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SMB
A System Management Bus header is
located at J18. Connect the appropri-
ate cable here to utilize SMB on your
system.
Power SMB (I
2
Power SMB (I
2
C) Connector (J17)
monitors power supply, fan and sys-
tem temperatures. See the table on
the right for pin defi nitions.
CD1
LAN1/2
HD
Audio
Audio
CTRL
SIM LP IPMI
PCI-Exp x16
PCI-33MHz
C) Connector
B
CPU
PSF
J17
Fan 1
J3P
JAR
SCSI CTRL
A
320 SCSI Channel B
2-21
Chapter 2: Installation
SMB Header
Pin Defi nitions
Pin#
Defi nition
1
Data
2
Ground
3
Clock
4
No Connection
PWR SMB
Pin Defi nitions
Pin#
Defi nition
1
Clock
2
Data
3
PWR Fail
4
Ground
5
+3.3V
A. SMB
8-pin PWR
B. PWR SMB
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