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- Information for Cyrix Chipset Users
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- The XFree86 Project Inc.
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- 6 November 1998
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- 1. Supported hardware
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- This driver (as used in the SVGA (VGA256), VGA16 and VGA_Mono servers) supports
- a single chipset `mediagx' that should work on the following Cyrix CPUs with
- integrated graphics:
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- o MediaGX
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- o MediaGXi
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- o MediaGXm
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- 2. Features
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- o accelerated
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- o hardware cursor
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- o support color depths 1, 4, 8 and 16
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- 3. XF86Config Option
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- Option "sw_cursor"
- disable the hardware cursor.
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- Option "no_accel"
- completely disables acceleration. Usually not recommended.
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- 4. Bugs and Limitations
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- o On some older chipsets, the driver may trigger an illegal instruction just
- after probing for the ``scratchpad size''. If this is the case, email to
- Annius.Groenink@cwi.nl with the output of
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- XF86_SVGA -probeonly -verbose
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- and this will be fixed.
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- o There are limitations to the modeline values that can be specified. Par-
- ticularly, the difference between the first two horizontal timings (e.g.
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- Information for Cyrix Chipset Users 1
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- Information for Cyrix Chipset Users 2
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- 640 656, 1024 1048) must be at least 16 and at most 24.
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- o The 4 colour server is slow due to the VGA banking mode used. Moreover,
- it does not work the way it is run by XF86Setup, which is probably due to
- the timing limitations.
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- 5. Authors
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- o Annius Groenink <Annius.Groenink@cwi.nl>
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- o Dirk Hohndel <hohndel@XFree86.org>
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- o Special thanks to Cyrix and Wyse for helping us with the development of
- this server.
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- Generated from XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/cyrix.sgml,v 1.1.2.3 1998/11/07 13:37:52 dawes Exp $
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- Information for Cyrix Chipset Users 3
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- CONTENTS
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- 1. Supported hardware ...................................................... 1
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- 2. Features ................................................................ 1
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- 3. XF86Config Option ....................................................... 1
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- 4. Bugs and Limitations ..................................................... 1
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- 5. Authors .................................................................. 2
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