DFI BT160 - Manual (Page 28)

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Chapter 2 Hardware Installation
Chapter 2
Cooling Fan Connectors
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.
1
3 Sense
Power
Ground
1 3
Sense Power Ground
CPU Fan
System Fan
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.
LAN 2 State
LAN 2 State
LAN 1 State
LAN 1 State
1 2
7 8
Pins Pin Assignment Pins Pin Assignment
1 LAN1_LED_1000- 2 LAN1_LED_100-
3 LAN1_LED_LINK_ACT- 4 +3.3V_standby
5 LAN2_LED_1000- 6 LAN2_LED_100-
7 LAN2_LED_LINK_ACT- 8 +3.3V_standby