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SuperWorkstation SYS-5039A-i User's Manual
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 Appendix B before installing or removing components.
4.1 Headers and Connectors
Power Connectors
Main ATX Power Supply Connector
The primary power supply connector (JPWR2) meets the ATX SSI EPS 12V specification.
You must also connect the 8-pin (JPWR1) processor power connector to your power supply.
Secondary Power Connector
JPWR1 must also be connected to the power supply. This connector is used to power the
processor.
Important: To provide adequate power supply to the motherboard, 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
+12V 8-pin Power
Pin Definitions
Pin#
Definition
1 - 4
Ground
5 - 8
+12V
38
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