From: atari030@nomorespampleaseoptusnet.com.au   
      
   On 9/10/2010 8:15 PM, Vincent Rivière wrote:   
   > Hello.   
   >   
   > I would like to know how the Falcon TOS 4.04 choses between 50 and 60 Hz   
   > resolutions on RGB monitors. For example, if I switch to the ST-Low   
   > resolution from the desktop, will it switch to 50 or 60 Hz mode ?   
   >   
   > On ST TOS, the PAL/NTSC flag was hardcoded into the OS header in each   
   > national TOS. But if I'm not wrong, there is only one international   
   > version of Falcon TOS 4.04.   
      
   Correct.   
      
   > So on Falcon, does the PAL/NTSC settings come from the country code   
   > stored in the NVRAM ?   
      
   Yup.   
      
   > What happens if the NVRAM is not initialized, it could lead to wrong   
   > frequency and unusable display, then the user will be unable to switch   
   > to the right mode...   
      
   I'd doubt it as the   
   >   
   > And final question, do the PAL/NTSC settings have some importance on VGA   
   > monitors ?   
   >   
   > Thanks in advance.   
   >   
      
   The videl chip in the Falcon is completely programmable, its possible to   
   have all sorts of odd permutations. The defaults are set by the NVRAM   
   settings. If its set to UK or EU then it will default to 50hz or 60hz   
   for US.   
      
   Mark   
      
   --- SoupGate-Win32 v1.05   
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