Re: Transwarp IIe speed upgrade

[Wayne Stewart <waynes@intergate.bc.ca>]

Obsbedia2 wrote:

> Phoenyx,
>         I've never known you to give up so easily.  Here are two leads from my
> previous postings.  Shouldn't there be something buried in the old CSA2
> archives?
>         Jay Edwards
> =========================================
> In a message dated 99-05-04 19:35:27 EDT, you write:
>
> >Today, Western Design Center only makes 65C02 chips that are
> >rated at 14Mhz (if their 14Mhz 65C816 units are any indication,
> >the current design can probably go up to 20Mhz easily).
> >
> >       But, once again for us 1Mhz folks, replacing the 1Mhz 65C02 chip with
> the
> >newer 14Mhz chip won't speed up a regular Apple IIe, RIGHT?
>
> Right.  You need something like the Transwarp IIe or the
> TransWarp II or TransWarp III cards.  Then you'd need to
> overclock those cards with new oscillators.  Maybe you'd
> need faster RAM on the accelerators too.
>
> The exception is the IIc Plus.  Because the IIc Plus has
> a separate oscillator just for the CPU separate from the
> oscillator that provides timing to the rest of the IIc Plus
> motherboard, you can accelerate it just by dropping in
> the 14Mhz unit and changing the oscillator that clocks the
> CPU.
> =========================================
> Subject: Re: transwarp gs running at 14MHZ?
> From: supertimer@aol.com (Supertimer)
> Date: Mon, 14 June 1999 01:12 AM EDT
> Message-id: <19990614011232.18811.00001575@ng-ba1.aol.com>
>
> obsbedia2@aol.com (Obsbedia2) wrote:
>
> >There was posting on this a few weeks ago that also mentioned pumping up a
> >regular Transwarp on a IIe to 14Mhz by replacing one chip and maybe some
> >others.  Does anyone know just what is necessary?
>
> Though few users have done it, some have posted remarkable successes.
>
> The Transwarp IIe is pretty easy to accelerate.  You'll need a 14Mhz 65C02
> available from Western Design Center.  You'll need a faster oscillator, 4x
> the speed you want the CPU to run.  The hardest part of the upgrade is to
> replace all the RAM chips with faster ones.  I think the Transwarp IIe uses
> regular RAM, not SRAM, which is harder to find at faster speeds, but the
> speed of these has improved drastically, so such an upgrade should not
> be that hard.
>
> Are the RAM chips on the Transwarp IIe socketed or soldered?  If they are
> soldered, you need to be comfortable with soldering and desodering to
> replace them and upgrade your Transwarp IIe.
> =========================================
> =========================================
> << I guess we'll never know. Perhaps those who have done this are
> no longer in the Apple community. :-{
>
> --
>
> Thank you for your time and interest. I hope it was helpful
> or at least interesting. >>

Sorry but those leads are bogus.  The person that was saying it was
easy was only guessing and didn't know that there is no ocillator on a
TransWarp IIe.


     Wayne