This chip is specially manufactured for Toshiba, and so documentation is not widely available. The whole thing is divided by the bytes per pixel, plus an extra byte if you are using a DSTN. For CRT’s you can also try to tweak the mode timings; try increasing the second horizontal value somewhat. It might affect some other SVR4 operating systems as well. The memory bandwidth is determined by the clock used for the video memory. In general the LCD panel clock should be set independently of the modelines supplied. Use caution as excess heat generated by the video processor if its specifications are exceeded might cause damage.

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This chip is basically identical to the Also for non PCI machines specifying this force the linear base address to be this value, reprogramming the video processor to suit. Similar to the but also incorporates “PanelLink” drivers. The information contained on this site is for informational ppci only.

Download Video Chips and Technologies PCI BUS drivers and software.

This is a small and long-standing bug in the current server. This has been reported on some configurations. The server itself can correctly pc the chip in the same situation. This is a pic similar chip to the This option, selects an 18 bit TFT bus. This also gives more memory bandwidth for use in the drawing operations. There is the limit of the maximum dotclock the video processor can handle, and there is another limitation of the available memory bandwidth. 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.


In addition to this many graphics operations are speeded up using a ” pixmap cache “. But assuming your memory clock is programmed to these maximum values the various maximum dot clocks for the chips are.

The Xorg X server, allows the user to do damage to their hardware with software with old monitors which may not tolerate bad display settings.

Hence I hope that this section will clear up the misunderstandings. Alternatively the manufacturer could have incorrectly programmed the panel size in the EGA console mode. However, some machines appear to have this feature incorrectly setup. The ct chipset introduced a new dual channel architecture. 65555 ” FixPanelSize ” can be used to force the modeline values into the panel size registers.

This is useful to see that pixmaps, tiles, etc have been properly cached.

Chips and Technologies Chips and Tech. 65555 PCI (TOSHIBA) Free Driver Download

These options can be used to force a particular clock index to be used. It is possible that the chip could be misidentified, particular due to interactions with other drivers in the server. This sets the default pixel value for the YUV video overlay key.

The whole thing is divided by the bytes per pixel, plus an extra byte if you are using a DSTN. Note that this option only has an effect on TFT screens. This chip is specially manufactured for Toshiba, and so documentation is not widely available. Modeline “x 8bpp” However luckily there are many different clock register setting that can give the same or very similar clocks. You can use the ” Pcj ” option 665555 your xorg.


Chips and Technologies 65555 PCI BUS driver download for Video card/adapter page 2

However there are many older machines, particularly those with x screen or larger, that need to reprogram the panel timings. The HiQV chipsets contain a multimedia engine that allow a 16bpp window to be overlayed on the screen.

The ct supports dual-head display. None of these are currently supported within the driver itself, so many cards will only have limited support.

Note that many chips are capable of higher memory clocks than actually set by BIOS. If you see such display corruption, and you have this warning, your choices are to reduce the refresh rate, colour depth or resolution, or increase the speed of the memory clock with the pi ” SetMClk ” option described 655555.

It should be noted that if a flat panel is used, this it must be allocated to ” Screen 0 “.