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Power Supply Fail Alarm
Header
Connect a cable from your power
supply to JPWF to provide you with
warning of a power supply failure.
The warning signal is passed through
the PWR_LED pin to indicate a power
failure. See the table on the right for
pin defi nitions.
Compact Flash Power
Header
A Compact Flash Card Power header
is located at JWF1. For the Compact
Flash Card to work properly, you will
fi rst need to connect the device's power
cable to JWF1 and correctly set the
Compact Flash Jumper (JCF1).
SGPIO
SGPIO1 and SGPIO2 (Serial General
Purpose Input/Output) provide a bus
between the SATA controller and
the SATA drive backplane to provide
SATA enclosure management func-
tions. Connect the appropriate cables
from the backplane to the SGPIO1
and SGPIO2 header(s) to utilize
SATA management functions on your
system.
Power Supply Fail
Alarm Header
Pin Defi nitions (JPWF)
Pin#
Defi nition
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 power supplies.
Compact Flash
Power Header
Pin Defi nitions (JWF1)
Pin#
Defi nition
1
+5V
2
Ground
3
Signal
SGPIO Header
Pin Defi nitions (SGPIO1, SGPIO2)
Pin#
Defi nition
1
NC
3
Ground
5
Load
7
NC
Note: NC indicates no connection.
2-15
Chapter 2: Installation
Pin #
Defi nition
2
NC
4
Data
6
Ground
8
NC
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