2-30
X8SIL/X8SIL-F User's Manual
Serial_Link-SGPIO
PinDenitions
Pin# Denition Pin Denition
1 NC 2 NC
3 Ground 4 DATA Out
5 Load 6 Ground
7 Clock 8 NC
T-SGPIO 0/1 Headers
Two T-SGPIO (Serial-Link General Pur-
pose Input/Output) headers are located
near the SATA connectors on the moth-
erboard. These headers are used to
communicate with the enclosure manage-
ment chip in the system. See the table on
the right for pin denitions. Refer to the
board layout below for the locations of
the headers.
NC: No Connections
A. T-SGPIO 0
B. T-SGPIO 1
C. Alarm Reset
C
A
B
Alarm Reset
If three power supplies are installed and
Alarm Reset (JAR) is connected, the sys-
tem will notify you when any of the three
power modules fail. Connect JAR to a
micro-switch to turn off the alarm that is
activated when a power module fails. See
the table on the right for pin denitions.
Alarm Reset
PinDenitions
Pin Setting Denition
Pin 1 Ground
Pin 2 +5V