TI 990 architecture

[B Degnan]

>
> I can't state so categorically but my understanding is that they were very
> much the same.
> Going back to a conversation of a few weeks ago, when we were
> developing/running Verex/Thoth at UBC ca 1980 it was on a 990/10. The next
> major step in the project was to develop a distributed kernel for multiple
> processors. To this end, 3 bare single board computers based on the 9900
> chip
> were ordered and received from TI. Something makes me think they were
> called
> "990/5"s. I remember making up a front panel for the 3 of them with reset
> buttons and a few status LEDs to go in the rack with the /10. The idea, of
> course, was to use the 9900s because we already had the compilers,etc.
> generating code for the 990/10.
>


Here are some pics of possibly a related system that I posted a while ago.

http://vintagecomputer.net/ti/TI-990-101/

Bill D