23rd Feb 2021, 5:06 pm
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#624
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Octode
Join Date: May 2012
Location: Perth, Scotland
Posts: 1,821
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Re: Non-working Commodore PET 3016
On it. The EPROM is marked as TMS 2532JL-45
Colin.
Quote:
Originally Posted by SiriusHardware
With those three main devices removed the only components still left on the unbuffered data bus (apart from the data bus buffers) are the PROMs, so once again, with UC5,6,7 still out, can you remove combinations of UD6-UD9 to see if any of those allow the CPU to run when removed?
The EPROM which John programmed with the UD7 code for you, what sort of device was it in the end?
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