
2.7 Connectors
Power Connections
PSU1/PSU2 Main Power Supply Connectors
The primary power supply connectors (PSU1/PSU2) are Common Redundant Power Supply
(CRPS) connectors that the power supply plugs into directly.
Backplane 12V and 5V 8-pin Power Connectors
PWR1/BP, PWR2/BP, PWR3/BP, and PWR4/BP are 8-pin 12V and 5V DC power inputs for
the system's backplane. Refer to the table below for pin definitions.
Backplane 8-pin Power
Pin Definitions
Pin#
Definition
Pin#
Definition
1
Ground
5
+12V
2
Ground
6
+12V
3
Ground
7
+5V
4
Ground
8
+5V
GPU 12V 8-pin Power Connectors
PWR1/GPU, PWR2/GPU, and PWR3/GPU are 8-pin 12V DC power inputs for GPUs that are
installed in the system's PCI-E slots. Refer to the table below for pin definitions.
GPU 8-pin Power
Pin Definitions
Pin#
Definition
Pin#
Definition
1
Ground
5
+12V
2
Ground
6
+12V
3
Ground
7
+12V
4
Ground
8
+12V
Font Panel Connector (FP1)
FP1 contains various buttons and indicators that are normally located on a control panel at the
front of the chassis. The FP1 connector is designed specifically for use with the Supermicro
chassis.