Asus P10S-M WS Series Instruction Manual page 46

17. Chassis intrusion connector (2-pin INTRUSION)
These leads are for the intrusion detection feature for chassis with intrusion sensor
or microswitch. When you remove any chassis component, the sensor triggers and
sends a high level signal to these leads to record a chassis intrusion event. The default
setting is short CHASSIS# and GND pin by jumper cap to disable the function.
18. Power Supply SMBus connector (5-pin PSUSMB1)
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 ASMB8.
Power supply is required to meet PMBus specification and customized BMC FW may be
needed. Please contact ASUS if your need further support.
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Chapter 1: Product Introduction