Subject: Re: Building a Kernel for Classic II
To: Andrew Foakes <netbsd@foakes.demon.co.uk>
From: Paul Goyette <paul@whooppee.com>
List: port-mac68k
Date: 08/25/1998 13:03:59
On Tue, 25 Aug 1998, Andrew Foakes wrote:
 
> System RAM: 10452992 bytes in 2552 pages.
>      Low = 0x0, high = 0x9f8000
>   no internal video at address 0 -- videoaddr is 0xfee09a80
> 
> But then nothing and I have to hit the bong button.
> 
> [I assume the memory information is correct - 10Mb of memory with the 
> 512x342 display at the top ending at the highest byte.  Why is high less 
> than start of video? - I knew this once but have forgotten.  Is something 
> mapping here?]

Classic II appears to "pretend" that on-board video is in NuBus slot
0xe, hence the videoaddr address of 0xfee90a80.  This is a common thing
in several Mac models.

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