On Thu, 15 Feb 2018, luigi30 at gmail.com wrote:
> Do those Dell monitors work on 15KHz input? Ibve needed something that
> can do that in order to get color output from my Atari ST.
My recollection is that it does;  I think I've plugged an Apple IIgs into
it before.
This list might be helpful:
     http://15khz.wikidot.com/
-- 
Jonathan Patschke
Austin, TX
USA