AB Soft ATX 12V - Manual (Page 30)

Hardware Installation SY- P4I865PE Plus DRAGON 2
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2. Reset
Plug the Reset push-button cable into the 2-pin Reset header on the
Motherboard. Pushing the Reset button on the front panel will cause the
system to restart the boot-up sequence.
3. Speaker
Attach the 4-pin PC speaker cable from the case to the Speaker header on
the Motherboard.
4. ACPI LED
Connecting the 2-pin ACPI LED cable to the corresponding ACPI LED
header will cause the LED to light whenever the system is in ACPI mode.
The manufacturer has permanently set this Motherboard in ACPI mode for
PC99 requirements.
Speaker Pin Assignment
+
_
VCC Speaker out NC NC
+ _
ACPI LED Pin Assignment
2.5V_DDR Control Pin
Reset Pin Assignment
Power Good GND
Pin1 Pin2