Re: 3.5 drive on II+

["Bill Garber" <willy46pa@comcast.net>]

"Steven N. Hirsch" <shirsch@adelphia.net> wrote in message
news:0iRRa.4756$KZ.1636235@news1.news.adelphia.net...
> Peter Ibbotson wrote:
>
> > Michael is right. IIRC the problem is in the hold time on the data bus
the
> > cmos part removes the data too quickly for the data bus latches to work
> > reliably. One of the Apple //e tech notes discusses the problem (In this
> > case between a 6502 and a 6502A but the same thing applies).
>
> There's a one-wire mod which lets most 'C02s work on a II+.  I dug the
> attached up from Bob Sander-Cederlof's 'Assembly Lines' newsletter.  It
> worked fine on my II+.

Thank you Steve, I am going to give that a shot. I may need to get new 200ns
4116's. I seem to have a mix of 150's and 200's. That can't be good in
itself.
Wonder who owned this before I did.

Bill @ GarberStreet Enterprises };-)
Web Site - http://garberstreet.netfirms.com
Email - willy46pa@comcast.net



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