Re: 6540 Select Signals (Was: Re: 6550 pinout?)

From: Jim Brain <>
Date: Sun, 23 Aug 2009 22:22:16 -0500
Message-ID: <>
donni wrote:
> Hello Jim,
> If you have a look at the schematic at, you can see that 
> all the 6540 rom have the same chip select configuration:
I know, and that's how I read it as well. 
> Schematic of 6540 roms replacement: 
Might you have a chance to look at my schematic:

And see if my logic is correct?


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Received on 2009-08-24 04:00:05

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