I also ordered some of the PCBs a while back, built one then realised I
couldn't use it in a Model 102. However, since then I have obtained a Model
100 but it has substantial corrosion to the mainboard and keyboard
connectors so it may be a while/never before it is functional again.

On 30 March 2016 at 20:14, Mike Stein <[email protected]> wrote:

> Hi Georg,
>
> Thanks for the plug; you beat me to it. When I've mentioned this
> adapter there's usually been little or no interest so it's gratifying to
> read that someone else has actually built one and is happy with it.
>
> I haven't tried it but I see no reason why it would not also work in the
> option ROM socket with a suitable spacer; in fact that might also give you
> the option of two (or even more) option ROM images.
>
> Regarding the pins, yes, the ones I used seem to have become scarce and/or
> expensive; however, you could probably use pins extracted from a suitable
> IC socket with the tops cut off, or even just short pieces of wire.
>
> And thanks to Steve Adolph for his help in getting the original boards
> made and his excellent writeup on Bitchin100! Unfortunately since he was
> working with an old schematic the option jumpers are not shown or
> explained; they select a '256 or '512 ROM and also allow (re)programming if
> it's configured for a 'new' M100 (or you make a 'reverse' adapter).
>
> Perhaps it's worth mentioning again that when it comes to the pinout of
> the System ROM there are two versions of the M100: the original version
> used a chip with a slightly non-standard pinout, similar to the option ROM;
> some time late in 1983 (serial numbers starting with 311, 312 or 4) they
> changed to a JEDEC standard 27C256. See WhatVersionM100.pdf in Steve
> Adolph's personal library on Club100.
>
> Thanks again,
>
> mike
>
>
>
> ----- Original Message -----
> *From:* Georg Käter <[email protected]>
> *To:* Model 100 Discussion <[email protected]>
> *Sent:* Wednesday, March 30, 2016 11:04 AM
> *Subject:* Re: [M100] ROM Available
>
> Hi Bill,
>
> this http://bitchin100.com/wiki/index.php?title=M100ROM might do the job
> for you. I´m using it on my M100
> since ~1 year with a TS-DOS. Only difficulty was getting the pins here in
> Germany, but finally I got it.
>
> Regards
> Georg Käter
>
> ========== Ihre Nachricht ==========================================
>
> *von*      : Bill Nobel <[email protected]>
> *gesendet* : Mittwoch, 30. März 2016, 07:46
> *an*       : Model 100 Discussion <[email protected]>
> *Betreff*  : [M100] ROM Available
>
> __________ Originalnachricht _______________________________________
>
> > Hi Kurt
>
> > Question for a Model T newbie (but not a newbie in a programmer
> > sense).  I have an eprom burner and a bunch of 27c256 eproms. How
> > hard is it, or if you can reference a schematic to remap the option
> socket to this eprom.
>
> > I have been playing with Byteit assembler on the T alone to
> > transition myself from a hardcore 6809 programmer to the 8085 (not
> > finding it that difficult other than not knowing memory layout by
> > heart yet)  I do have VirtualT up and running for my real programs
> > that I have in mind, as well as asm85 on my PC.  I would also like
> > to know if Byteit is my best choice for the assembler on the T alone
> > (I can’t seem to find a good assembler on the T).
>
> > My problem I wish to resolve is to get TS-DOS onto the option rom
> > so I can use TPDD protocol instead on ASCII/XMODEM transfers.  I
> > seem to have good communication between the PC/Model-T @ 4800 baud
> > for ASCII & 19,200 baud for Xmodem, but have never gotten any of the
> TPDD Servers/Clients working..
>
> > Bill Nobel
>
> >> On Mar 29, 2016, at 11:15 PM, Kurt McCullum <[email protected]>
> wrote:
> >>
> >> The beta version of SARDOS for the NEC is available for download. Gary
> Weber put it on the web8201.net site for me.
> >>
> >> Kurt
>
>
>
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