Re: Will pay good money for NON working PET 2001 motherboard.

From: silverdr_at_wfmh.org.pl
Date: Sat, 7 Nov 2009 15:32:19 +0100
Message-Id: <5E9A0E4E-B8F7-41D6-BCC2-7011851997C8@wfmh.org.pl>
>
> Now for more bad news. Today as I was running a simple for next loop  
> the screen suddenly went blank. I pressed the run/stop button and  
> there was the flashing cursor, however, whatever I type doesn't show  
> up on screen, it's as if I'm typing spaces. I restarted the machine  
> again, and after all my hard work I was devastated to see that the  
> 'Commodore Basic' greeting screen was not displaying either, just  
> the flashing cursor.
> looking closely at the character ROM, it seems to have been replaced  
> with and adaptor with another ROM soldered (not socketed) to the top  
> of that. On the adaptor is written '2316E PCB ADPTR'. The ROM is an  
> old ceramic type with gold legs and the top is rusted up enough so  
> that it is impossible to tell exactly what it is :-(
>
> Anyway, I'm guessing that maybe the character generator ROM has  
> died???

I would not put my bets on the CHAROM. In such case I believe you  
would have garbage all over the screen as even the clear screen is  
filled with characters (SPACE), which is also defined in the CHAROM.

How is it with the cursor? Does it move as you type?

-- 
SD!



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Received on 2009-11-07 15:00:26

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