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Cooling Fan Connectors
1
4
Speed Control
Ground
Power
Sense
CPU Fan
COM 2
COM 1
These 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 Status" 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
Front Panel Connector
COM 2
COM 1
System Fan
1
3
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.
ATX-SW - ATX 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.
24
Front
Panel
Pin Pin Assignment
3
HDD Power
HDD-LED
5
Signal
PWR-LED
7
Ground
9
RST Signal
RESET SW
ATX-SW
11
N.C.
RESET-SW
HDD-LED
11
1
2
12
PWR-LED
ATX-SW
Pin Pin Assignment
2
LED Power
4
LED Power
6
Signal
8
Ground
10
Signal
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