Computer Hardware User Manual

2-24
X8STi/X8STi-F/X8STi-3F/X8STi-LN4 User's Manual
LSI 1068E
NIC4 LED
JBMC1
A. Overheat/Fan Fail LED
B. NIC3_LED (X8STi-LN4)
C. NIC4_LED (X8STi-LN4)
Overheat/Fan Fail LED
The JOH header is used to connect
an LED to provide warnings of chas-
sis overheat. This LED will also blink
to indicate a fan failure. Refer to the
table on right for pin de nitions and
LED status.
Overheat LED
Pin De nitions
Pin# De nition
1 5vDC
2 OH Active
OH/Fan Fail LED
Status
State Message
Solid Overheat
Blinking Fan Fail
A
B
NIC3_LED/NIC4_LED (X8STi-LN4
Only)
NIC3_LED and NIC4_LED headers
provide LAN3/LAN4 Activity LED
connections to the front panel of
your chassis. Connect appropriate
cables to NIC3_LED and NIC4_LED
to indicate LAN3 and LAN4 activi-
ties. See the table on the right for pin
de nitions. Refer to the layout below
for the locations of the NIC_LED3 and
NIC_LED4. (Refer to Page 2-18 for
information on LAN 1/LAN 2 LEDs.)
C
NIC3/NIC4 LED Headers
Pin De nitions
(X8STi-LN4)
Pin# De nition
Pin 1 Vcc 3.3V Standby
Pin 2 Signal