In addition the device, screen and layout sections of the ” xorg. This support can be used to give a single display image on two screen with different refresh rates, or entirely different images on the two displays. Hi-Color and True-Color modes are implemented in the server. For this reason, the maximum colour depth and resolution that can be supported in a dual channel mode will be reduced compared to a single display channel mode. The overlay consumes memory bandwidth, so that the maximum dotclock will be similar to a 24bpp mode. If this is not true then the screen will appear to have a reddish tint.

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In this way the expensive operation of reading back to contents of the screen is never performed and the performance is improved. Display might be corrupted!!! This option sets the centering and stretching to the Anv default values. So the driver will attempt to round-up the virtual X dimension to a multiple of 64, but leave the virtual resolution untouched.

This is a problem with the video BIOS not knowing about all the funny modes that might be selected. It might affect some other SVR4 operating systems as well.

This option, selects an 18 bit Xnd bus. This effectively means that there are two limits on the dotclock. For chipsets that support hardware cursors, this option enforces their use, even for cases that are known to cause problems on some machines. This option forces the LCD panel size to be overridden by the modeline display sizes. If it is a non-standard mode, maybe you need to tweak the timings a bit.


For the HiQV series of chips, the memory clock can be successfully probed. For other depths this option has no effect. A general problem with the server that can manifested in many way such as drawing errors, wavy screens, etc is cnips to the programmable clock. This is usually due to a problem with the ” LcdCenter ” option.

The x and WinGine chipsets are capable ane colour depths of 16 or 24bpp.

The flat panel timings are related to the panel size and not the size of the mode specified in xorg. This option forces the two display channels to be used, giving independent refresh rates.

Download driver Chips and Tech. 68554 PCI(Rev0)

However, as the driver does not prevent you from using a mode that will exceed the memory bandwidth of thebut a warning like. This might pfi troubles with some applications, and so this option allows the colour transparency key to be set to some other value. This sets the default pixel value for the YUV video overlay key.

In addition to this many graphics operations are speeded up using a ” pixmap cache “.

As mentioned before, try disabling this option. Thus, it might become a perfect solution for a powerful gaming PC. You are probably using a dot clock that is too high or too low ; it is also possible that there is interference with a close MCLK.


Information for Chips and Technologies Users

pxi Unknown manufacturer Unknown platform. However the panel size will still be probed. Their overall capacity might achieve 32 GB. A sample of an incomplete ” xorg. Hence the maximum dot-clock might need to be limited.

Chips and Technologies – Wikipedia

Possibly useful if you wish to use an old workstation monitor. The exception is for depths of 1 or 4bpp where linear addressing is turned off by default. So for the various Chips and Technologies chips the maximum specifications are.

The server will limit the maximum dotclock to a value as specified by the manufacturer. This may be related to a bug in one of the accelerated functions, or a problem with the BitBLT engine. If this is not true then the screen 685554 appear to have a reddish tint. However there are many older machines, particularly those with x screen or larger, that need to reprogram the panel timings.