Re: Sumcheck Error with Star Wars mathbox proms

I finally got around to trying the Star Wars Mathbox proms Andy uploaded.
They do work. I was able to load them into my programmer.

The Mame ones (or the ones on ionpool.net) won't load properly.

Just an FYI.

Matt

On Thu, 02 Oct 2008 15:48:13 -0500, Tom McClintock <tomm@bhpllc.com> wrote:
> So, are these PROM images corrupt?
>
> http://www.ionpool.net/arcade/atari/roms.html
>
>
>
>
>
> tm
>
> Andreas Kraemer wrote:
>> 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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>>
>>
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>>
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Received on Mon Dec 1 03:39:57 2008