Re: ZIP GSX 1.0.1 vs 1.0.2

[Drew <GoggleDrew@gmail.com>]

On Aug 31, 9:41 am, "Michael J. Mahon" <mjma...@aol.com> wrote:
> heuser.mar...@freenet.de wrote:
> > On Aug 30, 8:42 am, Drew <GoggleD...@gmail.com> wrote:
> >> Well on the back of my 2 x 1.0.1 boards there is a capacitor...maybe
> >> thats the difference. Anyone confirm if there is a capacitor on the
> >> back of the 1.0.2 board?
>
> > I don't have the card but a photo of the 1.02 backside and it
> > doesn't have a capacitor there.
>
> > Judging by ebay auctions the 1.02 seems to be much more common
> > than the 1.01.
>
> If the capacitor is a small value (less than 0.01uF), then it is
> used to slow down a signal that was most likely creating a "race"
> condition on some cards.
>
> If the capacitor is 0.01uF or bigger, then it is a bypass cap
> that was installed to solve a power glitch problem.
>
> Either way, the 1.02 version apparently altered the logic in
> the gate array to eliminate the need for the cap--and possibly
> in a way that lowered the average upper limit on card speed.
> (This suggests that the cap is probably a small cap, and a race
> condition was the problem it was fixing.)

Hi,

Can't make any markings on the cap, but have put a photo up:-

ftp://drewbie.dyndns.org/RearofZipgsx.jpg

I got both my 1.0.1 cards at the same time and both have the same cap.

Cheers
Drew