Re: ROM 1 and 3 differences

[nathan@visi.com (Nathan Mates)]

In article <MPG.d7bf986bd3390e989688@news.wco.com>,
Brandon Corey <deckard@dsp.com> wrote:
>  What are the differences between a ROM 1 and ROM 3 iigs?  Is there any 
>speed difference?

   The comp.sys.apple2 Frequently Asked Questions (FAQ) at
http://www.visi.com/~nathan/a2/faq/csa2.html section 2.6 ("The Apple
IIGS") has a far more complete list than I'd care to either retype or
cut and paste in. 

   In short, the ROM 3 has more RAM on the motherboard, more tools in
ROM, different slot functionality, and more incompatabilities with
'On-the-metal' programs like demos and certain games. Because code in
ROM executes slightly faster, the extended amounts of the toolbox in
the ROM 3's ROM allow toolbox-using apps to execute slightly faster.
Non-toolbox (//e programs, most games) will have little to no
difference.

Nathan Mates

--
<*> Nathan Mates http://www.visi.com/~nathan/      <*>
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