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neomagic - Neomagic video driver
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:
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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