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SMB
A System Management Bus header is
located at J11. Connect the appropri-
ate cable here to utilize SMB on your
system. See the table on the right for
pin defi nitions.
Power SMB (I
2
C) Connector
Power SMB (I
2
C) Connector (J32),
located between the 8-pin PWR
Connector and the 24-pin PWR Con-
nector, monitors the status of PWR
Supply, Fan and system temperature.
See the table on the right for pin
defi nitions.
SAS Activity LED Header
The SAS activity LED header (JS9),
located by IDE#1 connector, is used
to display the activity of the SAS
drives. See the table on the right for
pin defi nitions.
2
SAS SMB Bus (I
2
A SAS SMB Bus (I
C) header (JS10) is
located beside the FAN4 header and is
used to monitor the status of the power
supply System Management Bus for
the SAS ports.
See the table on the
right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
C) Header
5-17
SMB Header
Pin Defi nitions (J11)
Pin#
Defi nition
1
Data
2
Ground
3
Clock
4
No Connection
PWR SMB
Pin Defi nitions (J32)
Pin#
Defi nition
1
Clock
2
Data
3
Power Fail
4
Ground
5
+3.3V
SAS Activity LED
Pin Defi nitions (JS9)
Pin# Defi nition
Pin# Defi nition
1
SAS0:Act
6
SAS4:Act
2
SAS1:Act
7
SAS5:Act
3
SAS2:Act
8
SAS6:Act
4
SAS3:Act
9
SAS7:Act
5
Common
10
NC
SAS SMB Bus
Pin Defi nitions (JS10)
Pin#
Defi nition
1
TWSI_SDA
2
Ground
3
TWSI_SCK
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