Re: IIgs peculiarities

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

"Michael J. Mahon" <mjmahon@aol.com> wrote in message 
7eydnYjNw4cHPTzUnZ2dnUVZ_vninZ2d@giganews.com">news:7eydnYjNw4cHPTzUnZ2dnUVZ_vninZ2d@giganews.com...
> Charlie wrote:
>> "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?
>
> That's 64K.
>
> -michael

Oops!  You're right.

Charlie