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发表于 2004-12-18 19:08:35
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NVidia
Some information about your nvidia card and the mainboard is provided by the /proc file system.
To see information about Fast Writes, SBA and AGP mode type
cat /proc/driver/nvidia/agp/card
and
cat /proc/driver/nvidia/agp/host-bridge
"Not Supported" means, that you can not use these features. "Disabled" means, you may be able to use them, but further conditions need to be fullfilled, you can only enable a feature when both the Card and the HostBrige support it. Your HostBridge needs to support FastWrites and it has to be enabled in your system BIOS. But the driver may still decide not to use it for a more stable system.
Edit the file /etc/modules.conf. At the end of the section concerning the nvidia driver place the following line to enable FastWrites, SBA and AGP 8x support:
options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1 NVreg_ReqAGPRate=8
or for SBA and FW support only:
options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1
NOTE: Forcing AGP FW/SBA on can adversely affect overall system stability! Use at your own risk!
These lines can also be placed in other files depending on your distribution and kernel version. For example in /etc/modprobe.conf if you are using kernel series 2.6. Always make sure the line is placed behind the other nvidia driver entries.
For further documentation refer to the sources given below or to the documentation coming with the driver. It is usually installed to
/usr/share/doc/NVIDIA_GLX-1.0 by the installer. |
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