a little TI

From: James B. DiGriz <jbdigriz_at_dragonsweb.org>
Date: Wed Jan 10 10:01:48 2001

On Wed, 10 Jan 2001, Mike wrote:

> Hi gang and Happy New Year,
>
> It's great when you can rummage in one of your own piles and find something
> new... (Thanks Alzheimer's) Where'd that come from... ;)
>
> Anyway. I found a TI TM990/101MA card that's about 11x6 inches and can be
> seen at:
>
> http://personal.lig.bellsouth.net/lig/d/o/dogas/ti01.jpg
>
> I guess this came out of a 990 mini but it looks like everything is there to
> use it as a sbc. It's got jumpers for terminal/modem,bank,ram,eprom select
> and a few more. Google and dogpile didn't turn up anything and I'm looking
> for the pin specs for the connector edges, power requirements and any other
> info anyone might have.
>
> Also, while on the subject.... I have an extra TI TM990/U89 that I'd like
> to trade for a TI TM990/189 with someone in a complimentary position.
> Email me off list if interested.
>
> Cheers
> - Mike: dogas_at_bellsouth.net
>
>

Well, there were things such as the 990/602 development system which used
these 100 pin boards. The 990/4, 10, /12 use a different physical bus, and
I don't think the TM990 bus supports TILINE. CRU, yes. The boards for 990
minis have two fingers instead of the single, 100-pin, finger of the TM990
cards.

I have a VPU200 programmer for the 5TI sequencer which uses TM990
boards. I don't have any specs, manuals, or software, though.

The Nov. '82 issue of Home Computer Magazine has a description and a few
minimal photos of the 990/602. It's archived at
ftp://ftp.whtech.com/magazines/99er/99er8211.max

jbdigriz
Received on Wed Jan 10 2001 - 10:01:48 GMT

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