The driver is capable of driving both a CRT and a flat panel display. Note that this option using the multimedia engine to its limit, and some manufacturers have set a default memory clock that will cause pixel errors with this option. XFree86 believes that the 8bpp framebuffer is overlayed on the 16bpp framebuffer. Try reducing the clock. This document attempts to discuss the features of this driver, the options useful in configuring it and the known problems. Now the maximum memory clock is just the maximum supported by the video processor, not the maximum supported by the video memory.

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We recommend that you try and pick a mode that is similar to a standard VESA mode. The authors of this software wish to acknowledge the support supplied by Chips and Technologies during the development of this software.

Chips and Technologies drivers – Chips and Technologies Video Drivers

So for amd various Chips and Technologies chips the maximum specifications are. XFree86 releases later than 4. The order of precedence is Display, Screen, Monitor, Device. So this limit will be either 56MHz or 68MHz for the xx chipsets, depending on what voltage they are driven with, or 80MHz for the WinGine machines.

This option forces the server to assume that there are 8 significant bits. Typical values for the size of the framebuffer will be bytes x panelbytes x panel and bytes x panel.

All of an will be developed in 2. Two Thunderbolt 3 interfaces and the latest Intel Optane memory are expected to be supported.


This support can be used to give a single display image on two screen with different refresh tecnhologies, or entirely different images on the two displays.

The clock code can be fooled into giving a different and perhaps more stable clock by simply changing the clock value slightly. Disabling hidden DRAM refresh may also help. Using this option, when the virtual desktop is scrolled away from the zero position, the pixmap cache becomes visible.

In this case the driver divides the video processors dotclock limitation by the number of bytes per pixel, so that the limitations for the various colour depths are. The four options are for 8bpp or less, 16, 24 or 32bpp LCD panel clocks, where the options above set the clocks to 65MHz. People with modest desires tend to gather systems technokogies average specifications, while gamers and enthusiasts try to wring every possible bit, MB, GB, etc. There are therefore a wide variety of possible forms for all options.

Chips and Technologies 65555 Free Driver Download

There has been much confusion about exactly what the clock limitations of the Chips and Technologies chipsets are. It often uses external DAC’s and programmable clock chips to supply additional functionally. As mentioned before, try disabling this option. Technoloies ” letterbox ” effect with no stretching can be achieved using this option.

The xx chipsets can use MMIO for all communications with the video processor. It also has technollogies limits on the maximum memory and pixel clocks Max Ram: The driver is capable of driving both a CRT and a flat panel display.


The current programmable clock will be given as the last clock in the list. The overlay consumes memory bandwidth, so that the maximum dotclock will be similar to a 24bpp mode.

It is also possible that with a high dot clock and depth on a large screen there is very little bandwidth left for using the BitBLT engine.

It is believed that this is really just a with a higher maximum dot-clock of 80MHz. Search for drivers by ID or device name Known devices: The flat panel timings are related to the panel size and not the size of the mode specified in xorg. WW Memory bandwidth requirements exceeded by dual-channel WW mode.

Asiliant Technologies

Like cyips overlays, the Xvideo extension uses a part of the video memory for a second framebuffer. The default behaviour is to have both the flat panel and the CRT use the same display channel and thus the same refresh rate. By default it is assumed that there are 6 significant bits in the RGB representation of the colours in 4bpp and above.