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NEOMAGIC(4x)									     NEOMAGIC(4x)

       neomagic - Neomagic video driver

       Section "Device"
	 Identifier "devname"
	 Driver "neomagic"

       neomagic is an XFree86 driver for the Neomagic graphics chipsets found in many laptop com-

       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 accel-
       erated on NM2200 and newer models.  All visuals are supported in depth 8.   TrueColor  and
       DirectColor visuals are supported in the other depths.

       Please  refer to XF86Config(5x) for general configuration details.  This section only cov-
       ers 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 hard-
	      ware 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  avilable for other operations.  For full-resolution DVDs, 829440 bytes(720x576x2) are necessary.

       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"

       XFree86(1), XF86Config(5x), xf86config(1), Xserver(1), X(7x)

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

XFree86 			      Version Version 4.3.0			     NEOMAGIC(4x)
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