My Second Mac

[Sridhar Ayengar]

Teo Zenios wrote:
>> Earlier revisions of ColdFire weren't compatible with older 68K.  The
>> latest revisions are now compatible enough to work as replacements for
>> the 68060.  If memory serves, the ColdFire chips that work for replacing
>> an '060 are latest two revisions.
>>
>> I've seen a ColdFire upgrade board for the Amiga 4000.  It's blazing fast.
> 
> The 68060 was quite a bit different then the 680x0 that were released before
> it (they started taking things out of the hardware at that point). A 68060
> will not boot Mac OS (even with the voltage adapter board used in 040 to 060
> conversions for the Amiga) and from what I recall needed emulation done in
> software to work correctly on the Amiga as well.

 From what I understand, Motorola made the line simpler and simpler as 
time went on.  I think they did it so that they could get the clock 
speeds up.

Peace...  Sridhar