[vcf-midatlantic] H89 for museum; gotek?

Jeffrey Brace jeffrey at vcfed.org
Fri May 14 22:23:14 UTC 2021

On Fri, May 14, 2021 at 5:14 PM Sentrytv <sentrytv at yahoo.com> wrote:

> I would love to come to the workshop tomorrow but I can’t.
> I will be selling my off some of my stuff up at the hamfest in Succasunna,
> New Jersey on Saturday.
> I may be able to try for Sunday but not sure yet.
> It would be nice to see these systems.

Well I hope that you can make it, if not then the next repair workshop on
June 12 & 13.

> Mike Rosen
> Sent from:
> My extremely complicated, hand held electronic device.
> > On May 14, 2021, at 3:52 PM, Herb Johnson via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
> >
> > 
> >>
> >>> On Sun, May 9, 2021 at 5:42 PM Jeff Salzman   wrote:
> >>> I have an H89 that was donated to me, for my collection. I will not be
> >>> donating it to the museum. The museum already has one. However, I will
> be
> >>> bringing this system to the next Workshop to clean, troubleshoot if
> >>> necessary, and test.
> >>>
> >>> Along with what I received are about 150 SSDD hard sectored disks of
> >>> personal software from when this system was being actively used back
> in the
> >>> late 70s/early 80s.
> >
> >>> I don't see [the museum's]
> >>> need for more than three or four disks on hand for demonstration
> >>> purposes, just like the Osborne and Zorba.
> >
> > Looks like I'll be able to attend the Workshop tomorrow. So I'll be able
> to assist Jeff Salzman with the Museum's H89 and his new acquisition, if
> that would be useful. Otherwise I offer to look at the Museum's warehouse
> of H89's and assess them while Jeff does his work. I'll bring some
> component parts but it's likely Jeff will bring what he needs. I assume he
> can do some repairs, and likely he'll bring his own diskettes along with
> the ones he acquired. If not, we can work with what's available. There's
> variacs around and that's a good tool for dormant computers.
> >
> > The Heath H89 is a good example of early 1980's Z80 personal computers,
> and noteworthy as a Heath product. For those unfamiliar, Heathkit was a
> premier electronics kit company for many decades, in the mid-20th century
> where one could make a career and job from servicing electronics. They
> provided test equipment, radio amateur equipment; their products were both
> learning tools and teaching tools. The H89 was a good business computing
> system, with support from local Heathkit stores and local computer stores
> of the era. The Z-100 followed the H89 and became a noteworthy MS-DOS
> computer and an S-100 system; the H8 was an early 8080 computer before the
> H89.
> >
> > They are all entirely serviceable today as is much 1970's 1980's
> equipment if one has digital-component-level skills; that being my
> interests. They ran CP/M and Heath's HDOS and have VT52-class graphics, so
> there's lots of software they can run. For some time, SEBHC folks have made
> new Heath-class boards, so that generates 21st century interest.
> >
> > Regards, Herb Johnson
> >
> >
> > --
> > Herbert R. Johnson, New Jersey in the USA
> > http://www.retrotechnology.com OR .net
> > preserve, recover, restore 1970's computing
> > email: hjohnson AT retrotechnology DOT com
> > or try later herbjohnson AT comcast DOT net

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