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Alarm Reset
If three power supplies are installed,
the system can notify you when any of
the three power modules fail. Connect
JAR to a micro-switch to enable you
to turn off the alarm that is activated
when a power module fails. See the
table on the right for pin defi nitions.
2
Power SMB (I
C) Connector
2
Power SMB (I
C) connector, located
at J13, monitors the status of the
power supply, fan and system tem-
perature. See the table on the right
for pin defi nitions.
Compact Flash Card PWR
Connector
A Compact Flash Card Power Con-
nector is located at JWF1. For the
Compact Flash Card to work properly,
you will need to enable with JCF1 and
connect a Compact Flash Card power
cable to JWF1 fi rst.
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect
an LED to provide warning of chassis
overheating. This LED will blink to in-
dicate a fan failure. Refer to the table
on right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
Alarm Reset Header
Pin Defi nitions (JAR)
Pin Setting
Pin 1
Ground
Pin 2
+5V
PWR SMB Header
Pin Defi nitions (J13)
Pin#
Defi nition
1
Clock
2
Data
3
PWR Fail (Input from PS to MB)
4
Ground
5
+3.3V
Compact Flash Card PWR
Connector (JWF1)
Jumper Defi nition
On
Compact Flash
Power On
Off
Compact Flash
Power Off
OH/Fan Fail LED
States
State
Message
Solid
Overheat
Blinking
Fan Fail
5-17
Defi nition
Overheat LED
Pin Defi nitions (JOH1)
Pin#
Defi nition
1
5vDC
2
OH Active
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