At 11:06 AM 2/28/2000, you wrote:
David, Which address lines do you add--A17-A19 ?? Do you then switch those via the ground pin 16--or are you switching through outputs O0-O7 ? If I ask a stupid question, please don't respond in kind <g>. Which of the A0-A16's did you apply to the socket...I don't have one of these handy, so I've got a lot of questions...
I ran the identically labeled lines for a 27C128 to the ECM. IE: A0-A16, O0-O7, power, ground, OE, etc. the lines that were additional on the 27C010 should only be A17 thru A19, and those were switched to ground thru the thumbwheel switch. I can draw up a diagram tonight and send it to you (and the list for that matter, as much interest as there is!)
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