Re: Transwarp GS ROM 01 vs ROM 03

["Bryan Parkoff" <nospam@nospam.com>]

"Rusty" <rdekema@gmail.com> wrote in message 
1176237665.942255.26650@n33g2000cwc.googlegroups.com">news:1176237665.942255.26650@n33g2000cwc.googlegroups.com...
> Greetings,
>
> Do any of you know why a Transwarp GS might work in a ROM 01 GS but
> not in a ROM 03 GS?
>
> I ask because my recently-repaired TWGS (v1.5) does exactly this. It
> works perfectly, passes all self-tests (both the TWGS and IIGS self
> tests), and results in a stable system on my ROM 01 GS, but does not
> work at all on my ROM 03 GS. When I power it up in the ROM 03 unit,
> the computer acts like there is no CPU installed at all - I just get
> the black and white checkerboard pattern on the monitor, and the green
> LED on the TWGS does not light up.
>
> The ROM 03 IIGS works perfectly well using the stock processor (is
> stable, passes the self-tests, etc).
>
> It's not a big deal by any means and I am mainly just thrilled to
> finally have a working accelerator. But if I could easily change
> something to make it work in the ROM 03 GS, I'd prefer to do so.
>
> Henry from GSE-Reactive mentioned a couple of configuration bowties
> that might need to be opened (cut) on the TWGS card, but he said he
> was not familiar with this exact situation and recommended asking
> here.

Rusty,

    I suppose Henry should able to provide you EPROM chip which it contains 
firmware version 1.8.  It should work on Apple IIgs ROM 03.  Try to upgrade 
from firmware version 1.5 to version 1.8 if possible.

Bryan Parkoff