Click Start menu and select run.
Now type (sysedit.exe) in run and press enter.
System configuration editor will appear.
Here you can see some multiple windows but you will
select (system.ini).
This window contains a line (386enh)
Now after this line type (irq14=4096)
Now close this window and save it.
Reboot your computer now.
You will surely feel better performance of your
computer.
Enjoy.