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A+ Server 1012A-MRF User's Manual
SMBus Header
The JIPMB1 header at SMBus is for the Sys-
tem Management Bus. Connect the appropri-
ate cable here to utilize SMB on the system.
See the table on the right for pin definitions.
SMBus Header
(SMBus)
Pin Definitions
(JIPMB1)
Pin# Definition
1
Data
2
Ground
3
Clock
4
No Connection
SATA DOM Power Connector
A power connector for SATA DOM (Disk_On_
Module) devices is located at JSD1. Connect
an appropriate cable here to provide power
support for your DOM devices.
SATA DOM
Power Connector
Pin Definitions
(JSD1)
Pin# Definition
1
+5V
2
Ground
3
Ground
Overheat LED
Connect an LED to the JOH1 header to pro-
vide warning of chassis overheating. See the
table on the right for pin definitions.
Overheat LED
Pin Definitions
(JOH1)
Pin# Definition
1
3.3V
2
OH Active
Chassis Intrusion
A Chassis Intrusion header is located at JL1.
Attach the appropriate cable to inform you of
a chassis intrusion.
Chassis Intrusion
Pin Definitions
(JL1)
Pin# Definition
1
Battery voltage
2
Intrusion signal
Standby Power Connector
The Standby Power connection header is
located at JSTBY1 on the motherboard. See
the table on the right for pin definitions. (You
must also have a cable to use this feature.)
Standby Power
Pin Definitions
(JSTBY1)
Pin# Definition
1
+5V Standby
2
Ground
3
Wake-up
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