Re: Black widow or Gravitar R2 prom needed

Bob Roberts says he can burn this for me, if I can give him the image (which
I can get from mame) and the rom chip type. Looking at the chip itself it
appears to say M3-7603-E(or 5) next line is says 8229. Any help would be
greatly appreciated on being able to give Bob the exact PROM type of this
chip.

Mickey

----- Original Message -----
From: "Mathis Rosenhauer" <rosenhauer@pobox.com>
To: <vectorlist@vectorlist.org>
Sent: Wednesday, May 07, 2008 8:12 AM
Subject: Re: VECTOR: Black widow or Gravitar R2 prom needed

> R2 is the address decoder for Bit 11 - 15. If you can't get a dump of the
> PROM then it should be easy to generate the content from the memory map.
>
> Cheers,
> Mathis
>
> Mickey Johnson wrote:
>> I bought a nonworking gravitar board off of ebay. Turns out its a Black
>> Widow (which is fine.) It had a couple of chips missing (AVG and CPU,
>> and R2). The AVG and CPU are no problem, but where do I get the PROM
>> needed at R2. Its described in the manual as a 136010-112.
>>
>> What is the chip (is it a color prom)? and where can I get one.
>>
>> thanks for any help Mickey Johnson
>>
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>
>

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Received on Wed May 7 18:14:51 2008