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The whole thing is divided by the bytes per pixel, plus an extra byte if you are using a DSTN. This option might be used if the default video overlay key causes problems. For chipsets that support hardware cursors, this option enforces their use, even for cases that are known to cause problems on some machines. The driver is capable of driving both a CRT and a flat panel display. Also check the BIOS settings. For the chips either using the WinGine or basic architectures, the chips generates a number of fixed clocks internally. Legal values for this key are depth dependent.

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Note that linear addressing at 1 and 4bpp is not guaranteed to work correctly. This option might also be needed to reduce the speed of the memory clock with the ” Overlay ” option. With this option all of the graphics are rendered into a copy of the framebuffer that is keep in the main memory of the computer, and the screen is updated from this copy.

These options can be used to force a particular clock index to be used. The xx chipsets can use MMIO for all communications with the ajd processor.

Chips and Technologies Video Drivers Download

Note that it is overridden by the ” SWcursor ” option. The chipset has independent display channels, that can be configured to support independent refresh rates on the flat panel and on the CRT.

This is correct for most modes, but can cause some problems. Which is the reason for the drop in the dot clock. Some machines that are known to need these options include. This chip is similar to thebut it also includes XRAM support and supports the higher dot clocks of the None of these are currently supported within the driver itself, so many cards dhips only have limited support.


An 8bpp one and a 16bpp one. Many potential programmable clock register setting are unstable.

WW Memory bandwidth requirements exceeded by dual-channel WW mode. Disabling hidden DRAM refresh may also help.

Chips and Technologies – Wikipedia

So for the various Chips and Technologies chips the maximum specifications are. The xx MMIO mode has been implemented entirely from the manual as I don’t have the hardware to test it on. The Xserver assumes that the framebuffer, if used, will be at the top of video ram.

It is possible to force the server to identify a particular chip with this option. This option sets the centering and stretching to the BIOS default values. This is a very similar chip to the For 24bpp on TFT screens, the server assumes that a 24bit bus is being used. These option individually disable the features of the XAA acceleration code that the Chips and Technologies driver uses.

This chip is basically identical to the If you are having driver-related problems that are not addressed by this document, or if you have found bugs in accelerated functions, you can try contacting the Xorg team the current driver maintainer can be reached at eich freedesktop.

Display might be corrupted!!! In this way PseudoColor and TrueColor visuals chios be used on the same screen. When the size of the mode used is less than the panel size, the default behaviour of the server is to stretch the mode in an attempt to fill the screen. The following options are of particular interest to the Chips and Technologies driver.


Chips and Tech. PCI driver Download for 2K,XP,2K3,VISTA,WIN7/32bits – Motorola VP22

If it is a standard mode and frequency that your screen should be able to handle, try to find different timings for a similar mode and frequency combination. This sets the physical memory base address of the linear framebuffer. It is possible to turn the linear addressing off ppci this option. This option might also be used chipz reduce the speed of the memory clock to preserve power in modes that don’t need the full speed of the memory to work correctly.

In general the LCD panel clock should be set independently of the modelines supplied. As use of the HiQV chipsets multimedia engine was supposed to be for things like zoomed video overlays, its use was supposed to be occasional and so most machines have their memory clock set to a value that is too high for use chisp the ” Overlay ” option.

It should be noted that the dual channel display options of chlps require the use of additional memory bandwidth, as each display channel independently accesses the video memory.

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