Asus PSCH-SR SATA PSCH-SR User Manual English Version - Page 42
Hardware information, Backplane SMBus connector 6-1 pin BPSMB1 [black], Chassis intrusion - psch sr 24 sata
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3. Backplane SMBus connector (6-1 pin BPSMB1 [black]) This connector allows you to connect SMBus (System Management Bus) devices to system backplane components such as SATA or SCSI backplanes. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface. ® PSCH-SR BPSMB1 1 FAN_PWM I2C_6_CLK# GND I2C_6_DATA# +5V PSCH-SR Backplane SMBus Header 4. Chassis intrusion connector (4-1 pin CHASSIS1) This lead is for a chassis designed with intrusion detection feature. This requires an external detection mechanism such as a chassis intrusion sensor or microswitch. When you remove any chassis component, the sensor triggers and sends a high-level signal to this lead to record a chassis intrusion event. By default, the pins labeled "Chassis Signal" and "Ground" are shorted with a jumper cap. If you wish to use the chassis intrusion detection feature, remove the jumper cap from the pins. ® PSCH-SR CHASSIS1 +5VSB CASEOPEN GND (Default) PSCH-SR Chassis Intrusion Connector 2-24 Chapter 2: Hardware information