Chips and Technologies, Inc.
                         Display Driver Package
                   Release Notes for Windows NT 4.00

Revision:      1.1.0
Release Date:       August 4, 1997
================================
This driver release enables direct draw hardware overlay support.

The following problems have been fixed in the current release:
 1. Cursor disappears after return from video mode test.
 2. Blue Screen when running EDIT in DOS Window and then switched to Full Screen.
 
Revision:      1.0.9
Release Date:       July 18, 1997
================================
Installation of Chips Control Panel for NT (CNTNTDSP) has been added to 
oemsetup.inf.

The following problems have been fixed in the current release:
 1. 65550 -- Systems that are configured to support NTSC/PAL Video would get
    corrupted display when running 64K Color mode and switching from DOS Window
    to DOS Fullscreen session.

 2. Invalid Video Modes presented for selection in Display Settings when system
    is switched to Simultaneous Display Mode.
    
 3. Systems with 65535/65540 adapters hang during boot.   
 
Revision:      1.0.8
Release Date:       May 22, 1997
================================
The following problems have been fixed in the current release:
 1. Pre-install of driver does not work. Defaults to VGA.
 2. 65548 -- Cannot switch to Full Screen DOS session.
 3. 65548 -- When in Display Settings, selecting Test to test new display
    setting causes system to hang.

    Failures 2,3 are due to a problem with BIOS Set Refresh function,
    which was introduced in later versions of 65548 Video BIOS. Fix has been
    temporarily made in miniport driver until BIOS fix is available.

 4. 65545/548 VL/ISA -- The system will hang when doing a Restart after   
    shutdown.

 5. When switching to NTSC video, two cursor images appear on screen.
 
Revision:      1.0.7
Release Date:       Apr 17, 1997
================================
The following problems have been fixed in the current release:
 1. Added support for Generic Modes 36,46,47,56,57. Custom panel information
    is no longer hard coded in driver. Panel information is obtained with 
    BIOS.
 2. Cursor movement and position is not correct when Graphics Mode stretching
    is enabled. Switch to software cursor is now done to allow proper cursor
    movement.
 3. Added ExtEscape functions to support Chips VPM. 
 

Revision:      1.0.6
Release Date:       Apr 02, 1997
================================
The following problems have been fixed in the current release:
 1. Added support for 1024x600 mode.


Revision:      1.0.5
Release Date:       Mar 31, 1997
================================
The following problems have been fixed in the current release:
 1. Added support for NTSC/PAL CRT Panning. 
 2. Added ExtEscape functions to support ChipsCPL.
 3. Fixed NT 4.0 J problem switching to DOS Fullscreen session.
 
Revision:      1.0.4
Release Date:       Mar 10, 1997
================================

 1. Added support for 65555 and 68554 chips.
   
Revision:      1.0.3
Release Date:       Mar 03, 1997
================================
The following problems have been fixed in the current release:

 1. Underline Text Cursor is missing after switching from Desktop to DOS Command
    Prompt full screen session.   
   
 2. Text Expansion gets reset during restore of DOS Command Prompt full screen
    session. 

 3. Invalid refresh selection ( 0 Hz ) listed in Display Settings.

Revision:      1.0.2
Release Date:  Jan 20, 1997
===========================

1. Fixed problem with corruption in display window when using Media Player to 
   play an MPEG (.MPG) file. 
   
2. Fixed problem with AVI window freezing when playing and an overlapping DOS
   Command Prompt window was switched to full screen, then switched back to
   a window, and then minimized to tak bar. Media Player control would indicate
   that the video clip was playing, but nothing was being drawn in AVI window.
   
3. Fixed problem with 24bpp Transparent SRC/DST bitblt operations in Direct Draw.

4. Modified code to correctly output large font (glyphs) that reside in "packed"
   font files.

Revision:      1.0.0
Release Date:  Oct 4, 1996
==========================

1. Added Direct Draw bitblt support for 6555x, 6554x.

2. Fixed the following problems:

   a. Full screen graphic VDMs are stretched vertically and horizontally.

   b. Mouse cursor disappears when you go to the right edge or bottom edge
      in 800x600 or 1024x768 modes.

   c. Start WinNT 4.0 with true color mode(mode 50 or 52). Select any
      background pattern from the Display Properties Background sheet. Click OK.
      You will see that the background palette is corrupt.

   d. Memory size detection and mode missing problem on 65554.