Re: testing several 6530

From: Didier Derny <>
Date: Tue, 10 Jan 2017 14:57:58 +0100
Message-ID: <>
Hi Ruud :)

my goal is to check if they are working:

- download the content of the rom and check the content

- check if the ram is working

- check if the ports are ok

I've got 5, I just would like to determine if they have a chance to work 
or if it's just junk

On 10/01/2017 14:54, Baltissen wrote:
> Hallo Didier,
> The 6530 was a custom chip and was mask programmable. Including the meaning of some of the pins. Even if you can alter the contents of the ROM part of a 6530 in a magically way, you cannot exchange the 6530 of a a CBM drive with the one of a KIM for example.
> Have a look at this page:
> If you don't know exactly what the pin-out of a 6530 is, there is a good chance you won't be able to read and you run even a small chance to blow up things.
> Met vriendelijke groet / With kind regards,
> Ruud Baltissen
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