At this point no testing has been done and it is entirely possible that the ” MMIO option will lockup your machine. This effectively means that there are two limits on the dotclock. The forms given below are the preferred forms. Try a lower dot clock. 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. 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. Note that many chips are capable of higher memory clocks than actually set by BIOS.
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The effect of this is that the maximum dot clock visible to the user is a half or a third of the value at 8bpp. The forms given below are the preferred forms. For the HiQV series of chips, the memory clock can be successfully probed. If you exceed the maximum set by the memory clock, you’ll get corruption on the screen during graphics operations, as you will be starving the HW BitBlt engine of clock cycles.
If you find you truly can’t achieve the mode you are after with the default clock limitations, look at the options ” DacSpeed ” and ” SetMClk “. For a complete discussion on the dot clock etchnologies, see the next section. The Chips and Technologies chipsets supported by this driver have one of three basic architectures. Alternatively the user can use the ” TextClockFreq ” option described above to select a different clock for the text console.
In fact the timing for the flat panel tedhnologies dependent on the specification of the panel itself and are independent of the particular mode chosen. The problem here is that the flat panel needs timings that are related to the panel size, and not the mode size.
It is completely ignored for HiQV chipsets. So 655555 the ” Overlay ” option, using the ” SetMClk ” option to reduce the speed of the memory clock is recommended. It is believed that technolgoies is really just a with a higher maximum dot-clock of 80MHz. Try a lower dot clock.
It is possible to turn the linear addressing off with this option. However this version of the Chips and Technologies driver has many new features and bug fixes that might make users prefer to use this version.
It overrides the options “LcdCenter” and “NoStretch”.
When the size of the mode used is less than the panel tevhnologies, the default behaviour of the server is to align the left hand edge of andd display with the left hand edge of the screen.
This is useful for the chipset where the base address of the linear framebuffer must be supplied by the user, or at depths 1 and 4bpp. For instance, the line. We also thank the many people on the net who have contributed by reporting bugs and extensively testing this server.
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The server doesn’t prevent the user from specifying a mode that will use this memory, it prints a warning on the console. However if you do try this option and are willing to debug it, I’d like to hear from you. However to use the dual-head support is slightly more complex. Similar to the but has yet higher maximum memory and pixel clocks. The xx chipsets can use MMIO for all communications with the video processor.
It is possible to force the server to identify a particular chip with this option.
As use of the HiQV chipsets multimedia engine was supposed to be for things like zoomed video technoloies, 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 with the ” Overlay ” option. Legal values are 2 to inclusive.
A basic architecture, the WinGine architecture which is a modification on this basic architecture and a ttechnologies new HiQV architecture. Note that increasing the memory clock also has its own problems as described above. The overlay consumes memory bandwidth, so that the maximum dotclock will be similar to a 24bpp mode.
Asiliant Chips and Technologies () 65555 drivers for Windows XP x86
Qnd doesn’t occur under UnixWare 2. Hence the maximum andd might need to be limited. This allows the user to select a different clock for the server to use when returning to the text console.
In fact if the video BIOS on the machine sets the ct to a dual channel mode by default, X will lockup hard at this point. Use caution with this option, as driving the video processor beyond its specifications might cause damage.