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3.2 Headers and Connectors
Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to inform you of a chassis intrusion when the chassis is opened. Refer to
the table below for pin definitions.
COM Header
The motherboard has one COM header (COM1) that provides a serial connection.
4-Pin External BMC I
A System Management Bus header for IPMI 2.0 is located at JIPMB1. Connect a cable to
this header to use the IPMB I
definitions.
Chassis Intrusion
Pin Definitions
Pin#
Definition
1
Ground
2
Intrusion Input
COM Header (COM1)
Pin Definitions
Pin#
Definition
1
DCD
3
RXD
5
TXD
7
DTR
9
Ground
C Header
2
C connection on your system. Refer to the table below for pin
2
External I
C Header
2
Pin Definitions
Pin#
Definition
1
Data
2
Ground
3
Clock
4
No Connection
26
Chapter 3 Motherboard Connections
Pin#
Definition
2
DSR
4
RTS
6
CTS
8
RI
10
N/A
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