Supermicro SuperWorkstation SYS-531A-I User Manual page 52

Standby Power
The 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 below for
pin definitions.
Disk-On-Module Power Connector
The Disk-On-Module (DOM) power connector at JSD1 provides 5V power to a solid-state
DOM storage devices connected to one of the SATA ports. Refer to the table below for pin
definitions.
Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate
cable from the chassis to inform you when the chassis is opened. Refer to the table below
for pin definitions.
Power SMB (I C) Header
2
The Power System Management Bus (I
fan, and system temperatures. Refer to the table below for pin definitions.
Chapter 4: Motherboard Connections
Standby Power
Pin Definitions
Pin# Definition
1 +5V Standby
2 Ground
3 No Connection
DOM Power
Pin Definitions
Pin# Definition
1 5V
2 Ground
3 Ground
Chassis Intrusion
Pin Definitions
Pin# Definition
1 Intrusion Input
2 Ground
C) connector (JPI2C1) monitors the power supply,
2
Power SMB Header
Pin Definitions
Pin# Definition
1 Clock
2 Data
3 PMBUS_Alert
4 Ground
5 +3.3V
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