Re: IIgs peculiarities

["Charlie" <charlieDOTd@verEYEzon.net>]

"David Empson" <dempson@actrix.gen.nz> wrote in message 
1ivk1t0.1hybb3evsti5lN%dempson@actrix.gen.nz">news:1ivk1t0.1hybb3evsti5lN%dempson@actrix.gen.nz...
> vladitx <vladitx@nucleusys.com> wrote:

> SNIP <

>> 3) IIgs maximum RAM - banks $00 .. $7F are specified as RAM range.
>> This makes exactly 8MB. But the manuals keep saying 8.25MB. What is
>> the truth and where those 256KB came from?
>
> Anything saying 8.25 MB is simply wrong. The correct figure is 8.125 MB
> (8 MB plus 128 KB).
>
> The extra 128 KB is the "slow" memory in banks $E0 and $E1.
>

Isn't there another 128KB of RAM dedicated to the sound generation chip?

Charlie