Случайно обнаружился некий HyperBIOS

- makes screen output 2-3 times faster; – solves lot of compatibility issues; – remaps keyboard layout and makes it more comfortable; – supports low-cost joystick interface, developed by me. Many people said that this was the most usefull program for that PC
Здесь: http://www.deep-shadows.com/hax/wordpress/?page_id=301