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Chapter 7: Motherboard Connections
Chapter 7
Motherboard Connections
This chapter 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
. More detail can be found in the
Please review the Safety Precautions in
before installing or removing components.
7.1 Power Connections
Main Power Connector
The proprietary main power header is PWR1.
Storage Drive Power Connectors
The proprietary 4-pin connector, HDD2_PWR, is connected to the AOM-SB1-SATA31 to
provide power to the HDD2.
7.2 Headers and Connectors
Fan Header
A 4-pin fan header (FAN1) is located on the motherboard.
This fan header is reserved for
liquid cooling.
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM Control
