User Manual

Chapter 4: Motherboard Information
4-24
18. Serial port connector (10-1 pin COM1)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
17. Power Supply SMBus connector (5-pin PSUSMB)
This connector allows you to connect SMBus (System Management Bus) to the PSU
(power supply unit) to read PSU information. Devices communicate with an SMBus
host and/or other SMBus devices using the SMBus interface.
This connector functions only when you enable the ASUS ASMB card.
Power supply is required to meet PMBus specication and customized BMC FW may be
needed. Please contact ASUS if your need further support