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Conference 7.286::atarist

Title:Atari ST, TT, & Falcon
Notice:Please read note 1.0 and its replies before posting!
Moderator:FUNYET::ANDERSON
Created:Mon Apr 04 1988
Last Modified:Tue May 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1433
Total number of notes:10312

1328.0. "CGA MONITOR?" by USCTR1::LICHTENSTEIN () Wed Oct 28 1992 23:14

    I have an old IBM CGA Color monitor. Is it possible to hook up to an
    ST? I would need the pins identified on the moitor. I have the Atari
    pins (from the user manual). I realize that I get NO speaker but I can 
    hook that up separately. This model does NOT have an RF moulator so my
    best choice is to see if the existing IBM monitor can work.
    
    
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1328.1Unfortunately not...VNABRW::REICHENBERGEFri Oct 30 1992 03:199
    As fas as I know, is it not possible to connect the ST to an CGA
    monitor. The reason is, that the ST ouputs analog RGB signals (0,5
    to 1,5 Vss), while the CGA monitor needs TTL levels (something like 0 or 5 
    Vss) for RGB and intensity (and because of that, there are only 16
    colors in CGA).
    
    However, a TV set with SCART connector *can* be hooked to the ST. If
    you are interested, I will look up what the connections look like,
    and post it here.                                                
1328.2SCART?USCTR1::LICHTENSTEINFri Oct 30 1992 15:134
    What is an SCART connector?
    
    
    Thanks
1328.3EURO or A/V conn.VNABRW::REICHENBERGEMon Nov 02 1992 03:3919
    It's also called EURO- or A/V connector. It is a 21-Pin connector and it 
    looks somewhat like this:
    
     --------------------------
     \   + + + + + + + + + +  !
      ! + + + + + + + + + + + !
      -------------------------	
    
    There are pins corresponding to the ST's CSYNC, R, G, B, Audio, Ground and
    12V output that can be connected directly.  The 12V is a sensing voltage
    (??? "Schaltspannung" in German, I hope this is an appropriate english
    term), to let the TV know it should read the signal from the EURO connector,
    not from the standard (HF) input.
    
    I don't know the connector layout by heart, but you can find it in
    almost any TV or VCR manual.
    
    Cheers,
    Andreas