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S
S
UPER
ERVER 2027GR-TRFH/2027GR-TRFHT User's Manual
NMI Header
The non-maskable interrupt header is lo-
cated at JNMI1. Refer to the table on the
right for pin defi nitions.
Internal Buzzer
The Speaker header, located at JSPK1,
can be used to provide audible alarms for
various beep codes. See the table on the
right for pin defi nitions.
Chassis Intrusion
A Chassis Intrusion header is located at
JL1 on the serverboard. Attach an ap-
propriate cable from the chassis to inform
you of a chassis intrusion when the chassis
is opened.
T-SGPIO Headers
Three SGPIO (Serial-Link General Pur-
pose Input/Output) headers are provided
on the serverboard. These headers sup-
port serial link interfaces for the onboard
SATA ports. See the table on the right for
pin defi nitions.
RAIDKey Header
A RAIDKey header (JRK1) provides
RAID function support to enhance sys-
tem performance.
Pin#
1
2
Pin#
Pin 1
Pin 2
Pin#
1
2
Pin# Defi nition
1
3
5
7
NC = No Connection
5-18
NMI Button
Pin Defi nitions
Defi nition
Control
Ground
Internal Buzzer
Pin Defi nitions
Defi nitions
Pos. (+)
5V
Neg. (-)
Alarm Speaker
Chassis Intrusion
Pin Defi nitions
Defi nition
Intrusion Input
Ground
T-SGPIO
Pin Defi nitions
Pin
Defi nition
NC
2
NC
Ground
4
Data
Load
6
Ground
Clock
8
NC
RAIDKey
Pin Defi nitions
Pin# Defi nition
1
Ground
2
Signal
3
Ground
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