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- Information for Matrox Users
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- The XFree86 Project Inc.
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- 30 December 1998
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- 1. Supported hardware
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- The current MGA driver in the SVGA server supports
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- o Matrox Millennium (MGA2064W with Texas Instruments TVP3026 RAMDAC). It has
- been tested with 175, 220MHz, and 250MHz cards with 2MB, 4MB and 8MB WRAM.
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- o Millennium II both PCI and AGP (MGA2164W with Texas Instruments TVP3026
- RAMDAC). It has been tested with 4 MB, 8 MB and 16 MB WRAM.
-
- o Matrox Mystique (Both MGA1064SG and MGA1164SG with integrated RAMDACs) 170
- MHz and 220 MHz (Mystique 220) versions should work.
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- o Millennium G200 with SGRAM and SDRAM (Millennium G200-SD), with 8MB RAM.
-
- o Mystique G200 (but no TVout support)
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- o Productiva G100 with SGRAM and SDRAM. 4MB and 8MB versions have been
- tested.
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- 1.1 What's not supported
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- o Chipsets other than those listed above. We are still interested in pro-
- viding support for the other Matrox chipsets including the Impression,
- Atlas, Genesis etc... but at this time have not been able to obtain docu-
- mentation for them.
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- o MGA2064W and MGA2164W based cards with ramdacs other than the TVP3026
- RAMDAC (like the Matrox Corona) are not supported.
-
-
- 2. Features:
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- o uses linear frame buffer
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- o Resolutions up to the maximum supported by the card should be possible.
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- o 8 bpp, 16 bpp (depth 15 and 16), 24 bpp (depth 24, packed) and 32 bpp
- (depth 24, sparse) are all supported.
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- o supports VESA Display Power Management Signaling (DPMS)
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- o supports RGB Sync-on-Green
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-
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- Information for Matrox Users 1
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- Information for Matrox Users 2
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-
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- o supports the XF86_DGA extension
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- o Makes extensive use of the graphics accelerator. This server is very well
- accelerated, and is one of the fastest XFree86 X servers.
-
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- 3. Configuration:
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- The MGA driver should auto-detect all supported hardware so you needn't have
- anything other than the Identifier in the Section "Device" of the XF86Config
- file. When running the XF86Setup or xf86config programs one merely needs to
- select a Matrox card so that the correct server will be used. One need not and
- should not specify a RAMDAC, clockchip or allow the setup program to probe for
- clocks. The driver will auto-detect the amount of video ram present, however,
- due to some hardware problems this is not detected for the MGA2164W (Millennium
- II) or G100/G200. In this case users should specify the amount of video ram in
- the Section "Device" of the XF86Config file. eg:
-
- VideoRam 4096
- or
- VideoRam 8192
- or
- VideoRam 16384
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- as appropriate so that the server doesn't have to probe for it.
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- The following Section "Device" options are supported by the MGA driver:
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- o Option "sw_cursor"
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- Will disable the hardware cursor on the Millennium and Millennium II.
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- o Option "no_accel"
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- Will disable all hardware acceleration (oh my!).
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- o Option "no_pixmap_cache"
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- Will disable caching of pixmaps in offscreen video memory.
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- o Option "sync_on_green"
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- Will enable syncing on green for sync-on-green monitors (these are typi-
- cally fixed frequency workstation monitors).
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- o Option "pci_retry"
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- This will allow the MGA hardware to generate a pci_disconnect based on
- accelerator FIFO status. This can yield large performance boosts for some
- graphics operations but has a tendency to hog the PCI bus so it is turned
- off by default.
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- o Option "mga_sdram"
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-
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- Information for Matrox Users 3
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- This will force the server to disable sgram features such as block mode
- fills and hardware planemasks.
-
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- 4. Known solutions for some problems:
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- o Temporary loss of monitor sync when the cursor shape changes on Millennium
- and Millennium II. The hardware cursor has been enabled by default in
- 3.3.3.1. This seems to cause some problems on a minority of systems. If
- you experience problems with this on your system, please put:
-
- Option "sw_cursor"
-
-
- in the Section "Device" of the XF86Config file to disable the hardware
- cursor.
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- o Garbage in the cursor instead of the normal cursor image. A bug in the
- driver will cause this when less than 1K of video memory is left unused
- and the hardware cursor is enabled for some cards. If you experience this
- problem, please put:
-
- Option "sw_cursor"
-
-
- in the Section "Device" of the XF86Config file to disable the hardware
- cursor. This should be fixed in XFree86 3.3.3.1 as in cases like this the
- software cursor should be used automatically.
-
- o the driver doesn't support some values of HTotal parameter in Modelines in
- the XF86Config file. If you get flickering vertical stripes on the screen,
- try to change this parameter +/- 8.
-
- o On some Millennium II cards the driver shows severe distortions with 24bpp
- in modes above about 1024x768. We hope to have automated the detection and
- fix of this problem. If it still occurs, putting
-
- Option "mga_24bpp_fix"
-
-
- in the Device Section may fix the problem.
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- o On some MGA cards the amount of memory is mis-detected, on others probing
- for the amount of memory can cause a lockup in the system so memory prob-
- ing is not done on those hardware (Millennium II, G100/G200). If the
- default of 4MB RAM (Millennium II) or 8MB RAM (G100/G200) is not correct,
- specify the amount of video ram in the Section "Device" of the XF86Config
- file as described in section 3 above.
-
- o If you Millennium II card that worked fine with XFree86-3.3.2.3 and ear-
- lier now shows pixel errors and strange effects when returning to the text
- console, make sure that the amount of memory that the server reports is
- correct. See item above for details.
-
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-
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- Information for Matrox Users 4
-
-
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- o With virtual screens that use 8MB of memory or more (e.g., 2048x2048 at
- 16bpp) there can be cursor distortions when panning the screen vertically.
- If that occurs, please put
-
- Option "sw_cursor"
-
-
- in the Section "Device" of the XF86Config file to disable the hardware
- cursor.
-
-
- 5. Authors
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- Radoslaw Kapitan, kapitan@student.uci.agh.edu.pl
-
- Mark Vojkovich, mvojkovi@sdcc10.ucsd.edu
-
- and:
-
- o Andrew Vanderstock, vanderaj@mail2.svhm.org.au
-
- o Angsar Hockmann, Ansgar.Hockmann@hrz.uni-dortmund.de
-
- o Michael Will, Michael.Will@student.uni-tuebingen.de
-
- o Andrew Mileski, aem@ott.hookup.net
-
- o Stephen Pitts, pitts2@memphisonline.com
-
- o Dirk Hohndel, hohndel@XFree86.Org
-
- o Leonard N. Zubkoff, lnz@dandelion.com
-
- o Harm Hanemaayer, H.Hanemaayer@inter.nl.net
-
- o Guy Desbief, g.desbief@aix.pacwan.net
-
- o Takaaki Nomura, tnomura@sfc.keio.ac.jp
-
- o Doug Merritt, doug@netcom.com
-
- Generated from XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/MGA.sgml,v 3.4.2.15 1998/12/30 09:14:45 hohndel Exp $
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- Information for Matrox Users 5
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- CONTENTS
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-
-
- 1. Supported hardware ....................................................... 1
- 1.1 What's not supported ................................................. 1
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- 2. Features: ................................................................ 1
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- 3. Configuration: ........................................................... 2
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- 4. Known solutions for some problems: ....................................... 3
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- 5. Authors .................................................................. 4
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