ISO M100, M102, M633 flip chips for DEC TC08N controller

[Josh Dersch]

On Fri, Oct 1, 2021 at 1:09 AM Joshua Rice via cctalk <cctalk at classiccmp.org>
wrote:

>
>
> ------ Original Message ------
> From: "Josh Dersch via cctech" <cctech at classiccmp.org>
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Sent: Friday, 1 Oct, 2021 At 08:33
> Subject: ISO M100, M102, M633 flip chips for DEC TC08N controller
> Hey all --
> I have a TC08 DECtape controller that I'd like to convert to a TC08N
> (the
> negibus version of the TC08). If I'm reading the documentation right,
> this
> involves swapping in a few flip chips -- M100 for the installed M101,
> M102
> for M103, and M633 for M623.
> If anyone has any of these, please drop me a line. Curious also if
> anyone
> out there has done this conversion and can comment on whether my
> assessment
> is correct...
> Thanks!
> - Josh
>
> I might be preaching to the choir here, but if you can't find originals,
> this website is an absolute goldmine for flip-chip schematics. If you
> can find the components (or modern equivalents) it might be worth making
> your own.
>
> https://so-much-stuff.com/pdp8/flipchip/Mxxx.htm
> <https://so-much-stuff.com/pdp8/flipchip/Mxxx.htm>
>

Yep, Vince has made an awesome site with a lot of incredibly useful things,
and if I have to I'll build my own replacements, should be fun.  But if I
can find original parts, I'd much prefer to use them.

Thanks!
- Josh



>
> Josh Rice
>