Chapter 2: Installation
2-21
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
19
20
Vcc
X
Ground
NMI
X
Vcc
PWR Fail LED
NIC2 LED
A
B
X9DR7/E-LN4F
Rev. 1.00
Power Fail LED
The Power Fail LED connection is
located on pins 5 and 6 of JF1. Re-
fer to the table on the right for pin
definitions.
A. OH/Fail/PWR Fail LED
B. PWR Supply Fail
PWR Fail LED
Pin Definitions (JF1)
Pin# Definition
5
3.3V
6
PWR Supply Fail
Overheat (OH)/Fan Fail LED
Connect an LED cable to pins 7 and
8 of Front Control Panel to use the
Overheat/Fan Fail LED connections.
The LED on pin 8 provides warnings
of overheat or fan failure. Refer to the
table on the right for pin definitions.
OH/Fan Fail LED Pin Definitions
(JF1)
Pin# Definition
7
Vcc
8
OH/Fan Fail LED
OH/Fan Fail/PWR Fail
LED Status (Red LED)
State Definition
Off
Normal
On
Overheat
Flashing
Fan Fail