5-16
S
UPER
S
ERVER 7044H-82R/7044H-X8R/7044H-82 User's Manual
Power Fault
Connect a cable from your power
supply to the Power Fail header
(JP12) to provide warning of power
supply failure. This warning 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 definitions.
Power Fail
Pin Definitions (JP12)
Pin
Number
1
2
3
4
Definition
P/S 1 Fail Signal
P/S 2 Fail Signal
P/S 3 Fail Signal
Reset (from MB)
Note:
This feature is only available when
using redundant Supermicro power supplies.
Keylock
The keyboard lock connection is lo-
cated on JK1. Utilizing this header
allows you to inhibit any actions made
on the keyboard, effectively "locking"
it.
SMB Power (I
2
C)
Connector
The I
2
C connector at J24 (located be-
tween the PWR ForceOn Header and
the PWR Fault header) monitors the
status of power supply, the fans and
the system temperature.
SMB PWR
Pin Definitions (J24)
Pin #
1
2
3
4
5
Definition
Clock
Data
N/A
N/A
N/A
Overheat LED
C o n n e c t a n L E D t o t h e J O H 1
h e a d e r t o p r o v i d e w a r n i n g o f
c h a s s i s o v e r h e a t i n g . S e e t h e
table on the right for pin defini-
tions.
Pin
Number
1
2
Definition
+5V
OH Active
Overheat LED
Pin Definitions (JOH1)
Summary of Contents for 7044H-82
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