Re: TED based motherboard

From: Anders Carlsson (
Date: 2007-04-27 14:24:48

Hello again,

MagerValp wrote on April 4th:

> I played around a bit with flipping bit 3:

Now I have received some spare EPROMs and have time in the weekend to
play around. Did anyone repair the whole 16K of BASIC ROM, or should
I rather burn myself a production ROM for testing? I'll post again if
I make some progress.

The missing chip in U4 worries me, if it might be a 82S100 type PLA.
Based on the ROM dumps, could it be assumed the board has a memory
map at least similar to the finshed 264 prototype? Not that I would
know how to go on from there anyway... :-)

Anders Carlsson

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