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<!DOCTYPE linuxdoc PUBLIC "-//Xorg//DTD linuxdoc//EN" [
<!ENTITY % defs SYSTEM "defs.ent"> %defs;
]>
<article>
<title>Information for i740 Users
<author>Precision Insight, Inc.
<date>18 February 1999
<ident>
$Id$
</ident>
<toc>
<sect>Supported Hardware
<p>
<itemize>
<item>Intel 740 based cards.
</itemize>
<sect>Features
<p>
<itemize>
<item>Full support for 8, 15, 16, and 24 bit pixel depths.
<item>Hardware cursor support to reduce sprite flicker.
<item>Hardware accelerated 2D drawing engine support for 8, 15, 16 and
24 bit pixel depths.
<item>Support for high resolution video modes up to 1600x1200.
<item>Support for doublescan video modes (e.g., 320x200 and 320x240).
<item>Support for gamma correction at all pixel depths.
<item>Fully programmable clock supported.
<item>Robust text mode restore for VT switching.
</itemize>
<sect>Technical Notes
<p>
<itemize>
<item>Hardware acceleration is not possible when using the framebuffer
in 32 bit per pixel format.
<item>Interlace modes cannot be supported.
</itemize>
<sect>Reported Working Video Cards
<p>
<itemize>
<item>Real3D Starfighter AGP
<item>Real3D Starfighter PCI
<item>Diamond Stealth II/G460 AGP
<item>3DVision-i740 AGP
<item>ABIT G740 8MB SDRAM
<item>Acorp AGP i740
<item>AGP 2D/3D V. 1N, AGP-740D
<item>AOpen AGP 2X 3D Navigator PA740
<item>ARISTO i740 AGP (ART-i740-G)
<item>ASUS AGP-V2740
<item>Atrend (Speedy) 3DIO740 AGP (ATC-2740)
<item>Chaintech AGP-740D
<item>EliteGroup(ECS) 3DVision-i740 AGP
<item>EONtronics Picasso 740
<item>EONtronics Van Gogh
<item>Everex MVGA i740/AG
<item>Flagpoint Shocker i740 8MB
<item>Gainward CardExpert 740 8MB
<item>Genoa Systems Phantom 740
<item>Gigabyte Predator i740 8MB AGP
<item>Hercules Terminator 128 2X/i AGP
<item>HOT-158 (Shuttle)
<item>Intel Express 3D AGP
<item>Jaton Video-740 AGP 3D
<item>Jetway J-740-3D 8MB AGP, i740 AGP 3D
<item>Joymedia Apollo 7400
<item>Leadtek Winfast S900
<item>Machspeed Raptor i740 AGP 4600
<item>Magic-Pro MP-740DVD
<item>MAXI Gamer AGP 8 MB
<item>Palit Daytona AGP740
<item>PowerColor C740 (SG/SD) AGP
<item>QDI Amazing I
<item>Soyo AGP (SY-740 AGP)
<item>Spacewalker Hot-158
<item>VideoExcel AGP 740
<item>ViewTop ZeusL 8MB
<item>Winfast S900 i740 AGP 8MB
</itemize>
<sect>Configuration
<p>
The driver auto-detects all device information necessary to
initialize the card. The only lines you need in the "Device"
section of your xorg.conf file are:
<verb>
Section "Device"
Identifier "Intel i740"
Driver "i740"
EndSection
</verb>
or let <tt>xorgconfig</tt> do this for you.
However, if you have problems with auto-detection, you can specify:
<itemize>
<item>VideoRam - in kilobytes
<item>DacSpeed - in MHz
<item>MemBase - physical address of the linear framebuffer
<item>IOBase - physical address of the memory mapped IO registers
</itemize>
<sect>Driver Options
<p>
<itemize>
<item>"NoAccel" - Turn off hardware acceleration
<item>"SWCursor" - Request a software cursor (hardware is default)
<item>"SDRAM" - Force the use of SDRAM timings
<item>"SGRAM" - Force the use of SGRAM timings
<item>"SlowRam" - Force the use of slower ram timings
<item>"Dac6Bit" - Force the use of a 6 Bit Dac (8 Bit is the default)
<item>"UsePIO - Force the use of programmed IO (Memory mapped is the default)
</itemize>
Note: the i740 X server should automatically detect whether your
card has SGRAM or SDRAM. Use the "sgram" and "sdram" options
if it is incorrectly detected.
<sect>Known Limitations
<p>
<itemize>
<item>Certain drawing operations are very slow when using 24 bit
pixel depth mode.
</itemize>
<sect>Author
<p>
<itemize>
<item>Original version by Kevin E Martin
<email>kevin@precisioninsight.com</email>
<item>Daryll Strauss <email>daryll@precisioninsight.com</email>
</itemize>
The X11R&relvers; version of this driver originally came from XFree86 4.4 rc2.
The XFree86 version of this driver was donated to The XFree86 Project by:
<verb>
Precision Insight, Inc.
Cedar Park, TX
USA
</verb>
<htmlurl name="http://www.precisioninsight.com"
url="http://www.precisioninsight.com">
</article>
|
