TRS-80 Model IV

From: Lawrence LeMay <lemay_at_cs.umn.edu>
Date: Fri Nov 16 13:22:41 2001

I thought that they required a PAL in addition to extra ram chips, in
order to install a memory upgrade.

-Lawrence LeMay

> Maxing out the RAM is probably not a bad idea, but I'd suggest you attempt to
> figure out why the non-working ones don't work, and, if that's the only problem
> you can't solve, I'll happily send you the necessary DRAMs for the cost of
> postage.
>
> These are not complicated machines, so, once you've found the software and once
> you've located the defective components, they're probably pretty easy to fix,
> aside from the somewhat touchy business of desoldering parts from the rather
> low-quality PCB's.
>
> Dick
>
> ----- Original Message -----
> From: "Christopher Smith" <csmith_at_amdocs.com>
> To: "Classiccmp (E-mail)" <classiccmp_at_classiccmp.org>
> Sent: Friday, November 16, 2001 9:54 AM
> Subject: TRS-80 Model IV
>
>
> > Hi again. :)
> >
> > I just thought of another question. I have in my possession four TRS-80
> > model IVs. Two portables, (one working, one not), and two desktops (one
> > working, one not).
> >
> > The desktop will run in Model III emulation mode. The portable will turn on
> > and ask for a disk.
> >
> > Anybody know where I can find some operating system(s) for them?
> >
> > I'm also thinking about taking the ram from the non-working machines, and
> > using it to max out the memory in the working ones. Good idea, bad idea?
> >
> > Regards,
> >
> > Chris
> >
> > Christopher Smith, Perl Developer
> > Amdocs - Champaign, IL
> >
> > /usr/bin/perl -e '
> > print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
> > '
> >
> >
> >
>
Received on Fri Nov 16 2001 - 13:22:41 GMT