On 06/11/2010 02:39 PM, David Griffith wrote:
On Fri, 11 Jun 2010, Chuck Guzis wrote:
Were there ever any "turbo" mods to run
an Apple II at more
than 2MHz without breaking the floppy logic?
Weren't the Zip Chip and Rocket Chip good enough to not cause problems
like that?
Yes, by slowing the clock to normal speed for some interval after every
access to the floppy controller I/O ports (usually C0E0..C0EF).
Eric