A1200Power wrote:...
Oh there is also some revision 1200 Mainbord which doesn't work very well with turbo cards. As i remember it was the REV B...
Have a look for 1200 timing errors with regards to this.
Also, I think it generally works best to take the computer apart to fit the turbo card. I noticed with mine, the card had to be stressed to fit through the trapdoor hole. Openning the computer will also give you a better idea if there may be anything else fouling the components.
