If I were you I would suspect the cable or connector(clean or replace the PS/2 connector in keyboard)
Agree. Northgates will play very well with modern PCs with some keyboard remapping and good cables. The cable combo from cablestogo.com that has worked well for me is:
Item #: 09471
Product: 10ft PS2 M/M Keyboard/Mouse Cable
Stock Status: In Stock - Ready to ship today!
Quantity: 1
Item Price: $12.99
Total Price: $12.99
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Item #: 27225
Product: 1ft USB to PS/2 Keyboard/Mouse Adapter Cable
Stock Status: In Stock - Ready to ship today!
Quantity: 1
Item Price: $19.99
Total Price: $19.99
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