Andrew reported:
> However, if the 'Change depth to: B&W' option is checked, then it
> will crash. The symptoms:
> 
>     - changes bit depth to B&W
>     - still displaying MacOS, it crashes:
>         - the screen is shrunk to about 1/4 size and repeated in
>         one horisontal row 4 times across the screen, and a bomb
>         box (which is very tiny) is displayed. I would estimate
>         it is trying to show 21 inches of image in about 5 inches.
>         - trying the panic button DOES work, but it uses the
>         extremely tiny-weeny resolution. I was able to do
>         'sm 0 a9f4 RETURN g 0 RETURN' (force quit), and then it
>         was working ok except it was still tiny.
> 
> This is a IIvx with a single Apple 2-page greyscale display (on
> the IIvx that means 16 greys) with matching nubus card. Virtual
> Memory is off, 32bit addressing is on.

	OK. Thanks for the concise bug description. I will try to
get a copy of 7.6.1 for testing.


...
> Is having localtalk disabled important?

	It probably isn't your immediate problem, but I think that
having it on can cause unwanted interrupts and kernel hangs. There
is an option in the Serial dialog to tell the Booter that localtalk
is connected to the printer port.

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