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Chapter 5: Advanced Serverboard Setup
5-17
SMB Power (I
2
C)
The header at JI
2
C is for I
2
C, which
may be used to monitor the status of
the power supply, fan and system tem-
perature. See the table on the right for
pin defi nitions.
SMB Power (I
2
C)
Pin Defi nitions (J17)
Pin# Defi nition
1 Clock
2 Data
3 Power Fail
4 Ground
5+3.3V
SMB
A System Management Bus header
is located at J18. Connect the ap-
propriate cable here to utilize SMB on
your system.
SMB Header
Pin Defi nitions
Pin# Defi nition
1 Data
2 Ground
3 Clock
4NC