Overheat (OH)/Fan Fail LED
Connect an LED cable to the Front
UID and OH/Fan Fail connections on
pins 7 and 8 of JF1 to provide ad-
vanced warnings for chassis overheat/
fan failure. Refer to the table on the
right for pin definitions.
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/Fan Fail LED
X8DAH+
Rev. 2.01
B
2-23
Chapter 2: Installation
OH/Fan Fail LED
Pin Definitions (JF1)
Pin#
Definition
7
Vcc
8
OH/Fan Fail LED
OH/Fan Fail Indicator
Status
State
Definition
Off
Normal
On
Overheat
Flash-
Fan Fail
ing
PWR Fail LED
Pin Definitions (JF1)
Pin#
Definition
5
Vcc
6
Ground
A. OH/Fan Fail & UID LEDs
B. PWR Supply Fail
20
19
Ground
X
Power LED
HDD LED
NIC1 LED
NIC2 LED
PWR Fail LED
Ground
Ground
2
NMI
X
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Reset
Reset Button
Power Button
PWR
1