VIA Technologies NAB-7400, User Manual

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Installation
13
Case Connector: F_PANEL
The F_PANEL pin header allows you to connect the power switch, reset switch,
power LED, sleep LED, HDD LED and the case speaker.
Pin Signal Pin Signal
1 +5V 2 +5V
3 +5V 4 HD_LED
5 -PLED_2 6 PW_BN
7 +5V 8 GND
9 NC 10 RST_SW
11 NC 12 GND
13 SPEAK 14 +5V
15 Key 16 -SLEEP_LED
HDD LED (HD_LED): pin 2 & pin 4
HDD LED shows the activity of a hard disk drive. Avoid turning the power off
when the HDD LED still has a lit. Connect the HDD LED from the system case
to this pin.
Power Switch (PW_BN): pin 6 & pin 8
Connect to a 2-pin power button switch. Pressing this button will turn the
system power on or off.
Reset Switch (RST_SW): pin 10 & pin 12
The reset switch is used to reboot the system rather than turning the power
ON/OFF. Avoid rebooting the system, if the HDD is still working. Connect
the reset switch from the system case to this pin.
Sleep LED (-SLEEP_LED): pin 14 and pin 16
Power LED (-PLED_2): pin 1 & pin 5, or pin 3 & pin 5
The LED will light when the system is on. If the system is in S1 (POS - Power
On Suspend) or S3 (STR - Suspend To RAM) state, the LED will blink.
Speaker (SPEAK): pin 7 & pin 13
The speaker from the system case is connected to this pin.
F_PANEL
1 2
15 16