Chapter 2: Installation
2-15
3rd Power Supply Alarm
Reset Header
Connect JAR to the alarm reset but-
ton on your chassis (if available) or to
a microswitch to allow you to turn off
the alarm that sounds when a power
supply module fails. See the table on
the right for pin defi nitions.
PS Alarm Reset Header
Pin Defi nitions (JAR)
Pin# Defi nition
1
Ground
2
Reset Signal
SGPIO
The two headers labeled SGPIO1 and
SGPIO2 are for SGPIO (Serial General
Purpose Input/Output). SGPIO pro-
vides a bus between the SATA control-
ler and the SATA drive backplane to
provide SATA enclosure management
functions. Connect the appropriate
cables from the backplane to the
SGPIO1 and SGPIO2 headers to utilize
SAS/SATA management functions on
your system.
Compact Flash Card PWR
Connector
A Compact Flash Card Power Connector
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 Header
Pin Defi nitions (SGPIO1, SGPIO2)
Pin# Defi nition Pin # Defi nition
1
NC
2
NC
3
Ground
4
Data
5
Load
6
Ground
7
NC
8
NC
Note:
NC indicates no connection.
Compact Flash
Power Header
Pin Defi nitions (JWF1)
Pin# Defi nition
1
+5V
2
Ground
3
Signal
