Re: Can anyone help me with TranswarpGS problems?

["Tim Haynes" <timhaynes@no.spam.please.alumni.uwaterloo.ca>]

Awesome... I have submitted my order for a few crystals and will post again
when they arrive.

Incidentally, I have had my TWGS running in continual self-test for about 36
hours straight now, with no glitches.  Yay!

Cheers
Tim

"Dean Shutt" <junk@punaka.com> wrote in message
3pfje09tr8ke436352oto9braof2lg3ssq@4ax.com">news:3pfje09tr8ke436352oto9braof2lg3ssq@4ax.com...
> They look OK to me.  Package size and pinout appear to be identical.
>
>
> On Mon, 5 Jul 2004 10:38:48 -0400, "Tim Haynes"
> <timhaynes@no.spam.please.alumni.uwaterloo.ca> wrote:
>
> >Hi Dean,
> >
> >Thanks for pointing me at mouser - they look great!  Nice prices with no
> >minimum - very sweet.
> >
> >I'm going to try getting a 48MHz and a 50MHz crystal, on the off-chance
that
> >I can squeeze out 12.5MHz from the TWGS.  What do you think of this line
of
> >crystals?
>
>http://www.mouser.com/index.cfm?handler=displayproduct&&lstdispproductid=56
3282
> >
> >They have 48 and 50 MHz versions so I can get one of each.  The one you
> >pointed out has only 48, but I will go with it if you think the one I
found
> >is no good.
> >
> >Thanks!
> >Tim
> >
> >"Dean Shutt" <junk@punaka.com> wrote in message
> >l6ohe05g2erlif8csq1ompjm5hi214di6h@4ax.com">news:l6ohe05g2erlif8csq1ompjm5hi214di6h@4ax.com...
> >> www.mouser.com is a good source.  A 48 Mhz crystal is $1.70 and Mouser
> >> has no minimum order.  I ordered a number of different frequency
> >> crystals to test in my Transwarp GS from this source.  The 48 MHz part
> >> number is 520-TCH4800.
> >>
> >> Check the web site for the other speeds available.  They range from 1
> >> MHz to 66.666 MHz all at the same price.
> >>
> >>
> >>
> >>
> >>
> >> On Sun, 4 Jul 2004 16:17:36 -0400, "Tim Haynes"
> >> <timhaynes@no.spam.please.alumni.uwaterloo.ca> wrote:
> >>
> >> >Thanks to Mark, Glenn, and Wayne for their suggestions regarding
> >replacing
> >> >the CPU on my TWGS.  I did the swap today, and have posted some
pictures
> >of
> >> >the work to my website again (www.csclub.uwaterloo.ca/~tshaynes/TWGS).
> >The
> >> >new pictures are dated today (July 4).
> >> >
> >> >I had to remove a plastic collar from around the CPU, and I did that
with
> >> >tiny screwdrivers.  after that, replacing the chip was easy.  I
> >considered
> >> >drilling a small hole through the bottom and pushing it out, but you
can
> >see
> >> >that that would be inadvisable as there seem to be some metal contacts
on
> >> >the top of the PCB beneath the socket that are not visible from
beneath
> >the
> >> >PCB.
> >> >
> >> >Anyway, I swapped in the faster CPU and got a clean bootup right away
> >(even
> >> >without putting the plastic collar back on the socket!).  The very
last
> >> >picture I posted shows the TWGS booting up minus the collar on the
> >socket.
> >> >Heh.
> >> >
> >> >So I have it running a continual self-test.  After about 20 minutes,
have
> >> >been getting one freeze-up or another (last time it was socket
slowdown
> >> >test)... before that, it was a lockup on a RAM test).
> >> >
> >> >Does anybody know a good source for 50MHz half can crystal?
> >> >George from Michigan mentioned in email that someone at one point was
> >> >selling (for $10) gold plated chip/ribbon connectors.  Does the person
> >who
> >> >used to make them still come around?  Does anybody remember who that
was?
> >> >Was it Joachim?
> >> >
> >> >Thanks again
> >> >Tim
> >> >
> >>
> >
>