Jesper Brondum wondered

>Where can I find that ?

You must be using a Mac II or LC. It's probably more effective and 
cheaper to buy a IIx or LC II, which has the 68030 and doesn't need a 
PMMU, than locate and buy the 68551. You should have no trouble moving 
any cards and drives from the old computer to the new one.

Dan Knight, IS manager/webmaster              dknight@bakerbooks.com
Baker Book House Company                 <http://www.bakerbooks.com>
6030 East Fulton                                   616-676-9185 x146
Ada, Michigan 49301                                 fax 616-676-9573

  Macs for productivity, Unix for stability, Windows for solitaire