Hertz and Flip

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Sorry if this has been asked before...

To me it seems great that I can make a full-screen action game and fix it to 60Hz and thus not bother with delta timing due to different PCs having different refresh rates. This also means I can have totally smooth scrolling and movement. Is setting at 60Hz not recommended though? How reliable is it on a wide range of PCs? Any known issues?


On my previous PC I had all my refreshrates fixed at 100Hz -- since my old trinitron worked great at 100 and 120Hz, but made a really high-pitched whining noise at any refreshrate lower than that. The rest of the family couldn't hear it, but I could tell hear it squeal from the other side of the house myself. Extremely annoying.
Anyway, to address that issue, I installed a monitor driver that told my system that the only refreshrate supported in any video mode was 100Hz -- other video modes simply weren't available.

Maybe a bit unique of a setup, but it does go to show that you can't count on 60Hz being universally available.

Now, before artificially locking it to 100Hz, 60Hz technically worked, but due to those squealing noises it made it unbearable to actually play anything in that mode.