Hello!

I wan't to change the [EMAIL PROTECTED] to a [EMAIL PROTECTED] in my Performa 
475. 
The two Chip's are pin compatible and the P475 starts booting, but short 
after Welcome-Message it stop's with "BUS-Error". I cannot boot from a 
known good external Zip, the P475 ignores the drive. I did no 
overclocking. The 68040 should run with 25 MHz.

Does the 68040-40MHz double the Bus-speed or external timer signal? Must I 
use a 68040-25 or 33 MHz Version?

BTW: Vintage Mac's merged with Compacts? Should I post to Vintage Mac's 
from now on?

Greetings

Uwe Fritz
http://www.oldmac.de


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