Re: Upgrading Original IIe Motherboard

[nathan@visi.com (Nathan Mates)]

In article <k480886@pro-nsdapple.cts.com>,
Tom Kelly <tomk@pro-nsdapple.cts.com> wrote:
>I have several questions about the original IIe.
>1) Can it be enhanced with enhancement chip set (65c02, CD, EF, Video ROMs)?

   Yes. This enhancement can be done independently of the motherboard
upgrade to support DHR. 

>2) Was the motherboard upgrade to support DHR FREE?
>   If so, it still available?

   Not sure. This was a feature, not a necessary bugfix, as the original
//c motherboard with slow serial ports case was.

>3) How can I modify the motherboard myself to support DHR?

   I'd expect it was more than just a jumper setting or two, but a few
extra connections, etc. If you feel very adventurous, pull out a
magnifying glass, and follow all the traces on both boards until you
note the differences.  Patch at your own risk. :)

Nathan Mates

--
<*> Nathan Mates http://www.visi.com/~nathan/      <*>
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