Subject: Re: IIgs RAM drive question
Newsgroups: comp.sys.apple2
From: dempson@actrix.gen.nz (David Empson)
Date: Sun, 19 Dec 1999 01:16:09 +1300
Message-ID: <1e31cja.1muf4rs14vw6psN%dempson@actrix.gen.nz>
References: <OFCABEF78C.DB5FF43C-ON8525684B.00277FDF@notes.chrysler.com>
Organization: Empsoft
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<Use-Author-Address-Header@[127.1]> wrote:

> In message <0004335f719-522-1488@www.goblinsreach.org>
> "Adalbert Goertz" <goertza@fatalerr.com> writes:
> 
> >re
> >Hi Steve, there is a feature of ProTERM 3.1 that lets you set slot 2
> >to 'your card' and still allow ProTERM 3.1 to access the serial
> >>>
> >Adalbert Goertz responds >>>>>>>>>>>>
> >>>
> >This is not a feature of PT3.1, but a feature of ROM 01
> 
> Very interesting. Could you explain further? I was sure
> that Proterm accesses the serial port directly instead
> of using the firmware which is why you can set slot 2
> to 'your card'.

I'm pretty sure you are right, and Adalbert is mistaken.

ProTerm's ability to access the IIgs serial port no matter how slot 2 is
set is due to ProTerm's serial driver bypassing the serial firmware and
dealing directly with the Z8530 SCC (which is not in the slot I/O space,
so it isn't affected by the control panel settings).

This is not a general feature for all communications software.  Some
other programs might offer the same feature, but most don't.

-- 
David Empson
dempson@actrix.gen.nz
Snail mail: P O Box 27-103, Wellington, New Zealand