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S
S
UPER
ERVER 1027R-WC1R/1027R-WC1RT User's Manual
Power On LED
The Power On LED connector is lo-
cated on pins 15 and 16 of JF1 (use
JLED for a 3-pin connector). This
connection is used to provide LED
indication of power being supplied to
the system. See the table on the right
for pin defi nitions.
NMI Button
The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. See the table on the right for
pin defi nitions.
Fan Headers
There are six fan headers on the
serverboard, all of which are 4-pin
fans (Fan 1-Fan 8). Pins 1-3 of the
fan headers are backward compatible
with the traditional 3-pin fans. (Fan
speed control is supported with 4-pin
fans only.) See the table on the right
for pin defi nitions. The onboard fan
speeds are controlled by IPMI.
Chassis Intrusion
The Chassis Intrusion header is des-
ignated JL1. Attach a chassis intrusion
cable from the chassis to inform you of
a chassis intrusion when the chassis
is opened
Internal Speaker
The internal speaker, located at SP1,
can be used to provide audible indica-
tions for various beep codes. See the
table on the right for pin defi nitions..
Power LED
Pin Defi nitions (JF1)
Pin#
Defi nition
15
3.3V
16
Control
NMI Button
Pin Defi nitions (JF1)
Pin#
Defi nition
19
Control
20
Ground
Fan Header
Pin Defi nitions
Pin#
Defi nition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWR Modulation
Chassis Intrusion
Pin Defi nitions
Pin#
Defi nition
1
Intrusion Input
2
Ground
Internal Buzzer (SP1)
Pin Defi nition
Pin#
Pin 1
Pos. (+)
Pin 2
Neg. (-)
5-16
Defi nitions
Beep In
Alarm
Speaker
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