I can try. But this will take a few days, as I don't have any PS/2 mice here and have to borrow it from a friend. But. Isn't it so, that PS/2 works only, if there would be a second IC on this big empty socket?

Hi! Sorry for creating a new account, but it seems, I've forgotten my password :/ But sending a new one says after clicking on the user: no such user.. To answer you question. I've hat a HOT-433 Rev 1.x to 3.x. Its not the smaller 4.0. Windows 95 was running fine, but it was just a test installation …