1. VIDEO.ZIP Driver
  2. ReleaseNotes.txt File Contents

ReleaseNotes.txt Driver File Contents (VIDEO.ZIP)

Windows9x Display Driver Release Notes
Version 4.10.01.1322a
Windows 98
January 18, 2001

-----------------------------------------------------------------------------
PRODUCT INFORMATION
-----------------------------------------------------------------------------
This is the National Semiconductor Windows9x Display Driver Version 
4.10.01.1322a 
 
This product includes: 
 
- Display Driver 
 
Product files 
------------- 
   \version.txt        This file 
   \gx95.drv	       Windows 9x Display driver
   \gxmini.vxd         Windows 9x VDD
   \gxdraw.dll	       Windows 9x Direct draw driver (Needs DX 6.0)
   \gx95.inf           Driver installation file for Windows9x Setup 
   \nscvid.dll         Applet allowing video color controls
   \nscctl.dll         Applet providing advanced controls for
                       the display hardware
   \gxtv.dll
   \gxtvpos.dll
   \gxtvfb.dll


-----------------------------------------------------------------------------
INSTALLATION INSTRUCTIONS
-----------------------------------------------------------------------------
 
To install the National Semiconductor driver : 
----------------------------------------------
Windows 95
----------
1.  Before installing this driver package, please make sure that the system 
    is configured with the Microsoft VGA driver.  For information on 
    installing the Microsoft VGA driver, please refer to your Microsoft 
    Windows 95 User's Manual.

2.  Start Microsoft Windows 95.

3.  From the Start menu, select Settings.

4.  Select Control Panel.

5.  Select Display.

6.  Select the Settings tab.

7.  Select Advanced Properties.

8.  Select Adapter.

9.  Select Change.

10.  Insert the National Semiconductor Disk into the 3.5" floppy drive.

11.  Select Have Disk.

12.  Verify that Windows has selected to the path to the floppy drive.  If
     Windows does not have the correct path, correct the path appropriately.
     Select OK.

13.  Windows should find files for the National Semiconductor Corp.  If 
     Windows found the files, select OK.

14.  Windows will copy over the necessary files to the hard disk.  

15.  Select Apply.

16.  Select OK.

17.  Select Apply.

18.  Windows will ask if you wish to restart the computer.  Remove any floppy
     diskettes from the floppy drive, then select Yes.


Windows 98
----------
1.  Before installing this driver package, please make sure that the system 
    is configured with the Microsoft VGA driver.  For information on 
    installing the Microsoft VGA driver, please refer to your Microsoft 
    Windows 98 User's Manual.

2.  Start Microsoft Windows 98.

3.  From the Start menu, select Settings.

4.  Select Control Panel.

5.  Select Display.

6.  Select the Settings tab.

7.  Select Advanced.

8.  Select Adapter.

9.  Select Change.

10.  Insert the National Semiconductor Corp. Driver Disk into the 3.5" 
floppy drive.

11.  Select Next.

12.  Select Next.

13.  Select Next.

14.  Windows should find files for the National Semiconductor Corp.  If 
     Windows found the files, select Next.

15.  Windows will copy over the necessary files to the hard disk.

16.  Select Finish.

17.  Windows will ask if you wish to restart the computer.  Remove any floppy
     diskettes from the floppy drive, then select Yes.


-----------------------------------------------------------------------------
REVISION HISTORY
-----------------------------------------------------------------------------
09/26/00    v4.10.01.1322a

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added 85Hz for all modes in gx95.inf file.

-----------------------------------------------------------------------------
VALIDATION NOTES
-----------------------------------------------------------------------------
* At 1280x1024x16 @ 85 Hz on Centaurus, playing an MPEG or 3 Simultaneous 
  AVI's 
  for more than 1 minutes causes the system to hang.
* Do not use unfixed.com on the Dorado Platform. 
* When playing Quake 2 in modes < 640x480 at full screen, the bottom half 
  of the screen is cut off on both Dorado and Centaurus. 

=============================================================================

08/02/00    v4.10.01.1322

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for SC1200 (AlphaBlending, Video Overlay).
* Added VIP support
* Added Field writes and read macros
* Added SC1200 Support
* Added SC1200 alpha blending support

-----------------------------------------------------------------------------
KNOWN ERRATA
-----------------------------------------------------------------------------
* 1280x1024x16Bpp @85Hz might experience graphics or video playback 
  containing black random horiz. lines.

=============================================================================

06/20/00    v4.10.01.1321

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Adjusted cursor buffer for 1280x1024x8bpp.
* Added definition for compression line size
* Added an extra heap to ddraw.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed Video corruption when playing 2 or more video files.

=============================================================================

06/16/00    v4.10.01.1320

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for the following refresh rates:
	- 640x480, 800x600: 60, 72, 75
	- 1024x768: 60,70,75
	- 1280x1024: 60,75,85

=============================================================================

06/13/00    v4.10.01.1319

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Corrected the Off screen Memory Calculation
* Modified the vdeo heap end calculation
* Corrected the available heap for DirectDraw.

=============================================================================

06/09/00    v4.10.01.1318

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Exported rect_data
* computed compression buffer pitch
* cursor offset setup code moved to gx_enable

=============================================================================

06/07/00    v4.10.01.1317

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* changed the registry variable from CYRIX to NSC	
* Modified the cyrixctl, cyrixvid, cyrixdbg to nscctl, nscvid, nscdbg.
* Number of modes supported

=============================================================================

06/05/00    v4.10.01.1316

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for VSA2 in VDD and Display driver.
* Added 1280x1024x16 mode for the GX1 chip.
* Added compression support to the Display driver as SoftVGA has no support 
  in VSA2.   
* Modified code to diable compression in Full screen dos mode.
* fixed the hanging problen in Directdraw.

=============================================================================
09/28/99    v4.10.01.1315

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Check for VSA2

=============================================================================

01/15/99    v4.10.01.1314

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* None

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed MPEG related bug introduced with v1310. 

=============================================================================

12/22/98    v4.10.01.1313

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* None

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed rectangles for Output with destination data.

=============================================================================

11/10/98    v4.10.01.1312

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added video overlay support with TV output enabled.
* Added 2x overlay support for modes <= 512.
* New control applet for disabling acceleration.
* Changed name of control applet for video gamma control.

=============================================================================

10/30/98    v4.10.01.1310

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Removed VGA based DirectDraw screen flipping.
* Added flat panel panning with video overlay support.

=============================================================================

10/19/98    v4.10.01.1309

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Removed flat panel panning support.

=============================================================================

8/26/98     v4.10.01.1308

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for the Chrontel 7003 NTSC encoder.
* Added support for the Chrontel 7003 NTSC encoder. 

=============================================================================

8/5/98      v4.10.01.1307

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Allow 1024x768x16 modes on notebooks.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed DCT Overfly test in 8bpp mode if same as primary is selected.
 
=============================================================================

6/29/98     v4.10.01.1306

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added interrupt protection around all PCI config cycles and CPU register 
  accesses.
 
=============================================================================

5/18/98     v4.10.01.1305

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Video playback is red when 8bpp and IE 4.0 is installed.
            
=============================================================================

5/1/98      v4.10.01.1304

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* None

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Mouse becomes jerky during map mode of Deer Hunter.
* Video remains enabled on Windows shutdown.
            
=============================================================================

4/20/98     v4.10.01.1303

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added CPU speed detection code for GXm.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed DispTest displays garbage during mode 0xD.   

=============================================================================

4/02/98     v4.10.01.1302

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added code to handle > 266MHz CPU's and video overlay.
* Added support for odd clocked CPU's and video overlay.     

=============================================================================

3/24/98     v4.10.01.1301

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* None

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed palette corruption when returning from a monitor shut-down state via
  the mouse with a Microsoft Plus! (high color) desktop theme.

=============================================================================

3/9/98      v4.10.01.1300   

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added multi-monitor support for Win98, requires
* Cx5530 core logic and system BIOS 39 or above.
* Changed page flipping to return status instead of waiting for flipped.

=============================================================================

2/9/98      v4.10.01.1209

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for GXm 4.3 early ready video bits.

=============================================================================

1/20/98     v4.10.01.1208

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for the Cx5530 core logic chip.
* Added DDVERSIONINFO escape.
* Improved AVI playback for widths greater than 384 pixels.
* Added support for the Cx5530 core logic chip.
* Added support for TV encoder capabilities bits.
* Improved display control register locking.
* Added support for the Cx5530 core logic chip.

=============================================================================

12/3/97     v4.10.01.1207

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* None

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed bug with 1.5M frame buffers and 800x600x16 resolution
  with the Xing 3.12 MPEG player.
* Fixed bug with GXm and video playback which causes the video
  display to turn into garbage and lock the system.
* Fixed problem when switching from full screen DOS to windows
  while video playback occuring.
          
=============================================================================

11/25/97    v4.10.01.1206

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added special setup code for video overlay enable to support
  GXm in 6X clock mode.

=============================================================================

11/11/97    v4.10.01.1205

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* 320x200x8 and 320x240x8 DirectDraw modes are now accelerated
  and do not use ModeX.
* Masked off top 10 bit of cursor base address.

=============================================================================

11/7/97     v4.10.01.1204

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Removed DSTBLT colorkey capability bits.

=============================================================================

11/3/97     v4.10.01.1203

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* None

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed 16 byte alignment problem with GXm solid fills.

=============================================================================

9/30/97     v4.10.01.1202

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Minor INF change.

=============================================================================

9/29/97     v4.10.01.1201

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* None

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed VDD bank setting bug in Microsoft DCT DISPTEST with
  mode 0x0D and GXi or GXm.

=============================================================================

9/8/97      v4.10.01.1200   DirectX 5.0 support added

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for GXm.

=============================================================================

7/10/97     v4.03.1117      Requires system BIOS ROM A9 or above

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added support for the Chrontel 7001.
* TV position control property sheet added.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed bug with mouse tracking 640x480 when screen is 800x600.
* Fixed GPF bug with Hangual Windows 95 (OSR2) with PPP dial-up terminal 
  window.


=============================================================================

6/12/97     v4.03.1116      Requires system BIOS ROM A9 or above

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added direct palette access code and Cx5520 core logic support.
* Modified cursor panning code to improve general performance.
* Single driver now supports all platforms.
* Single INF now supports all platforms.
* Added support to query the CPU speed, CPU ID and core logic ID.
* Added support for Cx5520 core logic, including video overlay.
* Gamma/brightness/contrast control video overlay property sheet added.

=============================================================================

4/17/97     v4.03.1114

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Added code to initialize the high byte of the palette 
  for video chroma key support.
* Modified driver to only use the 576x400 resolution for the 
  "NTSC - 576x400" option.  The PAL format always uses 640x480.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed bug in the vector clipping code (extra pixels were 
  produced outside of the clip region).  

=============================================================================

4/01/97     v4.03.1113      New INF's require system BIOS ROM 75 or above

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Changed PNP BIOS node to CRX0001

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed bug when switching Fox and Bear from 320x200x8 to 320x240x8.

=============================================================================

3/17/97     v4.03.1112

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Single driver support for the 576x400 desktop resolution.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed bug when switching between a full screen DOS box in
  Kanji text mode and English text mode.

=============================================================================

2/20/97     v4.03.1111

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* TV control initialization code added.
* 576x400 mode only driver created.
* TV control property sheet added.
* Changed GetChipID to always return 1.4 for all revisions of GX.  Will
  return 3.0 for all revisions of GXi.

=============================================================================

1/28/97     v4.03.1110

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Faster transparent BLT code added.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed Flip32 bug for The Neverhood.
* Windows won't load when set to 16bpp after changing memory
  setting in CMOS to low.

=============================================================================

12/20/96    v4.03.1109  

-----------------------------------------------------------------------------
FUNCTIONAL CHANGES
-----------------------------------------------------------------------------
* Removed 320x200x8 and 320x240x8 accelerated DDraw modes to support The 
  HIVE.

-----------------------------------------------------------------------------
DEFECTS CORRECTED
-----------------------------------------------------------------------------
* Fixed UpdateFlipStatus bug for TDDRAW.
* Cursor exclusion added to SrcDevice on S-S BLTs to fix cursor droppings.
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