Supermicro H12SSW-NT - Page 42

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H12SSW-iN/NT Motherboard User's Manual
Chassis Intrusion (JL1)
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to the header to inform you when the chassis is opened.
Chassis Intrusion
Pin Denitions
Pins Denition
1 Ground
2 Intrusion Input
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect an LED indicator to provide warnings of chassis
overheating or fan failure. This LED will blink when a fan failure occurs. Refer to the table
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Overheat / Fan Fail
Pin Denitions
Pins Denition
1 5vDC
2 OH Active
Overheat / Fan Fail
LED Status
Status Denition
󰀨 Normal
On, Solid Overheat
On, Blinking Fan Failure
IPMB System Management Bus Header (JIPMB1)
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.
IPMB Header
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock
4 No Connection