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Chapter 2: Installation
2-25
LSI 1068E
NIC4 LED
JBMC1
A. PWR LED
B. PWR SMB
Power Supply I
2
C Connector
Power Supply (I
2
C) Connector, locat-
ed at SMB_PS1 on the motherboard.
This connector monitors the status
of the power supply, fan and system
temperature. See the table on the right
for pin denitions.
PWR Supply I
2
C
PinDenitions
Pin# Denition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 3.3V
Onboard Power LED
An onboard Power LED header is
located at JLED. This Power LED
header is connected to Front Control
Panel located at JF1 to indicate the
status of system power. See the table
on the right for pin denitions.
Onboard PWR LED
PinDenitions
Pin# Denition
1 VCC
2 No Connection
3 Connection to PWR
LED in JF1
A
B