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CYRIX(4)               FreeBSD Kernel Interfaces Manual               CYRIX(4)

NAME
       cyrix - Cyrix video driver

SYNOPSIS
       Section "Device"
         Identifier "devname"
         Driver "cyrix"
         ...
       EndSection

DESCRIPTION
       cyrix is an XFree86 driver for the Cyrix MediaGX (now Natsemi Geode)
       series of processors when using the built in video.

SUPPORTED HARDWARE
       The cyrix driver supports the MediaGX, MediaGXi and MediaGXm
       processors, as well as the Natsemi 'Geode' branded processors. It
       supports the CS5510, CS5520, CS5530 and CS5530A companion chips. The
       driver supports 4, 8, 15 and 16 bit deep displays with video
       compression and acceleration.

       The MediaGX run length compresses its shared framebuffer, for the best
       performance on a MediaGX machine pick backgrounds that compress well
       horizonally.

CONFIGURATION DETAILS
       Please refer to XF86Config(5) for general configuration details.  This
       section only covers configuration details specific to this driver.

       The following driver options are supported:

       Option "NoAccel" "boolean"
              Disable or enable acceleration. Default: acceleration is
              enabled.

       Option "SWCursor" "boolean"
              Disable or enable software cursor. Default: software cursor is
              enabled.

       Option "HWCursor" "boolean"
              Disable or enable hardware cursor. Default: hardware cursor is
              disabled.

       Option "ShadowFB" "boolean"
              Disable or enable shadow frame buffer. The shadow buffer is
              normally only used when rotating the screen. The default is
              false.

       Option "Rotate" "CW"

       Option "Rotate" "CCW"
              Rotate the display clockwise or counterclockwise for use on
              Cyrix based tablet PC systems. This mode is currently
              unaccelerated.  Default: no rotation.

BUGS
       This driver has not been tested on the original 5510 hardware for some
       considerable time.

       8bit mode does not currently work on the CS5510 with external RAMDAC.

       The 5530A video overlay facility is not currently supported.

       XFree86 uses the MediaGX 'SoftVGA' interface. On a small number of
       boards this is buggy and may result in strange illegal instruction
       traps.

       Hardware cursors are not currently supported.

SEE ALSO
       XFree86(1), XF86Config(5), xf86config(1), Xserver(1), X(7)

AUTHORS
       Authors include: Richard Hecker, Annius Groenink, Dirk Hohndel, The GGI
       Project, Alan Cox.

XFree86                          Version 4.7.0                        CYRIX(4)

NAME | SYNOPSIS | DESCRIPTION | SUPPORTED HARDWARE | CONFIGURATION DETAILS | BUGS | SEE ALSO | AUTHORS

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<https://www.freebsd.org/cgi/man.cgi?query=cyrix&sektion=4&manpath=XFree86+4.7.0>

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