MirOS Manual: nv(4)


NV(4)               UNIX Programmer's Manual                NV(4)

NAME

     nv - NVIDIA video driver

SYNOPSIS

     Section "Device"
       Identifier "devname"
       Driver "nv"
       ...
     EndSection

DESCRIPTION

     nv is an XFree86 driver for NVIDIA video cards.  The driver
     supports 2D acceleration and provides support for the fol-
     lowing framebuffer depths: 8, 15, 16 (except Riva128) and
     24.  All visual types are supported for depth 8, TrueColor
     and DirectColor visuals are supported for the other depths
     with the exception of the Riva128 which only supports
     TrueColor in the higher depths.

SUPPORTED HARDWARE

     The nv driver supports PCI and AGP video cards based on the
     following NVIDIA chips:

     RIVA 128              NV3

     RIVA TNT              NV4

     RIVA TNT2             NV5

     GeForce 256, QUADRO   NV10

     GeForce2, QUADRO2     NV11 & NV15

     GeForce3, QUADRO DCC  NV20

     nForce, nForce2       NV1A, NV1F

     GeForce4, QUADRO4     NV17, NV18, NV25, NV28

     GeForce FX, QUADRO FX NV30, NV31, NV34, NV35, NV36, NV37,
                           NV38, NV40, NV41, NV43, NV44, NV45

CONFIGURATION DETAILS

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

     The driver auto-detects the chipset type and the amount of
     video memory present for all chips.

XFree86                   Version 4.5.0                         1

NV(4)               UNIX Programmer's Manual                NV(4)

     The following driver Options are supported:

     Option "HWCursor" "boolean"
          Enable or disable the HW cursor.  Default: on.

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

     Option "UseFBDev" "boolean"
          Enable or disable use of on OS-specific fb interface
          (and is not supported on all OSs).  See fbdevhw(4) for
          further information. Default: off.

     Option "CrtcNumber" "integer"
          GeForce2 MX, nForce2, Quadro4, GeForce4, Quadro FX and
          GeForce FX may have two video outputs. The driver
          attempts to autodetect which one the monitor is con-
          nected to.  In the case that autodetection picks the
          wrong one, this option may be used to force usage of a
          particular output. The options are "0" or "1". Default:
          autodetected.

     Option "FlatPanel" "boolean"
          The driver usually can autodetect the presence of a
          digital flat panel.  In the case that this fails, this
          option can be used to force the driver to treat the
          attached device as a digital flat panel.  With this
          driver, a digital flat panel will only work if it was
          POSTed by the BIOS, that is, the machine must have
          booted to the panel.  If you have a dual head card you
          may also need to set the option CrtcNumber described
          above. Default: off.

     Option "FPDither" "boolean"
          Many digital flat panels (particularly ones on laptops)
          have only 6 bits per component color resolution. This
          option tells the driver to dither from 8 bits per com-
          ponent to 6 before the flat panel truncates it. This is
          only supported in depth 24 on GeForce2 MX, nForce2,
          GeForce4, Quadro4, Geforce FX and Quadro FX. Default:
          off.

     Option "FPScale" "boolean"
          Supported only on GeForce4, Quadro4, Geforce FX and
          Quadro FX.  This option tells to the driver to scale
          lower resolutions up to the flat panel's native resolu-
          tion.  Default: on.

     Option "Rotate" "CW"

     Option "Rotate" "CCW"

XFree86                   Version 4.5.0                         2

NV(4)               UNIX Programmer's Manual                NV(4)

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

          Note: The Resize and Rotate extension will be disabled
          if the Rotate option is used.

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

SEE ALSO

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

AUTHORS

     Authors include: David McKay, Jarno Paananen, Chas Inman,
     Dave Schmenk, Mark Vojkovich

XFree86                   Version 4.5.0                         3

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