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Power Fault
Connect a cable from your power
supply to the Power Fail header
(JP12) to provide a warning of
power supply failure.
ing signal is passed through the
PWR_LED pin to indicate of a
power failure on the chassis. See
the table on the right for pin defini-
tions.
Alarm Reset
Connecting JAR to a reset switch
will allow you to silence the alarm
that sounds when a power supply
module fails.
If you only have a
single power supply installed, you
should disable this (the default
setting) with (JAR) to prevent
false alarms. See the table on the
right for pin definitions.
4-pin
A T X P W R
J 1 B 4
Fan6 Fan5
P W R
DIMM 1B
DIMM 1A
DIMM 2B
DIMM 2A
DIMM 3B
DIMM 3A
DIMM 4B
DIMM 4A
M i c
This warn-
J P F
F A N 7
Force
P W
Bank 1
Bank 1
Bank 2
CPU1
Bank 2
Bank 3
Bank 3
Bank 4
Bank 4
CPU2
BIOS
JPS1
6 3 0 0 E S B
U S B 2 / 3
J D 2
SATA0 SATA1 SATA0 SATA1 SATA2 SATA3
2-17
Chapter 2: Installation
Power Fail
Pin Definitions (JP12)
Pin
Number
1
P/S 1 Fail Signal
2
P/S 2 Fail Signal
3
P/S 3 Fail Signal
4
Reset (from MB)
Note: This feature is only available when using
redundant Supermicro power supplies.
Alarm Reset Jumper
Settings
(JAR)
Jumper
Position
Open
Closed
J 2 4
Power Fault
J 1 D 1
Alarm Reset
J L 1
SATAI
2
C
6041
Definition
Definition
Enabled
Disabled
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