37
Chapter 3: Motherboard Connections
Power LED
The Power LED connection is located on pins 15 and 16 of JF1.
HDD LED
The HDD LED connection is located on pins 13 and 14 of JF1. This LED indicates all HDD
activity.
NIC1 (LAN)
The NIC (Network Interface Controller) LED connection for LAN port is located on pins 11
and 12 of JF1. This LED displays network activity on the LAN port.
Power LED
Pin Definitions (JF1)
Pins
Definition
15
+5V
16
Power LED Active
HDD LED
Pin Definitions (JF1)
Pins
Definition
13
+5V
14
HD Active
LAN LED
Pin Definitions (JF1)
Pins
Definition
11
Vcc
12
Ground
Fan Fail
Connect an LED cable to Fan Fail connections on pins 7 and 8 of JF1 to provide warnings
for chassis overheat/fan failure.
Fan Fail LED
Pin Definitions (JF1)
Pins
Definition
7
Vcc/Blue UID LED
8
Fan Fail LED
Fan Fail/Overheat
Indicator Status
Pin#
Definition
Off
Normal
On
Overheat
Flashing
Fan Fail