Selectable chips & boost programming

[Programmer]

David,

That'd be great--I'm starting to get brain drain from tuning <g>...

Lyndon Re: Selectable chips & boost programming


>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!)
>
>===========================================================
>David Cooley N5XMT Internet: N5XMT at bellsouth.net
>Packet: N5XMT at KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
>We are Borg... Prepare to be assimilated!
>===========================================================
>
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