Sean Fahey wrote:
"Michael J. Mahon" <mjmahon@aol.com> wrote in message KaydnWMay8EKKcLenZ2dnUVZ_smdnZ2d@comcast.com">news:KaydnWMay8EKKcLenZ2dnUVZ_smdnZ2d@comcast.com...I think it's significant that you didn't need to replace the processor to obtain the higher speed. And the mod shown in the auction appears to have increased the cache size, as well, with the hard part being the conversion from 600-mil SRAMs to 300-mil SRAMs.Do you think all the changes were made topside? Nothing on the bottom of the board?
Good question. I haven't studied the topside mods, so it's hard to be sure. Maybe the seller would say... -michael Music synthesis for 8-bit Apple II's! Home page: http://members.aol.com/MJMahon/ "The wastebasket is our most important design tool--and it is seriously underused."