45
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 serverboard layout indicating component
locations may be found in Chapter 1.
Please review the Safety Precautions in Appendix B before installing or removing components.
4.1 Power Connections
Four power connections on the X11DPX-T must be connected to the power supply. The wiring
is included with the power supply.
•
24-pin ATX Power (JPWR1)
•
12V 8-pin Processor Power (JPWR2/JPWR3)
•
12V 4-pin Power Connector (JPWR4)
Main ATX Power Supply Connector
The primary power supply connector (JPWR1) meets the ATX SSI EPS 24-pin specification.
You must also connect the 8-pin (JPWR2/JPWR3) and 4-pin (JPWR4) CPU power connectors
to your power supply.