Re: Gravitar ROMS Version 3 not working... why?

From: John Robertson <pinball_at_telus.net>
Date: Sun Jul 07 2002 - 15:25:36 EDT

A 2532 can be substituted for a 2716 directly, as long as you burn the 2716
data in the 800 - FFFh section of the 2532. A 2732 won't be selected
without rewiring...

John :-#)#

At 01:04 PM 07/07/2002 -0500, Commander Dave wrote:

>Thanks for the info, but to put a 2732 in a socket that has a 2716 in there
>currently, wouldn't I have to make some modifications for it to work, like
>tie some pins or something?
>
>By the way, Jess, do you happen to know where I can send updates to the
>information on Gamearchive? I have found some errors (most are small), but
>don't know who to submit them to. I think I wrote to the email addresses on
>Gamearchive, but I didn't get a response and last I checked, nothing
>changed. Who do I send changes to, especially for the vector information?
>
>Thanks,
>-Commander Dave
>
>----- Original Message -----
>From: "Jess Askey" <jess@askey.org>
>To: <vectorlist@synthcom.com>
>Sent: Sunday, July 07, 2002 10:47 AM
>Subject: Re: VECTOR: Gravitar ROMS Version 3 not working... why?
>
>
> > Since the file is 4k, Im guessing that you need a 2732 instead. Zonn and
> > Miranda provided the images which were working then I think. Try the new
> > chip and let us know. If there is something I can do to make the
> > procedure more clear on gamearchive just let me know.
> >
> > Commander Dave wrote:
> >
> > >I burned some EPROMS from the Gravitar version 3 ROM images from
> > >Gamearchive. Everything verifies fine, but it plays blind. If I put back
>in
> > >the version 2 ROMS, all is well. I have rechecked the burn on the EPROMS
> > >twice.
> > >
> > >One thing to note is that I burned the .210 vector ROM into a 2716,
>because
> > >that is what my boardset has in it. Since the file is 4K and not 2K,
>should
> > >there be some kind of mod to use a bigger EPROM? Any other ideas why it
> > >played blind?
> > >
> > >Note that my Gravitar actually has a Black Widow boardset and has EPROMS
>in
> > >it already. I don't know if there is any differece or mods to a BW
>boardset
> > >that might affect the version 3 ROMS (I know BW is just a Gravitar PCB
> > >underneath the sticker). FYI.
> > >
> > >Thanks,
> > >-Commander Dave
> > >
> > >
> >
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> > >
> >
> >
> >
> >
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Received on Sun Jul 7 12:35:10 2002

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