Re: 8MHz Zip Chip doesn't work?

["Michael J. Mahon" <mjmahon@aol.com>]

rg.jones@rogers.com wrote:
> Last year I picked up a nice IIc package deal. Included was a 8Mhz zip
> chip. At the time the guy ran the diags for me and they checked out
> okay. We really didn't run anything to demo the speed so I didn't think
> much of it.
>
> I was running Contiki today testing some stuff and at one point both
> the IIc and my IIgs (with a stock transwarp-gs) had the screen saver
> come on. I immediatly noticed a big difference in that the IIc was a
> lot slower.
>
> I search around and found the Zip utilities that came with the system.
> The system tests still pass and and software reports that it can turn
> the chip on and off. I see no difference at all when it is supposed to
> be on or off.
>
> I opened up the IIc and move the chip to another system and I see the
> same behaviour. Has any one heard of something like this before? Did I
> miss something simple?

I don't mean to be a party-pooper, but does it *look* like a Zip Chip?

-michael

Parallel computing for 8-bit Apple II's!
Home page:  http://members.aol.com/MJMahon/

"The wastebasket is our most important design
tool--and it is seriously underused."