1. 5480_nt.exe Driver
2. README.TXT File Contents

README.TXT Driver File Contents (5480_nt.exe)

5480 Graphics Display Device Driver for Microsoft Windows NT 4.0
________________________________________________________________


   Device Driver Version: 1.10


   Contents
   ________


           1.0    Changes in this release
             1.1  Changes from previous releases
           2.0    Installing the Device Drivers
           3.0    Setting the DDC default value
           4.0    Component Description


  1.0 Changes in this release
  _______________________________

  Version: 1.10
  Release Date: 4/27/98     
  Internal#: 110a01
  Files Modified: CL54XX.DLL, CL54XX.SYS, MONISEL.DLL, MONISEL.TXT, MONISEL.HLP, 
                  CIRRUS.INF

  Files Removed:  - Color Correction Utility: CLGAMMA.EXE, CLGAMMA.HLP, CLGAMMA.TXT
                  - 3.5x files: CL54XX35.DLL, CL54XX35.SYS, OEMSETUP.INF, TXTSETUP.OEM

  New Features / Major Changes:

  - Modifications to comply with WHQL PC97 specifications.
  - Removed all HW Overlay support.
  - Fixes 2nd aperture problem with install
  - OEM now has the option to set DDC default to ON or OFF by 
    modifying the Cirrus.inf file. See section 3.0.
  - New DDC monitor support.
  - New DDC algorithm for HP DDC monitor.
  - New option box "Automatically detect Plug-N-Play Monitor" 
    in the Monitor Selection Tab of Display Properties allows you to 
    Enable/Disable DDC.

  CL54XX.DLL, CL54XX.SYS
   - Fix the hang up bug for HP server system with two PCI bus.
   - Resolved GPF while running OVERFLY.EXE in 640x480x8bit 
     when switching from stretch maximum to minimum. PDR#10795.
   - Resolved noise when occluding a window on top of a running AVI file 
     in 1024x768x16bit at 70Hz and 75Hz. PDR#10797.
   - Corrected a screen corruption in Multimedia Extension 
     program when moving MXB window around. PDR#9962.

  MONISEL.DLL, MONISEL.TXT
   - Modified DDC on/off checkbox name to "Use Monitor Plug-N-Play (PnP) 
      Selection". 
   - Full localization support. Loads the message strings from MONISEL.TXT file


  1.1 Changes from previous releases
  __________________________________

  Version: 1.00d
  Release Date: 4/22/97    
  Internal#: 100B01
  Modified Files: CL54XX.DLL, CL54XX.SYS

  New Features / Major Changes:

  NT 4.0 Display Driver (CL54XX.DLL): 
  - Fix 1280x1024x256 noise in Direct Draw.

  NT 4.0 Mini port Driver (CL54XX.SYS): 
  - Blocked 1024x768x16bpp, 85Hz 
  - Got rid of all 85Hz mode for the 5434 and 5434_6.
  - Added specific to get Cirrus chip ID and revision ID.

  NT 3.5 Display Driver (CL54XX35.DLL): 
  - Add Enable/Disable Feature Connector functions.

  NT 3.5 Mini port Driver (CL54XX35.SYS): 
  - Blocked 1024x768x16bpp, 85Hz for IBM.
  - Got rid of all 85Hz mode for the 5434 and 5434_6.
  - Added specific to get Cirrus chip ID and revision ID.
  - Fix NT3.51 booting issue.

  Monitor Selection Utility  (MONISEL.DLL):
  - Fix for the monitor selection utility to remove VGA drivers and other manufacturer's 
    video cards that were previously installed.  PDR#8867.


  Color Correction Utility (CLGAMMA.EXE):
   - Changed the LUT data structure format to conform with Windows spec.
   - Fix for the non standard format used for the color LUT interface 



  2.0 Installing the Device Drivers
  _________________________________

   
  1. Click Start, then Settings, then Control Panel.
  2. Start the "Display" applet program. 
  3. Select the "Settings" tab, push the "Display Type" button.
  4. Push the "Change" button in the "Display Type" Dialogue Box.
  5. Push the "Have Disk" button from the "Change Display" Dialogue box.
  6. Specify the path to the new driver and press the <ENTER> key:

          Example 1: Insert the drivers disk in the A: floppy drive,
                     and enter A:\.

          Example 2: Type in the name of the directory where you copied
                     the drivers, either on your local hard drive or
                     on a network share.

          Example 3: If you're not sure exactly where the drivers are,
                     choose the "Browse..." button are find them.

  7. The "Change Display" dialog box will appear. Choose OK.

  8. Windows NT will copy the display drivers to the proper directories
     on your system.

  9. The "Third-Party Drivers" Dialogue Box will appear. Choose Yes to 
     proceed.

  10. Continue to follow screen instructions until asked to restart your 
      machine.

  11. After the system has restarted, you can go back into the Display
      applet and select alternate screen resolutions and color depths.



  3.0 Setting the DDC default value
  _______________________________
 
  1. Open the cirrus.inf file found on the disk.
  2. Go to the section called [cirrus_SoftwareDeviceSettings]
  3. Edit the last character to 1 to enable DDC. 
     Example:     HKR,, DDCControlFlag, %REG_DWORD%, 1

     Or edit the last character to 0 to disable DDC. 
     Example:     HKR,, DDCControlFlag, %REG_DWORD%, 0
 
     Warning: Changing the Cirrus.inf file may void the MS-WHQL logo.


  4.0 Component Versions
  _______________________________

  File Name         Version             Component Description
  ============      ==============      ====================================

  Cirrus.inf        N/A			Setup Install script
  Cirrus1           N/A			Installation Tag File
  cl54xx.dll        4.0.31              Display driver
  cl54xx.sys        4.0.31              Miniport driver
  monisel.dll       1.00.0005		Monitor Selection Utility
  monisel.hlp       N/A			Monitor Selection Utility Help Document
  monisel.txt       N/A			Monitor Selection Utility Text Document
  readme.1st        N/A			This File. ASCII text file.
  timings.dat       N/A			Monitor Timing file.