Cooling Fan Connectors; Lan Led Connector - DFI BT160 User Manual

Cooling Fan Connectors

CPU Fan
Sense 3
Power
Ground 1
The fan connectors are used to connect cooling fans. The cooling fans will provide adequate
airflow throughout the chassis to prevent overheating the CPU and system board components.
BIOS Setting
The Advanced menu ("PC Health Configuration" submenu) of the BIOS will display the current
speed of the cooling fans. Refer to chapter 3 for more information.
Chapter 2 Hardware Installation
Chapter 2
System Fan
1 3
28

LAN LED Connector

The LAN LED connector is used to detect the connection state of RJ45 LAN ports (J17 and J18
for LAN 1, and J15 and J16 for LAN 2) when the connection is made to an active network via
a cable. The pin functions of the LAN LED connector are listed below.
Pins Pin Assignment
LAN1_LED_1000-
1
LAN1_LED_LINK_ACT-
3
LAN2_LED_1000-
5
LAN2_LED_LINK_ACT-
7
8 7
1
2
LAN 2 State
LAN 2 State
LAN 1 State
LAN 1 State
Pins Pin Assignment
LAN1_LED_100-
2
+3.3V_standby
4
LAN2_LED_100-
6
+3.3V_standby
8
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