Cooling Fan Connectors; Front Panel Connector - DFI BW171 User Manual

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 ("SIO NUVOTON6106D" submenu) of the BIOS will display the current
speed of the cooling fans. Refer to the chapter 3 for more information.
Chapter 2 Hardware Installation
Chapter 2
1 1
3 3
System Fan 1 ystem Fan 2
S
1

Front Panel Connector

HDD-LED - HDD LED
This LED will light when the hard drive is being accessed.
RESET-SW - Reset Switch
This switch allows you to reboot without having to power off the system.
PWR-BTN - Power Switch
This switch is used to power on or off the system.
PWR-LED - Power/Standby LED
When the system's power is on, this LED will light. When the system is in the S1 (POS - Power
On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend To
RAM) state, it will blink every 4 seconds.
Pin Pin Assignment
3 3V3
HDD-LED
5 HDD_LED
7 GND
RESET-SW 9 Reset
11 NC
24
Front
Panel
12 11
1
RESET-SW
PWR-BTN
HDD-LED
PWR-LED
2 1
Pin Pin Assignment
2 3V3SB
PWR-LED 4 3V3SB
6 Power_LED
8 GND
PWR-BTN
10 Power_Button
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