Re: IIgs...long delay and monitor glitches

[labelas@hotmail.com (Labelas Enoreth)]

In article <1dlncjf.p0912tvhko97N@dempson.actrix.gen.nz>,
dempson@actrix.gen.nz (David Empson) wrote:

> Labelas Enoreth <labelas@hotmail.com> wrote:
> 
> > Someone wrote: (Was it Supertimer?)
> > > In general, the ROM 3 is the better unit.  It has more standard
> > > motherboard memory (1MB), saves a slot when doing AppleTalk,
> > > has built in "Easy Access" tools so that you can run the computer
> > > without a mouse for example, has less noisy sound output, and
> > > a couple of other things I can't recall right now.  The quickdraw
> > > on the ROM 3 is supposed to be a bit faster.
> 
...
> - Hardware shadowing for text page 2, so "Alternate Display Mode"
> doesn't slow the computer down.
This is something I've been wondering, what exactly does Alt Display mode do?
I've been leaving it off...
...
> - Some cards work in more slots, e.g. the Video Overlay Card and Second
> Sight only work in slot 3 on a ROM 1, unless you make a minor
> modification to the motherboard, but work in slots 1-6 in a ROM 3.
Do you know offhand which cards exhibit this behavior?

> - RAM disk can be resized much more easily, and works considerably
> faster (System 6.0.1 brings the ROM 1 up to speed but doesn't help with
> resizing).
Really? It had been fast enough for me under 5-something, and it seemed to
resize fine (resize it and reboot, right?)
 
> Some memory expansion cards have problems.  Any card that sticks to the
> standard (one, two or four logical rows of memory, either 256KB or 1MB
> per row, all rows the same size) will work in either machine.  If the
> card supports more than 4MB it may have problems, depending on how it
> decodes the address.
Hmmmm. I think this is a card with 3<?> rows of chips...an AE card, I
think...the computer has about 1.5mb total, so it's...1mb?
Is this one I can upgrade? or...are maybe some of the chips bad?
It looks like row 1 and rows 2-3 are different chips, perhaps someone
tried to upgrade it with imporoper chips...but then again, none of the AE
diagnostic disks seem to even know what card it is...or crash.

> I'm pretty sure Arkanoid II works fine.  I know I played it after I got
> my ROM 3.
Whew, much better then...happy.

> [Labelas: could you please quote the name of the person who wrote the
> message you are replying to.  There have been two cases now where my ISP
> didn't get the original message but did get your reply, and I have no
> idea who wrote the text you quoted.]
Will do. I try to, but a lot of times when I cut out the stuff that may
not pertain or such, I do it without thinking.

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