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Information for Chips and Technologies Users
6555 The following options are of particular interest to the Chips and Technologies driver. Which diagnostic result should I believe, I wonder? Most of the Chips and Technologies chipsets are supported by this driver to some degree.
So the value actually used for the memory clock might be significantly less than this maximum value.
With the release of XFree86 version 4. I'd try and drivers if you can find them. The HiQV series of chips doesn't need to use additional clock cycles to display higher depths, and so the same modeline can be used at all depths, without needing to divide the clocks.
The forms given below are the preferred forms. When the size of the mode used is less than the panel size, the default behaviour of the server is to align the left hand edge of the display with the left hand edge of the screen. This option forces the LCD panel size to be overridden by the modeline display sizes. There is no facility in the current Xservers to specify these values, and so the server attempts to read the panel size from the chip.
However luckily there are many different clock register setting that can give the same or very similar clocks. Hi-Color and True-Color modes are implemented in the server. Disabling hidden DRAM refresh may also help. So the driver will attempt to round-up the virtual X dimension to a multiple of 64, but leave the virtual resolution untouched.
So with the " Overlay " option, using the " SetMClk " option to reduce the speed of the memory clock is recommended. The clocks in the x series of chips are internally divided by 2 for 16bpp and 3 for 24bpp, allowing one modeline to be used at all depths.
Please read the section below about dual-head display.
For the chips either using the WinGine or basic architectures, the chips generates a number of fixed clocks internally. This is the cuips chip of the ctxx series to support fully programmable clocks. A basic architecture, the WinGine architecture which is a modification on this basic architecture and a completely new HiQV architecture. You can use the " SetMClk " option in your xorg. The chipset has independent display channels, that can be configured to support independent refresh rates on the flat panel and on the CRT.
VOGONS • View topic - Of integrated graphics and P1-era systems: Unfindable CHIPS drivers
However use caution with these options, because there is no guarantee that driving the video processor beyond it chlps won't cause damage. Use caution with this option, as driving the video processor beyond its specifications might cause damage. This driver must be considered work in progress, and those users wanting stability are encouraged to use the older XFree86 3.
A sample of an incomplete " xorg. Try a lower dot clock.
Leaving too little memory available for the cache will only have a detrimental effect on the graphics performance. It is possible to turn the linear addressing off with this option. There has been much confusion about exactly what the clock limitations of the Chips and Technologies chipsets are. Like the overlays, the Xvideo extension uses a part of the video memory for a second framebuffer. Except for the HiQV chipsets, it is impossible for the server to read the value of the currently used frequency for the text console when using programmable clocks.
If this is not true then the screen will appear chjps have a reddish tint. For this reason, the maximum colour depth and resolution that can be supported in a dual chjps mode will be reduced compared to a single display channel mode.
Although the authors of this software have tried to prevent this, they disclaim all responsibility for any damage caused by the software. Hence the server assumes a
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