Mainboard KM51PV-754
11
Front Panel Headers: FPSWLED1, SPEAKER
FPSWLED1
Pin
Assignment
Function
Pin
Assignment
Function
1
HDD LED (+)
2
Power LED (+)
3
HDD LED (-)
Hard Drive LED
(
HD_LED
)
4
Power LED (-)
Power LED
(
ACPI_LED
)
5
Reset Control (-)
6
Power Switch (+)
7
Reset Control (+)
Reset Switch
(
RST_SW
)
8
Power Switch (-)
Power-on Switch
(
PWR_SW
)
9 N/C 10
N/C
Har
Res
Pow
Pow
Spe
d Drive LED Header
(Red)
: HD_LED
If your case front panel has a hard drive LED cable, attach it to this header. The LED will flicker
when there is hard disk drive activity.
et Switch Header
(Blue)
: RST_SW
This header can be attached to a momentary SPST switch (reset button) cable on your case
front panel. The switch is normally left open. When the switch closed, it will cause the
mainboard to reset and run the POST (Power-On Self Test).
er-on Switch Header
(Orange)
: PWR_SW
This header can be attached to a power switch cable on your case front panel. You can turn
your system on or off by pressing the button attached to this power switch cable.
er LED Header
(Green)
: ACPI_LED
Attach the power LED cord from the case front panel onto this header, then the power LED will
illuminate while the system is powered on.
aker Header
(Purple)
: SPEAKER
A speaker cable on your case front panel can be attached to this header. When you reboot the
computer, this speaker will issue a short audible (beep). If there are problems during the Power
On Self-Test, the system will issue an irregular pattern of audible beeps through this speaker.
Pin
Assignment
Pin
Assignment
1 PC_BEEP 2 N/C
SPEAKER
3 Ground
4 +5V
