New Motorola MC6882FN25 runs up to 40 MHz when over clocked with no issue

Many asynchronous 68030 boards were made for many platforms

Atari

Amiga

Apple

Etc

This floating point coprocessor can run synchronously or asynchronously in conjunction with your cpu

Absolutely guaranteed to run any speed to 40 MHz without issue . We’ve overlocked thousands of these

40 years in this market , please ask questions