Setting AGP Rate

[kahuna0k]

Hello,

I'm unable to set the AGP rate to 2x using 4191 drivers, if I set NVreg_ReqAGPRate=2 it still uses 4x, it doesn't matter if I use modify /etc/modules.conf and use modprobe or if I directly use the option when loading with insmod.

Any idea?

- german

PS: I've checked both using agpgart and nvidia internal agp driver.

[bwkaz]

NVreg_ReqAGPRate is disabled by default -- even if you pass it as an option, it won't be recognized.

What you're going to need to do is install from source (I believe .tar.gz would be easiest), and edit the os-registry.c file. Down at the bottom there's a list of all the parameters it supports, with two underscores in front of NVreg_ReqAGPRate. Remove the underscores, then compile and install the driver, and your parameter will work. You'll need kernel-source installed in order to compile them... I don't know if you've ever done that before or not.

You can keep GLX the way it is now -- and actually, you probably don't have to even remove the NVIDIA_kernel RPM (if you installed from them to begin with). The .tar.gz installation will just overwrite the old kernel module, which in this case is actually the right thing to do.