2-10
H8DMU+ User's Manual
NIC1 LED
The NIC1 (Network Interface Control-
ler) LED connection is located on pins
11 and 12 of JF1. Attach the NIC1
LED cable to display network activity.
Refer to the table on the right for pin
defi nitions.
NIC2 LED
The NIC2 (Network Interface Control-
ler) LED connection is located on pins
9 and 10 of JF1. Attach the NIC2
LED cable to display network activity.
Refer to the table on the right for pin
defi nitions.
NIC1 LED
Pin Defi nitions (JF1)
Pin# Defi nition
11
Vcc
12
NIC1 Active
NIC2 LED
Pin Defi nitions (JF1)
Pin# Defi nition
9
Vcc
10
NIC2 Active
Overheat/Fan Fail/Power
Fail/UID LED
Connect an LED to pins 7 and 8 of
JF1 to provide advanced warning of
chassis overheating, a fan failure or
a power supply failure. These pins
also work with the front UID indicator,
which will activate as either a solid
or fl ashing blue LED depending on
whether the LED was activated via
IPMI or the UID button. Refer to the
tables on the right for pin defi nitions
and status indicators.
OH/Fan Fail/Power Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
7
UID LED Signal
8
OH/Fan Fail/Pwr Fail Signal
Red LED Indications
State Indication
Solid
Overheat
Blinking (1/4 Hz)
Power Fail
Blinking (1 Hz)
Fan Fail
Blue LED Indications
State Indication
Solid
UID (via Button)
Blinking
UID (via IPMI)
HDD LED
The HDD (IDE Hard Disk Drive) LED
connection is located on pins 13 and
14 of JF1. Attach the IDE hard drive
LED cable to display disk activity.
Refer to the table on the right for pin
defi nitions.
HDD LED
Pin Defi nitions (JF1)
Pin# Defi nition
13
See below*
14
HDD Active
* Pin 13 is for UID button (when used with UID
panel) or for 3.3V power for HDD LED (when
used with non-UID panel)
