Re: TWGS bad cable symptoms/AUX connector?

[mystix@direct.ca (Herbert Fung)]

In <19990421002433.16051.00003301@ng-fr1.aol.com>, supertimer@aol.com (Supertimer) writes:

>left it in the IIGS unmoved.  I don't expect the cable to be your problem,
>though, because you wrote earlier that your TWGS worked fine until
>the RamFAST was plugged in.

Actually I've had the RamFAST for years with my TWGS without problems. The
problem begun right after I converted my Vulcan drive to a SCSI based drive.
I can't remember exactly when but occasionally my runs unreliably I'd disconnect
everything including my TWGS and reseat all chips, cards and cables. Usually this
solved my problem. Since I had quite a few things apart when I did the conversion
a few years ago I probably decided to reseat everything too so it's conceivable
that I did move the cable. I always thought my problem was because my new
SCSI drive was a SCSI-2 drive. I tried 2 different drives with the same results
and everyone on CSA2 told me that SCSI-2 doesn't make a difference.

After awhile I gave up on my GS because I couldn't figure out what was wrong
and at the time CSA2 was becoming less and less useful due to all the flaming
going around.

>I've read that the key is to find one with gold plated wires.  I could be
>wrong on this.

I think the DIP connector were supposed to be gold. It's interesting to note on my
TWGS the connector on the board for the cable is just a regular pin type and the
AUX connector on the top is gold plated.

>>and fabricate a new cable. I sure hope my problem really is with my TransWarp
>>or I'm gonna feel really silly. :O
>
>But you'd have a fast IIGS one way or the other!  ;-)

Yes, but if the system can't run reliably it's not much use to me. But I'm
determined to solve the problem now that I've hopefully got a handle on
some helpful info. Besides, I always wanted to do the speed upgrade since
Apple Expo West when I saw Frank Lim's 15MHz GS. The only thing stopping me
then was a lack of 2B GAL chips, which I now know aren't needed.

>By the way, take a look at http://www.apple2.org/ Tony Diaz's web
>site.  I think that's the right URL.  His 16Mhz TWGS unit is working
>fine with his RamFAST...other neat things on his site are lots of pics
>and his "how to" guide to building of his two portable IIGS units!

I actually saw one of his portable units at AEW 6 years ago. It's a
cool unit to be sure.

>Applying the type of die shrink technology seen in Pentiums and
>PowerPCs, I'd bet 100 65C02s can fit comfortably on a single die
>the size of a Pentium or PowerPC.

That would seem to be a computer to be feared. "Revenge Of The Apple II's"

--
Herbert Fung
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