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Power SMB (I
C) Connector
2
Power System Management Bus (I
connector (JPI
C1) monitors power
2
supply, fan and system temperatures.
See the table on the right for pin
definitions.
IPMB
A System Management Bus header
for IPMI 2.0 is located at JIPMB1.
Connect the appropriate cable here
to use an IPMB I
2
your system.
I-SGPIO 1/2 & S-SGPIO Headers
Three SGPIO (Serial-Link General Pur-
pose Input/Output) headers (I-SGPIO
1/2 & S-SGPIO) are located on the
serverboard. I-SGPIO 1 supports Se-
rial_Link interface for onboard I- SATA
0-3, and I-SGPIO 2, I-SATA 4/5 con-
nections. S-SGPIO supports S-SATA
0-3 from the Intel SCU. See the table
on the right for pin definitions.
Standby Power Header
The +5V Standby Power header is lo-
cated at JSTBY1 on the serverboard.
See the table on the right for pin
definitions. (You must also have a card
with a Standby Power connector and
a cable to use this feature.)
C)
2
C connection on
5-19
Chapter 5: Advanced Motherboard Setup
PWR SMB
Pin Definitions
Pin#
Definition
1
Clock
2
Data
3
PMBUS_Alert
4
Ground
5
+3.3V
IPMB Header
Pin Definitions
Pin#
Definition
1
Data
2
Ground
3
Clock
4
No Connection
T-SGPIO1/2, S-SGPIO
Pin Definitions
Pin#
Definition
1
NC
3
Ground
5
Load
7
Clock
Standby PWR
Pin Definitions
Pin#
Definition
1
+5V Standby
2
Ground
3
No Connection
Pin
Definition
2
NC
4
Data
6
Ground
8
NC
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