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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
. More detail can be found in the
Please review the Safety Precautions in
before installing or removing components.
4.1 Power Connections
Two power connections supply the motherboard and several more supply for onboard devices.
Main Power Connector
Two proprietary main power headers are located at PSU1 and PSU2. Connect appropriate
power supply units to these two headers to provide adequate power to your system.
Important:
To provide adequate power to the motherboard, connect the both main power
connectors and 8-pin power connectors to the power supply. Failure to do so may void the
manufacturer's warranty on your power supply and motherboard.
Backplane Power Connectors & GPU Power Connectors
In addition to the main power headers, eight 8-pin power connectors are also located on
the motherboard to supply power to onboard devices. GPU Power Connectors, JGPW1-4,
are used for GPU devices, while JPW1-4 are used for backplane devices. Connect these
connectors to your power supply to provide adequate power to your onboard devices.
8-pin Power
Pin Definitions
Pin#
Definition
1 - 4 Ground
5 - 8 +12 V