226 lines
7.6 KiB
Groff
226 lines
7.6 KiB
Groff
.\" shorthand for double quote that works everywhere.
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.ds q \N'34'
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.TH CHIPS __drivermansuffix__ __vendorversion__
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.SH NAME
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chips \- Chips and Technologies video driver
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.SH SYNOPSIS
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.nf
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.B "Section \*qDevice\*q"
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.BI " Identifier \*q" devname \*q
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.B " Driver \*qchips\*q"
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\ \ ...
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.B EndSection
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.fi
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.SH DESCRIPTION
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.B chips
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is an __xservername__ driver for Chips and Technologies video processors. The majority
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of the Chips and Technologies chipsets are supported by this driver. In general
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the limitation on the capabilities of this driver are determined by the
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chipset on which it is run. Where possible, this driver provides full
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acceleration and supports the following depths: 1, 4, 8, 15, 16, 24 and on
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the latest chipsets an 8+16 overlay mode. All visual types are supported for
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depth 1, 4 and 8 and both TrueColor and DirectColor visuals are supported
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where possible. Multi-head configurations are supported on PCI or AGP buses.
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.SH SUPPORTED HARDWARE
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The
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.B chips
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driver supports video processors on most of the bus types currently available.
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The chipsets supported fall into one of three architectural classes. A
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.B basic
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architecture, the
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.B WinGine
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architecture and the newer
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.B HiQV
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architecture.
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.PP
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.B Basic Architecture
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.PP
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The supported chipsets are
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.B ct65520, ct65525, ct65530, ct65535, ct65540, ct65545, ct65546
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and
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.B ct65548
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.PP
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Color depths 1, 4 and 8 are supported on all chipsets, while depths 15, 16
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and 24 are supported only on the
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.B 65540, 65545, 65546
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and
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.B 65548
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chipsets. The driver is accelerated when used with the
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.B 65545, 65546
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or
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.B 65548
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chipsets, however the DirectColor visual is not available.
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.PP
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.B Wingine Architecture
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.PP
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The supported chipsets are
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.B ct64200
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and
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.B ct64300
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.PP
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Color depths 1, 4 and 8 are supported on both chipsets, while depths 15, 16
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and 24 are supported only on the
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.B 64300
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chipsets. The driver is accelerated when used with the
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.B 64300
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chipsets, however the DirectColor visual is not available.
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.PP
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.B HiQV Architecture
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.PP
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The supported chipsets are
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.B ct65550, ct65554, ct65555, ct68554, ct69000
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and
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.B ct69030
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.PP
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Color depths 1, 4, 8, 15, 16, 24 and 8+16 are supported on all chipsets.
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The DirectColor visual is supported on all color depths except the 8+16
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overlay mode. Full acceleration is supplied for all chipsets.
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.SH CONFIGURATION DETAILS
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Please refer to __xconfigfile__(__filemansuffix__) for general configuration
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details. This section only covers configuration details specific to this
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driver.
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.PP
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The driver auto-detects the chipset type, but the following
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.B ChipSet
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names may optionally be specified in the config file
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.B \*qDevice\*q
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section, and will override the auto-detection:
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.PP
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.RS 4
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"ct65520", "ct65525", "ct65530", "ct65535", "ct65540", "ct65545", "ct65546",
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"ct65548", "ct65550", "ct65554", "ct65555", "ct68554", "ct69000", "ct69030",
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"ct64200", "ct64300".
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.RE
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.PP
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The driver will auto-detect the amount of video memory present for all
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chipsets. But maybe overridden with the
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.B VideoRam
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entry in the config file
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.B \*qDevice\*q
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section.
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.PP
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The following driver
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.B Options
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are supported, on one or more of the supported chipsets:
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.TP
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.BI "Option \*qNoAccel\*q \*q" boolean \*q
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Disable or enable acceleration. Default: acceleration is enabled.
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.TP
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.BI "Option \*qNoLinear\*q \*q" boolean \*q
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Disables linear addressing in cases where it is enabled by default.
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Default: off
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.TP
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.BI "Option \*qLinear\*q \*q" boolean \*q
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Enables linear addressing in cases where it is disabled by default.
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Default: off
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.TP
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.BI "Option \*qHWCursor\*q \*q" boolean \*q
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Enable or disable the HW cursor. Default: on.
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.TP
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.BI "Option \*qSWCursor\*q \*q" boolean \*q
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Enable or disable the SW cursor. Default: off.
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.TP
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.BI "Option \*qSTN\*q \*q" boolean \*q
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Force detection of STN screen type. Default: off.
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.TP
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.BI "Option \*qUseModeline\*q \*q" boolean \*q
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Reprogram flat panel timings with values from the modeline. Default: off
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.TP
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.BI "Option \*qFixPanelSize\*q \*q" boolean \*q
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Reprogram flat panel size with values from the modeline. Default: off
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.TP
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.BI "Option \*qNoStretch\*q \*q" boolean \*q
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This option disables the stretching on a mode on a flat panel to fill the
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screen. Default: off
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.TP
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.BI "Option \*qLcdCenter\*q \*q" boolean \*q
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Center the mode displayed on the flat panel on the screen. Default: off
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.TP
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.BI "Option \*qHWclocks\*q \*q" boolean \*q
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Force the use of fixed hardware clocks on chips that support both fixed
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and programmable clocks. Default: off
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.TP
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.BI "Option \*qUseVclk1\*q \*q" boolean \*q
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Use the Vclk1 programmable clock on
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.B HiQV
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chipsets instead of Vclk2. Default: off
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.TP
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.BI "Option \*qFPClock8\*q \*q" float \*q
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.TP
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.BI "Option \*qFPClock16\*q \*q" float \*q
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.TP
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.BI "Option \*qFPClock24\*q \*q" float \*q
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.TP
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.BI "Option \*qFPClock32\*q \*q" float \*q
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Force the use of a particular video clock speed for use with the
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flat panel at a specified depth
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.TP
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.BI "Option \*qMMIO\*q \*q" boolean \*q
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Force the use of memory mapped IO for acceleration registers. Default: off
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.TP
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.BI "Option \*qFullMMIO\*q \*q" boolean \*q
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Force the use of memory mapped IO where it can be used. Default: off
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.TP
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.BI "Option \*qSuspendHack\*q \*q" boolean \*q
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Force driver to leave centering and stretching registers alone. This
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can fix some laptop suspend/resume problems. Default: off
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.TP
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.BI "Option \*qColorKey\*q \*q" integer \*q
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Set the colormap index used for the transparency key for the depth 8 plane
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when operating in 8+16 overlay mode. The value must be in the range
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2\-255. Default: 255.
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.TP
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.BI "Option \*qVideoKey\*q \*q" integer \*q
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This sets the default pixel value for the YUV video overlay key.
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Default: undefined.
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.TP
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.BI "Option \*qShadowFB\*q \*q" boolean \*q
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Enable or disable use of the shadow framebuffer layer. Default: off.
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.TP
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.BI "Option \*qSyncOnGreen\*q \*q" boolean \*q
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Enable or disable combining the sync signals with the green signal.
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Default: off.
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.TP
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.BI "Option \*qShowCache\*q \*q" boolean \*q
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Enable or disable viewing offscreen memory. Used for debugging only
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Default: off.
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.TP
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.BI "Option \*q18bitBus\*q \*q" boolean \*q
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Force the driver to assume that the flat panel has an 18bit data bus.
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Default: off.
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.TP
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.BI "Option \*qCrt2Memory\*q \*q" integer \*q
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In a dual-head mode (69030 only) this option selects the amount of memory
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to set aside for the second head. If not specified, half the memory is used.
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Default: off.
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.TP
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.BI "Option \*qDualRefresh\*q \*q" integer \*q
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The 69030 supports independent refresh rates on its two display channels.
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This mode of operations uses additional memory bandwidth and thus limits
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the maximum colour depth and refresh rate that can be achieved, and so is
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off by default. Using this option forces the use of an independent refresh
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rate on the two screens.
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Default: off.
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.TP
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.BI "Option \*qFpMode\*q \*q" boolean \*q
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The driver probes the chip to find out if a flat panel (LCD) is connected
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and active. If this is true it limits the possible screen size to the maximum
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resolution of the panel. The chips is initialized by the BIOS which may
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set the chip to 'dual' mode even if no panel is connected. In this case
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the available resolution on the CRT is limited to the panel size
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the BIOS has set. To tell the driver that no panel is connected despite
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of what the BIOS is saying set this option to off. Don't set it to off
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if a panel is connected.
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Default: value probed by BIOS.
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.SH "SEE ALSO"
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__xservername__(__appmansuffix__), __xconfigfile__(__filemansuffix__), Xserver(__appmansuffix__), X(__miscmansuffix__)
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.PP
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You are also recommended to read the README.chips file that comes with all
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__xservername__ distributions, which discusses the
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.B chips
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driver in more detail.
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.SH AUTHORS
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Authors include: Jon Block, Mike Hollick, Regis Cridlig, Nozomi Ytow,
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Egbert Eich, David Bateman and Xavier Ducoin
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