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NEOMAGIC(4)							   NEOMAGIC(4)

NAME
       neomagic - Neomagic video driver

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

DESCRIPTION
       neomagic	 is an Xorg driver for the Neomagic graphics chipsets found in
       many laptop computers.

SUPPORTED HARDWARE
       neomagic supports the following chipsets:

       MagicGraph 128	 (NM2070)

       MagicGraph 128V	 (NM2090)

       MagicGraph 128ZV	 (NM2093)

       MagicGraph 128ZV+ (NM2097)

       MagicGraph 128XD	 (NM2160)

       MagicGraph 256AV	 (NM2200)

       MagicGraph 256AV+ (NM2230)

       MagicGraph 256ZX	 (NM2360)

       MagicGraph 256XL+ (NM2380)

       The driver supports depths 8, 15, 16 and 24 for all chipsets except the
       NM2070  which  does  not	 support depth 24.  All depths are accelerated
       except for depth 24 which is only accelerated on NM2200 and newer  mod‐
       els.   All visuals are supported in depth 8.  TrueColor and DirectColor
       visuals are supported in the other depths.

CONFIGURATION DETAILS
       Please refer to xorg.conf(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
	      disable and a hardware cursor is used.

       Option "PCIBurst" "boolean"
	      Disable or enable PCI burst modes.  Default: enabled.

       Option "Rotate" "CW"

       Option "Rotate" "CCW"
	      Rotate  the display clockwise or counterclockwise.  This mode is
	      unaccelerated.  Default: no rotation.

       Option "ShadowFB" "boolean"
	      Enable or disable use of the shadow framebuffer layer.  Default:
	      off.

       Option "OverlayMem" "integer"
	      Reserve  the  given  amount  of memory (in bytes) for the XVideo
	      overlay.	On boards with limited memory, display of large XVideo
	      buffers  might fail due to insufficient available memory.	 Using
	      this option solves the problem at the expense  of	 reducing  the
	      memory  available	 for  other  operations.   For full-resolution
	      DVDs, 829440 bytes (720x576x2) are necessary.

       Note
       On some laptops using the 2160 chipset (MagicGraph 128XD) the following
       options are needed to avoid a lock-up of the graphic engine:
	   Option "XaaNoScanlineImageWriteRect"
	   Option "XaaNoScanlineCPUToScreenColorExpandFill"

SEE ALSO
       Xorg(1), xorg.conf(5), Xserver(1), X(7)

AUTHORS
       Authors include: Jens Owen, Kevin E. Martin, and also Egbert Eich, Mark
       Vojkovich, Alan Hourihane.

X Version 11		   xf86-video-neomagic 1.2.8		   NEOMAGIC(4)
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