SOYO SY-P4I845PEISA - Manual (Page 27)

Hardware Installation SY-P4I845PEISA/GEISA
22
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 due
to most hardware and software compliance to ACPI mode.
Reset Pin Assignment
Control PIN GND
Pin1 Pin2
Speaker Pin Assignment
+
_
VCC Speaker out NC NC
+ _
ACPI LED Pin Assignment
2.5V_DDR Control Pin