Around 16 o'clock on Jul 5, Rolland Dudemaine wrote:

> My eyes are crying for a 75 or 85 Hz screen with Kdrive server...
> I have successfully launched Xfbdev and Xvesa servers, but the frequency 
> always remains 72Hz. Changing the arguments on the command line does not 
> change anything.

Neither Xfbdev nor Xvesa have any way to change the refresh rate.  Xfbdev 
relies on the kernel to have already set the appropriate video mode while 
Xvesa uses the bios in the video card to set the mode.  The video card 
bios mode selection only lists the pixel size and format of the resulting 
image, not the refresh rate.

If you have programming information for your video card, it's quite 
possible to hack up a custom server that can change the pixel clock after 
the server has initialized the card.  I've done that in the Xtrident 
server which is based on Xvesa.

Keith Packard        XFree86 Core Team        HP Cambridge Research Lab


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