Supermicro A+ Server AS -1115CS-TNR - Page 56

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Chapter 4: Motherboard Connections
Power SMB Header (PWRI2C)
Power System Management Bus (I
2
C) header monitors power supply, fan and system

Power SMB Header
Pin Denitions
Pin# Denition
1 Clock
2 Data
3 Alert
4 Ground
5 +3.3V
4-pin External BMC I2C Header
A System Management Bus header for IPMI 2.0 is located at JIPMB1. Connect a cable to
this header to use the IPMB I
2
C connection on your system. Refer to the table below for pin

External I
2
C Header
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock
4 +3.3V Stdby