Re: Sumcheck Error with Star Wars mathbox proms

With some delay :D here are the mathbox proms from Starwars (read from the original and working chips, saved to disk, loaded from disk, burned/verified and tested ok in the pcb) Regards, Andreas

http://www.andysarcade.de/data/coinop/videogames/vectorgames/starwars/starwars_mb_proms.zip

"Andreas Kraemer" <andi_kraemer@t-online.de> schrieb:
> Just by chance I discovered the same two days ago when trying to load the images
> from MAME and I think the contents from ionpool had the same issue...
>
> Luckily the problem on my SW wasn't any of the mathbox PROMs. So I read them on
> my Data I/O 29B - Unipak 2B :-) Then saved them as a file and loaded them one back
> onto the programmer without a checksum error. Additionally I burned the -110 PROM
> newly (Harris 7643, cross to 82S137) and it worked like a charm. So I expect the files
> to be ok.
>
> I can only place the verified files on my site later today (if no one else is quicker).
>
> Andreas
>
>
> "John Robertson" <pinball@telus.net> schrieb:
> > Matt Rossiter wrote:
> > >
> > > I'm trying to load the four Star Wars Mathbox proms into my Data I/O
> > > 29B - Unipak 2B programmer. I keep getting a sumcheck error. I
> > > don't seem to have that problem with loading other proms, for example
> > > from the Tempest Mathbox.
> > >
> > > Has anyone else had this issue?
> > >
> > > Matt
> > >
> > Are you trying to read them or write to one? If you are getting this
> > error on a read on just one PROM then that PROM is unstable and probably
> > needs to be replaced...
> >
> > If you are reading from a file, and you are not using Absolute Binary,
> > then the file is likely corrupted
> >
> > John :-#)#
> >
> > --
> > John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
> > Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
> > www.flippers.com
> > "Old pinballers never die, they just flip out"
> >
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> >
>
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Received on Thu Sep 25 10:20:49 2008