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Re: Frequency values for Apple Cinema 23"


I have an Apple Cinema 23" display (brushed metal). Does anyone know the values for the horizontal and vertical frecuency to enter into the xserver-xfree86 configuration for this monitor?
When X starts the screen goes black, as if it was turned off.
I don't know, but let me know if you get this one to work. Nobody did so
far, it could indeed be the DDC stuff giving incorrect freq. values ...

Have you tried the configuration data that was valid for the
old 23" cinema display? (that would be the plastic model, I guess :) ).
Look it up at


specifically, for 1920x1200 at 60Hz (the display reacts flexible
on different H and V frequencies):

# 1920x1200 @ 60Hz
Modeline "1920x1200" 193.156 1920 2048 2256 2592 1200 1201 1203 1242 +hsync +vsync

Philipp Kaeser

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