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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
______________________________________________________________________
[1m1. Supported Hardware[0m
+o Intel 740 based cards.
[1m2. Features[0m
+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.
[1m3. Technical Notes[0m
+o Hardware acceleration is not possible when using the framebuffer in
32 bit per pixel format.
+o Interlace modes cannot be supported.
[1m4. Reported Working Video Cards[0m
+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
[1m5. Configuration[0m
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
[1m6. Driver Options[0m
+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.
[1m7. Known Limitations[0m
+o Certain drawing operations are very slow when using 24 bit pixel
depth mode.
[1m8. Author[0m
+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
|
