RELEASE.TXT FILE FOR TSENG LABS WINDOWS 95 DISPLAY DRIVER
Tseng Labs, Inc.
Tseng Labs Windows 95 Display Driver for ET6000
(C) Copyright 1997. Tseng Labs, Inc.
All rights reserved.
______________________________________________
NOTE!
THE METHOD OF HANDLING INTERNAL DRIVER VERSION NUMBERS HAS BEEN CHANGED WITH RELEASE 6.
AS A RESULT, A PROBLEM WAS ENCOUNTERED WHICH WAS RECTIFIED BY CHANGING THE DRIVER FILE
NAMES. THE FILES , TSENGET6.DLL, TSENGET6.DRV, AND TSENGET6.VXD HAVE BEEN REPLACED WITH
TLIET600.DLL, TLIET600.DRV, TLIET600.VXD .
Driver Name: Tseng Labs Windows 95 Display Driver for ET6000
Driver Date: 4/24/97
Driver Chip Support: ET6000
Driver Release: 6
Driver Version: 4.03.4800
DRIVER FEATURES ADDED FOR THIS RELEASE
Changes from Release 5 (Version 4.03.3600 01-21-97)
* Added registry support for the INFO subkey on builds of OSR2 and
Memphis beta to provide additional information on the Advanced Display Properties Window.
* Optimized some DirectDraw calls by for speed by using function inlining.
* Added new "win.ini" flag to enable the reporting of Destination ColorKey capabilities
in overlays. In [TsengDD] section of the win.ini, set flag "NoOverlayColorKey " =0
to enable this capability. (for more details, see NOTES - .INI FILES below)
* Added support for the new Multi-Monitor feature in Microsoft Win 95 Memphis beta.
* Boosted clipping thread priority to improve performance on the Pentium Pro and other
fast machines.
* To enhance graphics performance, support was added for the Pentium USWC
memory type (WriteCombining). When USWC is enabled in the Pentium Pro
by a separate third party vendor, the driver will correctly handle the USWC
on the entire 4 Meg region of the linear frame buffer memory.
* Enhanced DirectDraw memory management scheme for Overlay clipping list to improve driver
performance
* Miscellaneous bugs fixed.
BASIC DRIVER FEATURES
Basic MiniDriver Functionality
The driver supports identical accelerated functionality in all pixel
depths 8/16/24. For operations that can use Raster Ops the driver uses
the Accelerator in all cases. HiColor (16Bpp) modes are 565. The driver
uses Linear Addressing (not VFLATD bank switching) in all modes.
This driver also utilizes Device Bitmaps to provide improved acceleration.
If there is enough Offscreen Memory available, Color Bitmaps that normally
would be allocated in Host/System Memory will be allocated in Screen Memory
allowing the ET6000 to be used to operate directly on those bitmaps. There is
accelerated support for the Color Bitmaps listed below when they reside in Video
RAM. If there is not enough room for a particular bitmap then the DIB Engine
is used to render those.
The minidriver utilizes the ET6000 to accelerate the following:
Legend: S - Screen, C - Color Bitmap - Host Memory, M - Mono Bitmap
BitBlt, CtoS, All ROPS (this includes PatBlt)
BitBlt, StoS, All ROPS (this includes PatBlt)
BitBlt, MtoS, All ROPS
PatBlt, C, Mono Pattern, All ROPS
PatBlt, S, Mono Pattern, All ROPS
Lines,C, Horizontal/Vertical/Diagonal
Lines,S, Horizontal/Vertical/Diagonal
Polygon, C & S
Rectangle, C & S
Scanlines, C & S
Ellipses, C & S
Circles, C & S
Rounded Rects, C & S
Text, C & S, All Fonts
Hardware Cursor, all modes, when Cursor is mono
Automatic Refresh Rate selection based on Monitor Info and
DDC1 monitors are supported in the driver.
The DirectDraw Portion of the Driver supports the following:
* DirectX 2.0, 3.0 and 3.0a (DirectX 1.0 is no-longer supported)
* Support for the following Low Resolution Modes
at 8 & 16 & 24 Bpp:
320x200
320x240
512x384
640x400
* Primary Surface Access
* Accelerated Transparent Blt (arbitrary Transparent Color)
* Full Screen Page Flipping
* BitBlt S&D Rops
* 2 Overlay Windows (1 Page Flipped Overlay) (RGB 16/24 or YUV422)
NOTES - .INI FILE OPTIONS
Using a win.ini switch, you can display an indicator to visually determine
if the ET6000 Display List Overlay Engine is being used. A small block will
appear in the upper left corner of the video. The block will be purple in
color for YUV422 Overlays and White for RGB565 overlays. Edit win.ini as
follows to get the indicator:
[TsengDD]
OverlayIndicator=1 ; delete line or set =0 to remove indicator
Some resolution/color depth/refresh rate combinations have visual
quality problems with the Display List processor. The following display
modes have overlay capability disabled by default:
· 1024x768x24 70Hz
· 1024x768x24 60Hz
· 1024x768x16 75Hz
· 1024x768x16 70Hz
· 1024x768x16 60Hz
· 800x600x24 90Hz
· 800x600x16 90Hz
To override the default settings and force overlay support for these modes,
edit win.ini and add the following switch to the [TsengDD] section:
Note: (You may also have to add the "[TsengDD]" section description also)
[TsengDD]
OverlaysOn=1 ; 0 does not allow overlays in the above modes, 1 does.
; When set to 1, faster MPEG and Video playback is possible
; but this setting is not recommended nor supported by Tseng Labs.
[TsengDD]
NoOverlayFlip=1 ; 0 does not allow overlays flippable Overlay surfaces to be created.
; To up the score for WB 97 so max frame rate is not tied to
; Monitor Refresh
; Please note that only 1 overlay can be flippable. The other(s)
; must be single buffered.
[TsengDD]
NoOverlayColorKey=1 ; 0 indicates to the driver that it should return TRUE to DirectDraw
; for the Destination Colorkey CAPS flag. This is necessary to
; support some applications (like DirectVideo), that don't know about
; or use the ET6000's advanced hardware clipping without setting
; a colorkey value. By default, this value is set 1, to
; be compliant for WHQL tests. Set to 0 for DirectVideo
; to clip correctly.
[TsengDD]
MaxOverlays=n ; n = (1,2(default),3,4) Sets the maximum number of overlay (video)
; windows that can be shown simultaneously. 2 is the default and is
; also all that is supported by Tseng Labs. Problems can occur
; when 3 or 4 is attempted and is not recommended for normal use.
The driver default internal switch settings in "win.ini":
[TsengDD]
OverlayIndicator=0
OverlaysOn=0
NoOverlayFlip=0
NoOverlayColorKey=1
MaxOverlays=2
NOTES - GENERAL
The driver is installed through the normal Windows 95 Control Panel
mechanism as presented in the README.TXT file in this directory.
To accelerate Video file playback using DirectDraw, DirectVideo or ActiveMovie must be installed.
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.