From: mharris AT blackwidow DOT saultc DOT on DOT ca
Date: Sat, 15 Feb 1997 02:27:31 -0500 (EST)
Reply-To: mharris AT blackwidow DOT saultc DOT on DOT ca
To: "Colin W. Glenn" <cwg01 AT gnofn DOT org>
cc: "'OpenDOS newsgroup'" <opendos AT mail DOT tacoma DOT net>
Subject: Re: [opendos] Wish list
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On Sat, 15 Feb 1997, Colin W. Glenn wrote:

> On Thu, 13 Feb 1997 mharris AT blackwidow DOT saultc DOT on DOT ca wrote:
> > On Thu, 13 Feb 1997, Colin W. Glenn wrote:
> > > > > Hmmm, we could also make it refuse to run on Tandy TL'2's which don't have
> > > > > the 768k TPA installed....
> > > You never bothered to upgrade your memory?
> > Yep, got the machine for free 1 year ago, pulled some chips off
> > of an 8088 board that was laying around and upgraded from 512k to
> > 640k.  That's as high as it goes though.  I have an EMS board
> 
> Is there still 4 empty sockets on the motherboard?  That machine should be

There was 4 empty sockets, however I filled them.

> produce a 768k TPA, 640k regular, and 128k UMB.  Yes, it is weird, but
> that because the Tandy has the regular CGA mapped to (of course) B800h,
> the empty sockets are supposed to fill memory in between A000h and B800h,
> which is normally used for TGA, but if TGA is not _ever_ going to be used,
> then you should be able to access this extra memory with no problem.

I could be wrong on the memory thing.  I might allready have
768k.  There was 4 empty sockets there and I grabbed some chips
off of an 8088 board that I had, and the timings were the same so
I plopped them in the Tandy.  The memory messages on startup
showed the extra mem (I can't remember how much though).

Even if I could put more mem in the thing, I don't really need to
since all I use it for is running Telix, and for 3 small programs
(programsize < 40k with no malloc()'s) that read/write to 8255's
connected to the outside world.  I don't multitask it or need to.
I might find more of a use for it in the future but right now it
does what it needs to.  It would be cool though if I could fit
all the stuff I need into a ROM chip!!!!!!!  THIS WOULD
ROCK!!!!!!!!!!

What does the acronym "TPA" stand for?

TTYL

Mike A. Harris        |             http://blackwidow.saultc.on.ca/~mharris
Computer Consultant   |    My webpage has moved and my address has changed.
My dynamic address: http://blackwidow.saultc.on.ca/~mharris/ip-address.html
mailto:mharris AT blackwidow DOT saultc DOT on DOT ca

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