TI 990/189 debugging

Eric Smith spacewar at gmail.com
Sat Dec 31 02:22:20 CST 2016

On Fri, Dec 30, 2016 at 7:53 PM, Josh Dersch <derschjo at gmail.com> wrote:

> Just to bring some closure to this old thread, I finally picked up a
> working TMS9980 cpu chip (after getting one faulty one off of eBay -- it
> was even more dead than the one it was replacing).  And it appears to work
> properly in the 990/189 board, with the 9.3V supplied on the CPU socket.


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