2.7.2 Internal connectors

1.Power supply unit SMBus connector (5-pin PSUSMB1)

This connector allows you to connect SMBus (System Management Bus) devices to the power supply unit. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface.

PSCH-SR

PSUSMB1

+3.3V GND NC I2C_7_DATA I2C_7_CLK

PSCH-SR Power Supply SMBus Header

Not all power supply units have SMBus connector for server management.

2.Front panel SMBus connector (6-1 pin FPSMB1 [white])

This connector allows you to connect SMBus (System Management Bus) devices to system front panel components. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface.

PSCH-SR

FPSMB1

1

NC I2C 4 CLK#

GND I2C 4 DATA# +5VSB

PSCH-SR Front Panel SMBus Connector

ASUS PSCH-SR motherboard

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