See this page Recommended configuration for X. This should be set automatically, but no one knows what the limit is for which chip. Option “ForceMinDotClock” ” frequency “. Use this if the calculation is not correct for your card. Enable dynamic power mode switching. This can help reduce heat and increase battery life by reducing power usage when the system is idle DPMS active.
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Download HP Compaq nx Notebook ATI M22/M24 VGA Driver A
This sets the overlay scaler buffer width. Enable this option to ignore lid status on laptops and always detect LVDS as attached.
Check the version of Ubuntu you have installed: DDC is still used for monitor detection. This can help reduce heat and increase battery life by reducing power usage when the system is idle DPMS active. Tiling will be disabled if the virtual x resolution exceeds for R and aboveor if DRI is enabled and the drm module is too old.
Used to prevent flickering or tearing problem caused by display buffer underflow. If you think quality is not optimal when playing back HD video with horizontal resolution larger than this settingincrease this value. This driver provides 2D and 3D acceleration in your video hardware. Enable this option if you are having problems with a washed out display on the secondary DAC. This attribute is useful for things like clone mode where the user can best decide which display should be synced.
Enabling this is frequently the cause of instability. Enable page flipping for 3D acceleration. The same as the screen depth. This can help reduce heat and increase battery life by reducing power usage at at expense of performance.
ATI Mobility Radeon X600
The driver supports the following X11 Xv attributes for Textured Video. It can be done with the following command: Option “SubPixelOrder” ” string “.
By default, all 8 bits per color component are used. The output name is the RandR output name, e.
AMD/ATI drivers for mobility / notebook graphics and Microsoft Windows
Note that using this option may damage your hardware. Set this to False if you are experiencing a hang when initializing a secondary card.
Also overrides DDC monitor detection. If this option is enabled, a new DRI driver is required for direct rendering.
Some Radeon BIOSes report a minimum dot clock unsuitable too high for use with television sets videoo when they actually can produce lower dot clocks. With XAA, specifying lower percentage than what gets reserved without this option has no effect, but the driver tries to increase the video RAM reserved for textures to the amount specified roughly.
ATI Mobility Radeon X Specs | TechPowerUp GPU Database
Only valid on PowerPC. Chipset Graphics cards and APUs Unsupported chips Ubuntu This option has no effect on Mac cards. See this page Recommended configuration for X. Set AGP data vieo rate. Option “DisplayPriority” ” string “.
If this is the case you can override the value here. Enable this option to skip the BIOS connector table parsing and use the driver defaults for each chip.