Smbus Connector; Chassis Intrusion Connector - DFI BPC 420-BW User Manual

SMBus Connector

6 5
SMB_ALERT
SMBus
SMB_DATA SMB_CLK
GND 3V3SB
2 1
The SMBus (System Management Bus) connector is used to connect SMBus devices. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each one
to act as a master by initiating data transfer.
Chapter 5 Ports and Connectors
Chapter 5
Chapter 5

Chassis Intrusion Connector

1
2
1
The board supports the chassis intrusion detection function. Connect the chassis intrusion
sensor cable from the chassis to this connector. When the system's power is on and a chassis
intrusion occurred, an alarm will sound. When the system's power is off and a chassis intrusion
occurred, the alarm will sound only when the system restarts.
25
1
2
Chassis
Intrusion
1 2
Signal
Ground
1
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