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+ Information for i740 Users
+ Precision Insight, Inc.
+ 18 February 1999
+ ____________________________________________________________
+
+ Table of Contents
+
+
+ 1. Supported Hardware
+ 2. Features
+ 3. Technical Notes
+ 4. Reported Working Video Cards
+ 5. Configuration
+ 6. Driver Options
+ 7. Known Limitations
+ 8. Author
+
+
+ ______________________________________________________________________
+
+ 1. Supported Hardware
+
+
+ +o Intel 740 based cards.
+
+
+
+ 2. Features
+
+
+ +o Full support for 8, 15, 16, and 24 bit pixel depths.
+
+ +o Hardware cursor support to reduce sprite flicker.
+
+ +o Hardware accelerated 2D drawing engine support for 8, 15, 16 and 24
+ bit pixel depths.
+
+ +o Support for high resolution video modes up to 1600x1200.
+
+ +o Support for doublescan video modes (e.g., 320x200 and 320x240).
+
+ +o Support for gamma correction at all pixel depths.
+
+ +o Fully programmable clock supported.
+
+ +o Robust text mode restore for VT switching.
+
+
+
+ 3. Technical Notes
+
+
+ +o Hardware acceleration is not possible when using the framebuffer in
+ 32 bit per pixel format.
+
+ +o Interlace modes cannot be supported.
+
+
+
+ 4. Reported Working Video Cards
+
+
+ +o Real3D Starfighter AGP
+
+ +o Real3D Starfighter PCI
+
+ +o Diamond Stealth II/G460 AGP
+
+ +o 3DVision-i740 AGP
+
+ +o ABIT G740 8MB SDRAM
+
+ +o Acorp AGP i740
+
+ +o AGP 2D/3D V. 1N, AGP-740D
+
+ +o AOpen AGP 2X 3D Navigator PA740
+
+ +o ARISTO i740 AGP (ART-i740-G)
+
+ +o ASUS AGP-V2740
+
+ +o Atrend (Speedy) 3DIO740 AGP (ATC-2740)
+
+ +o Chaintech AGP-740D
+
+ +o EliteGroup(ECS) 3DVision-i740 AGP
+
+ +o EONtronics Picasso 740
+
+ +o EONtronics Van Gogh
+
+ +o Everex MVGA i740/AG
+
+ +o Flagpoint Shocker i740 8MB
+
+ +o Gainward CardExpert 740 8MB
+
+ +o Genoa Systems Phantom 740
+
+ +o Gigabyte Predator i740 8MB AGP
+
+ +o Hercules Terminator 128 2X/i AGP
+
+ +o HOT-158 (Shuttle)
+
+ +o Intel Express 3D AGP
+
+ +o Jaton Video-740 AGP 3D
+
+ +o Jetway J-740-3D 8MB AGP, i740 AGP 3D
+
+ +o Joymedia Apollo 7400
+
+ +o Leadtek Winfast S900
+
+ +o Machspeed Raptor i740 AGP 4600
+
+ +o Magic-Pro MP-740DVD
+
+ +o MAXI Gamer AGP 8 MB
+
+ +o Palit Daytona AGP740
+
+ +o PowerColor C740 (SG/SD) AGP
+
+ +o QDI Amazing I
+
+ +o Soyo AGP (SY-740 AGP)
+
+ +o Spacewalker Hot-158
+
+ +o VideoExcel AGP 740
+
+ +o ViewTop ZeusL 8MB
+
+ +o Winfast S900 i740 AGP 8MB
+
+
+
+ 5. Configuration
+
+ 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:
+
+ Section "Device"
+ Identifier "Intel i740"
+ Driver "i740"
+ EndSection
+
+
+ or let xorgconfig do this for you.
+
+ However, if you have problems with auto-detection, you can specify:
+
+ +o VideoRam - in kilobytes
+
+ +o DacSpeed - in MHz
+
+ +o MemBase - physical address of the linear framebuffer
+
+ +o IOBase - physical address of the memory mapped IO registers
+
+
+
+ 6. Driver Options
+
+
+ +o "NoAccel" - Turn off hardware acceleration
+
+ +o "SWCursor" - Request a software cursor (hardware is default)
+
+ +o "SDRAM" - Force the use of SDRAM timings
+
+ +o "SGRAM" - Force the use of SGRAM timings
+
+ +o "SlowRam" - Force the use of slower ram timings
+
+ +o "Dac6Bit" - Force the use of a 6 Bit Dac (8 Bit is the default)
+
+ +o "UsePIO - Force the use of programmed IO (Memory mapped is the
+ default)
+
+ 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.
+
+
+
+ 7. Known Limitations
+
+
+ +o Certain drawing operations are very slow when using 24 bit pixel
+ depth mode.
+
+
+
+ 8. Author
+
+
+ +o Original version by Kevin E Martin <kevin@precisioninsight.com>
+
+ +o Daryll Strauss <daryll@precisioninsight.com>
+
+ The X11R6.8 version of this driver originally came from XFree86 4.4
+ rc2.
+
+ The XFree86 version of this driver was donated to The XFree86 Project
+ by:
+
+ Precision Insight, Inc.
+ Cedar Park, TX
+ USA
+
+
+
+ http://www.precisioninsight.com
+
+
+