I have PB100, 140, 145, 160, 165, 165c, 170, 180c, and 190. How do I know which are "32-bit clean" and which aren't?
That's a good question.
It's hard to tell from just looking at the Mac. I guess you could use a tool like TattleTech or Tech Tool figure it out... Anyone else know how to figure it out in a fairly simple manner?
But more accurately, Gimba (link given in my previous email) gives a list of all 68030 based Macs which _are_ 32-bit clean, so if yours is on the list, it is 32-bit clean. All '040 Macs are 32-bit clean, so the 190 automatically qualifies.
If your PowerBook is on this list, it is 32-bit clean:
PowerBook 150, 160, 165, 165c, 180, 180c; PowerBook Duo 210, 230, 250, 270c
If it isn't on the list, it isn't 32-bit clean (which doesn't mean it _can't_ do 32-bit addressing, it just means that 32-bit addressing isn't supported in the PowerBook's ROM) and can't be upgraded to OS 7.6 or later.
Peace, Drew
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