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Chapter 3 Motherboard Connections
Standby Power
The +5V Standby Power header is located at JSTBY1 on the motherboard. You must have
a card with a Standby Power connector and a cable to use this feature. Refer to the table
Standby Power
Pin Denitions
Pin# Denition
1 +5V Standby
2 Ground
3 NC
Disk On Module Power Connector
One power connector for a SATA DOM (Disk On Module) device is located at JSD1. Connect
the appropriate cable here to provide power support for your Serial Link DOM device.
DOM Power
Pin Denitions
Pin# Denition
1 5V
2 Ground
3 Ground
Power SMB (I
2
C) Header
The Power System Management Bus (I
2
C) connector (JPI
2
C1) monitors the power supply,
Power SMB Header
Pin Denitions
Pin# Denition
1 Clock
2 Data
3 PMBUS_Alert
4 Ground
5 +3.3V
SMBus Header
A System Management Bus header for IPMI 2.0 is located at JIPMB1. Connect the appropriate
cable here to use the IPMB I
2
C connection on your system. Refer to the table below for pin
External I
2
C Header
Pin Denitions
Pin# Denition
1 Data
2 GND
3 Clock
4 NC