> 
> >     Now, i've upgraded to 8MB and
> > installed an apple 8 bit video card, and it still wont boot. It gets the
> > the part where its supposed to clear the screen, but instead it just
> > freezes.  I do have the PMMU installed, i'm running system 7.5.5, I have
> > mode32 7.5 installed, 32-bit addressing is on, VM/ram doubler is off,
> > and SCSI is terminated.  I've disconnected my hard drive and put it on
> > an LC475, and it was able to at least clear the screen, so I know the
> > kernel isn't corrupted.  Anyone able to help?
> 
> Is there an appletalk deskwriter attached?  this will do that, even with 
> localtalk shielding on . . .

Though Rick is right that the LocalTalk shielding didn't work as expected,
it should make it at least to about where the copyright should come
up, so you should see the screen blank. (Interrupts are off while we
frob the PMMU, and we seem to print messages while we do it)

Take care,

Bill