Jp43: Cpu Cooling Fan Connector; Atp1, Pw3, Jp44: Power Supply Selection Jumpers - SOYO Pentium 82430 TX P54C User's Manual & Technical Reference

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JP43: CPU Cooling Fan Connector

This 3-pins connector provides 12V power for the CPU cooling fan
which matches the pin assignment of this connector. If you enable the
Suspend Mode function in BIOS setup, this fan will stop when the
system is into the suspend mode.
Note: Make sure the pin assignment of our CPU Cooling Fan is
matched with this connector before connecting it, otherwise,
you may damage either the mainboard or the cooling fan.

ATP1, PW3, JP44: Power Supply Selection Jumpers

These three jumpers let you select either the AT or the ATX power
supply. Use only one power supply at a time on this mainboard.
AT Power
Supply
(default)
ATP1
PW3
JP44
CPU Cooling Fan
Connector
(Pin Assignment)
ATX Power
Supply
1 1
1 (GND)
2 (12V)
3 (GND)
PW2
Hardware Setup
ATP1
AT PW
1
JP44