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Chapter 5: Advanced Serverboard Setup
5-21
SMB
A System Management Bus header
is located at J22. Connect the ap-
propriate cable here to utilize SMB
on your system.
SMB Header Pin Definitions
(J22)
Pin
Number
1
2
3
4
Definition
Data
Ground
Clock
No Connection
SMB Power (I
2
C)
Connector
The I
2
C connector at J27, located be-
tween the PWR ForceOn Header and
the PWR Fault header, monitors the
status of the power supply, the fans,
and the system temperature.
SMB PWR Pin Definitions
(J27)
Pin #
1
2
3
4
5
Definition
Clock
Data
N/A
N/A
N/A