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Chapter 4: Motherboard Connections
Chapter 4
Motherboard Connections
This section describes the connections on the motherboard and provides pinout definitions.
Note that depending on how the system is configured, not all connections are required.
The LEDs on the motherboard are also described here. A motherboard layout indicating
component locations may be found in Chapter 1.
Please review the Safety Precautions in Chapter 3 before installing or removing components.
4.1 Power Connections
12V 8-pin Auxiliary Power Connector
JPWR1 is an 8-pin ATX power input to provide core power to the processor. Refer to the
table below for pin definitions.
12V 8-pin Power Connector
Pin Definitions
Pins
Definition
1 through 4
Ground
5 through 8
+12V
12V 8-pin Power Connector
Pin Definitions
Pins
Definition
1 through 4
Ground
5 through 8
+12V
12V 8-pin Auxiliary Power Connector
JPWR2 is an 8-pin ATX power input to provide core power to the processor. Refer to the
table below for pin definitions.