Re: trying to identify a rom...

From: Francesco Messineo <francesco.messineo_at_gmail.com>
Date: Thu, 18 May 2017 21:21:15 +0200
Message-ID: <CAESs-_z99gz9nK_Vd=8yag7KOp05BYukkFE6Jbn_h9L7qce9xA@mail.gmail.com>
If it was on a PET, it's either readable as 2532 or (much less probable) a 2716.
Frank

On Thu, May 18, 2017 at 8:56 PM, didier derny <didier@aida.org> wrote:
> there are no other marking on the top
>
> on the bottom there is a number: 41203  made with some ink
>
> I know roughly what is in this eprom but I'm not sure about the machine nor
> the rom type
>
> its a basic extension  but never seen this version 2.0 is probably the
> version of the basic with which it was used
>
>
> On 17/05/2017 22:21, Francesco Messineo wrote:
>>
>> On Wed, May 17, 2017 at 10:16 PM, didier derny <didier@aida.org> wrote:
>>>
>>> I'm trying to identifiy an eprom type to try to read it
>>>
>>> the rom is made by mos technology
>>>
>>> 24 pin
>>>
>>> datecode: 3680   (the 4000/8000 were not  sold at this time ?)
>>>
>>> label:  Edex 2.0
>>>
>>>
>>> my wild guess is to say it was for the commodore 3000  not found the
>>> schematics I guess it's equivalent to 2001N
>>>
>>> on the schematics  I found rom  6332  any datasheet any where ?
>>>
>>> what differences between a 2332 and a 6332  ?
>>
>>
>> I've never heard about 6332. 2332 is the classic 4k ROM, pin
>> compatible with 2532 EPROM type (NOT 2732).
>> Is there anything else under the label? There must be a part number too.
>>
>> Regards
>> Frank IZ8DWF
>>
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>
>
>
>       Message was sent through the cbm-hackers mailing list

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Received on 2017-05-18 20:01:55

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