Thanks, Brian, that’s very helpful.
Randy
> On Jul 25, 2018, at 1:12 AM, Brian White <[email protected]> wrote:
>
> Randy I never answered your last question about the Model 200 cable.
>
> It's these two items:
>
> https://www.amazon.com/gp/aw/d/B003PU1EVG/
> <https://www.amazon.com/gp/aw/d/B003PU1EVG/>
>
> https://www.amazon.com/Connector-Rainbow-Ribbon-Cable-1-6ft/dp/B00XP54YKE/
> <https://www.amazon.com/Connector-Rainbow-Ribbon-Cable-1-6ft/dp/B00XP54YKE/>
>
> These are just representative examples pulled up quickly from amazon on my
> phone. You can get the same things lots of different places including ebay
> and digikey etc.
>
> That's it. You just stick the gender changer into one end and stick that end
> into the 102 or 200.
>
> For polarity assurance, just keep the cable flat all the way to the computer.
>
> That's it. No soldering, and the lack of polarity key on the computer end has
> an easy answer. And that cable works the same on both 102 and 200.
>
> I mean it can buch up or fold or loop any way it wants once it's connected,
> but just imagine both the DVI and the computer are sitting on a table, with
> the back of the computer facing the front of the DVI, and both boxes are
> sitting right-side up on their feet. From that starting position, the cable
> travels from under the front of the DVI to the computer without twisting or
> folding over. Whichever side of the cable is the bottom at the dvi, is also
> the bottom at the computer. If it was a grey cable instead of tha rainbow
> one, you could write "bottom" & "top" or "up" & "down" right on the cable at
> the computer end with a sharpie, and that would be enough for even an
> unsuspecting future owner to get it right safely. The DVI end is polarity
> keyed so you don't have to worry about that end.
>
> The only remaining annoyance with that cable is when you pull the cable out
> of the computer, the gender-changer pins are just as likely to stay in the
> computer as stay on the cable, and then they are a little difficult to get
> out of the computer because there is nothing to get a grip on. So you might
> want to use a tiny (tiny!) bit of super glue to keep the pins in the cable.
> Just enough to stick the two black plastic parts together, but try to avoid
> letting super glue wick and travel down into where the pins make contect
> inside the connector on the cable.
>
> Thanks to Mike Stein for the clue about the effect that kind of
> straight-through doulble-ended pin header ends up having on the pin mapping
> when you use one to butt two female idc plugs up to each other. It ends up
> having the same effect as the twists in the normal cable.
> --
> bkw
>
> On Tue, Jul 24, 2018, 8:10 PM Randall Kindig <[email protected]
> <mailto:[email protected]>> wrote:
> I currently have 2. Until a few months ago I didn’t have any and had never
> seen a working unit. Now I have 2 great working units.
>
> I allows the M100/102 to display on a monitor rather than the small LCD. It
> also gives it one or 2 disk drives. They are great, if finicky.
>
> Randy
>> On Jul 24, 2018, at 7:42 PM, Ken Gregg <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>>
>> I see one of these units up for auction on ebay right now:
>> https://www.ebay.com/itm/Radio-Shack-Tandy-TRS-80-model-100-disk-video-interface/223062580269
>>
>> <https://www.ebay.com/itm/Radio-Shack-Tandy-TRS-80-model-100-disk-video-interface/223062580269>
>>
>> On 7/24/2018 12:25 PM, [email protected] <mailto:[email protected]>
>> wrote:
>>> Oh! Well I've owned my M100 for years now and I had never seen the DVI. Are
>>> these rare? What advantages does this give over a stock M100 with a floppy
>>> drive? I gave a REX in mine, worth its weight in gold!
>>>
>>> Thanks for the replies guys, I still ashamed I didn't know what DVI was.
>>>
>>> Are these rare? Do many on the group have them?
>>>
>>>
>>>
>>> Sent from my iPad
>>>
>>> On 24 Jul 2018, at 8:12 pm, Kurt McCullum <[email protected]
>>> <mailto:[email protected]>> wrote:
>>>
>>>> DVI = Disk Video Interface. It expanded the 100 or 200 with a 180k 5.25"
>>>> disk drive and an external monitor. Attaches to the system bus and has
>>>> it's own DOS.
>>>>
>>>> Kurt
>>>>
>>>>
>>>> On Tue, Jul 24, 2018, at 12:07 PM, [email protected]
>>>> <mailto:[email protected]> wrote:
>>>>> Perhaps I missed the memo, but I'm not familiar with DVI. Other than it
>>>>> being a firm video output.
>>>>>
>>>>> What is DVI in relation to the M100?
>>>>
>>
>
