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   comp.sys.cbm      Discussion about Commodore micros      53,866 messages   

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   Message 53,097 of 53,866   
   Terry Raymond to All   
   Super CPU problem (not heat related)   
   08 Jul 20 14:50:20   
   
   From: traymond160@gmail.com   
      
        Hi all,   
      
     During my work with making the CGSC Sid collection more useable, mainly with   
   most of the Sid music files I ran into a small problem that involves the   
   CMD Super CPU.  This doesnt seem to be a cooling problem.   
      
     This problem first occured on my C64C,   
     Had my V1 Super CPU plugged in (the Ramcard is broken) I use it for the   
   speed and Jiffy Dos mainly.   
      
     I used my UIEC2SD set at Device#8   
     I used the Stereo Player V10.3.  Using this with the above player you first   
   have to disable FASTLOAD it isnt compatible with the UIEC2SD, save that   
   configuration and then its ready to load Sid files.   
      
     So after the computer had been on for about 4 hours I went to load a Sid   
   file to test but it wouldnt load, and the activity light on the UIEC2SD would   
   not come on, but the computer didnt lockup.   
      
     I powered down, removed the Super CPU, tried again and then the Sid files   
   would load just fine.   
      
     I tried all this again on my NTSC 128DCR,   
     V2 Super CPU with 16mb Ram   
     Had this running for 4 hours it still then at that time wont load a Sid file.   
     I remove the Super CPU and the Sid files load just fine.   
      
     All I can come up with is maybe the StereoPlayer must have some   
   compatibility problem with the Super CPU, or maybe it is a heat issue.   
      
      
     BTW my V2 Super CPU I found a way to mount a small CPU cooling fan in the   
   side of the main case, it works really well.  I also tested this to see if the   
   Ram would stay cool enough so there were no lockups, this has worked very well   
   for quite a few    
   years.   
      
     Oh I even tried a different drive but the Sid files still wouldnt load up   
     again still on for 4 hours, so its not the UIEC2SD either.   
      
     So yeah swapping the SCPU out proves the Super CPU is causing the Stereo   
   Player not to load any files, again the drive light wont even come on but the   
   computer isnt locked up.   
      
     The Stereo Player though is coded with ML so is there anyway to issue any   
   poke statements in basic to possibly optimize the Super CPU with the Stereo   
   Player?   
   I wonder if that is the cause?   
      
     I would appreciate any suggesions or possible cures.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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