i810 / 845G fails to set refresh rate above 60hz

[Andrew McKinlay <mckinlay@xxxxxxxxxxxx>]

I'm running Fedora Core (XFree86 4.3.0) on a Dell Dimension 2400 with a 19" Daytek DT-95P monitor. It's i810 / 845G graphics. I can change resolutions, but I can't seem to get the refresh rate above 60hz.

I tried booting a Knoppix cd to see what it would do. It had the same problem with the following errors:

Starting X11... [drm:drm_init] *ERROR* Cannot initialize the agpgart module.

/lib/modules/2.4.22-xfs/kernel/drivers/char/drm/i810.o: init_module: Cannot allocate memory
/lib/modules/2.4.22-xfs/kernel/drivers/char/drm/i810.o: insmod /lib/modules/2.4.22-xfs/kernel/drivers/char/drm/i810.o failed
/lib/modules/2.4.22-xfs/kernel/drivers/char/drm/i810.o: insmod i810 failed

I have the video memory set to the max (8mb) in the Bios.

Does this give anyone any clues? Can anyone tell me if it is possible to get the refresh rate to work? Or should I just go look for another video card?

andrew


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