Subject: Re: Mac IIsi problems
To: Allen Briggs <briggs@puma.macbsd.com>
From: Hauke Fath <hauke@Espresso.Rhein-Neckar.DE>
List: port-mac68k
Date: 09/01/1997 22:44:59
At 1:02 Uhr +0200 30.08.1997, Allen Briggs wrote:

>Hmm...  With a IIsi not using internal video, there might be a problem
>because of how the memory is mapped differently.  With internal video
>enabled, the part of bank A not used for the display is mapped to
>follow bank B and bank B is mapped to 0x0.  With internal video disabled,
>bank A is at 0x0 and bank B is mapped to follow bank A (at 1MB).  The
>IIci is the same, but most people have more than 1MB in bank A of their
>IIci so it's not a problem.

This may well be the right track. At least, my IIsi (running on serial
console) used to crash during boot until I gave it a dummy 15pin SubD plug.

	hauke


>
>Can you try using the internal video, if you're not using it?
>
>-allen



--
"It's never straight up and down"     (DEVO)