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23
Chapter 2 Hardware Installation
Chapter 2
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-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.
PWR-BTN - Power Switch
This switch is used to power on or off the system.
Pin Pin Assignment
Pin Pin Assignment
HDD-LED
3
3V3
PWR-LED
2
3V3SB
5
HDD_LED
4
3V3SB
RESET-SW
7
Ground
6
Power_LED
9
RST Signal
PWR-BTN
8
Ground
11 N.C.
10
Power_Button
HDD-LED
RESET-SW
PWR-LED
PWR-BTN
12
11
2
1
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 chapter 3 for more information.
Front
Panel
1
3
Sense
Power
Ground
CPU Fan
System Fan 2
System Fan 1
1
3
Sense
Power
Ground
1
3
Sense
Power
Ground