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- CL-754x OS/2 v2.1x Driver Installation Disk
- (v2.20)
-
-
- Changes from release 2.10 to 2.20
- ---------------------------------
-
- -No changes.
-
-
- OS/2 Desktop Driver Limitations
- -------------------------------
- There is no utility or hotkey available to support switching displays
- from Panel(LCD) to CRT(Monitor) or to SimulSCAN(LCD & CRT) in the
- OS/2 Desktop.
-
- There is no utility or hotkey available to support switching displays
- from Panel(LCD) to CRT(Monitor) or to SimulSCAN(LCD & CRT) in WIN-OS/2
- Full-Screen.
-
- WARNING! Using any undocumented utility or application to change
- displays in a DOS full screen window COULD damage the panel!
-
-
- Resolution and Colors Supported in OS/2 PM Desktop
- --------------------------------------------------
- 640x480 256 colors (CRT/Panel/SimulSCAN display)
- 800x600 256 colors (CRT display and 8x6 TFT/DSTN panel only)
- 1024x768 256 colors (CRT display only)
-
- Resolution and Colors Supported in WIN-OS/2 Full-Screen Session
- ---------------------------------------------------------------
- 640x480 256 colors (CRT/Panel/SimulSCAN display)
- 800x600 256 colors (CRT display and 8x6 TFT/DSTN panel only)
- 1024x768 256 colors (CRT display only)
- 1280x1024 256 colors (CRT display and 2M video memory)
-
-
- How to Install OS/2 Desktop Driver & WIN-OS/2 Full-Screen Session
- -----------------------------------------------------------------
-
- 1. Make sure the 7543 OS/2 Driver disk is labeled "DISP" by using DOS
- Label command (C:\DOS\LABEL A: or B:).
- 2. Install OS/2 v2.1 (if not already installed) and select "VGA" as the
- primary display adapter during installation. Do not select "Cirrus Logic"
- because it currently only suppports Cirrus Logic desktop products.
- 3. Insert the Cirrus Logic 7543 OS/2 Driver disk into the floppy drive.
- 4. Open an OS/2 Full-Screen session.
- 5. Change the prompt to the floppy drive which contains the driver disk.
- 6. Invoke the OS/2 batch file CLINST21.CMD using OS/2 boot drive, without
- a colon, as the parameter ([A:\]CLINST21 C).
- 7. Select the primary display type and "Cirrus Logic 7543 Panel/CRT driver".
- 8. If you plan to start out on Panel or SimulSCAN display, choose 640x480
- resolution or 800x600 only if the panel supports SVGA.
- 9. Follow the applicable directions as they appear on screen.
-
-
- How to Change Resolution & Colors in OS/2 Desktop
- -------------------------------------------------
- Follow steps 3-9 above
-
- How to Change Screen Refresh Rates in OS/2 Desktop
- --------------------------------------------------
-
- 1. During the driver installation process the Monitor Configuration/
- Selection Utility dialog box will appear and display the following
- choices:
- (1) Default Monitor Type - this choice will use the monitor default
- settings.
- (2) Display Adapter Utility Program - with the aid of an application
- program such as CLMODE.EXE, this choice allows the user to set various
- screen refresh rates on all resolutions supported by their monitor.
- A dialog box will appear asking for the location and name of
- the utility program.
-
- For example:
- c:\vgautils\clmode.exe t640=75 t800=70 t1024=72 t1280=87
-
- CLMODE.EXE comes with the DOS Drivers Disk
- The new settings will be saved to the BIOS and OS/2 will invoke
- SVGA.EXE to create a new SVGADATA.PMI file. The .PMI file will contain
- the screen refresh rates chosen from the utility program.
-
- How to Change Resolution & Colors in WIN-OS/2 Full-Screen Session
- -----------------------------------------------------------------
- If you are running OS/2 2.1:
-
- 1. Open Win-OS/2 Full-Screen session.
- 2. Select File from drop-down menu in Windows Program Manager.
- 3. Insert the GD7543 Windows Driver disk into A: or B: and run
- INSTALL.EXE.
- 4. At the end of the installation, a VGAUTIL group will be created and the
- WinMode utility will pop up. Make sure you click the "OS/2-Windows"
- option in the Operating System group in WinMode if it is not already
- selected. The other choices in WinMode is up to user's preference.
-
- If you are running OS/2 2.1 for Windows:
-
- 1. If you have already installed the WinMode utility from the Windows
- driver disk v1.00, make sure you select "OS/2-Windows" option if not
- already set. You can change color/resolution just like you do it in
- pure Windows environment.
- 2. If you haven't installed the GD7543 Windows Drivers previously, follow
- the steps listed in "If you are running OS/2 2.1" section above.
-
- Special Case when running OS/2 2.1 for Windows
- ----------------------------------------------
- If you are running OS/2 2.1 for Windows and have installed the Cirrus
- Logic OS/2 drivers and wish to switch between OS/2 and Windows running
- under DOS, the following changes must be made.
-
- Return to Windows running under DOS from OS/2:
-
- 1. Boot to DOS from OS/2 Desktop (click Dual-boot icon).
- 2. Bring up Windows and click on WinMode (utility that comes with GD7543
- Windows Driver Disk and need to run Install from that diskette to copy
- it over).
- 3. Select "DOS-Windows" option in the Operating System group in WinMode
- if it is not already selected.
- 4. If you are not using WinMode (highly recommended), open the
- WINDOWS\SYSTEM.INI and delete the line "OS2vers=21" in [CLVGA]
- session if it exists.
-
- Return to OS/2 from Windows running under DOS:
-
- 1. Before you boot to OS/2 (boot /os2) from DOS, bring up Windows and
- click on WinMode (utility that comes with GD7543 Windows Driver Disk
- and need to run Install from that diskette to copy it over).
- 2. Select "OS/2-Windows" option in the Operating System group in WinMode
- if it is not already selected.
- 3. If you are not using WinMode (highly recommended), open the
- WINDOWS\SYSTEM.INI and add the line "OS2vers=21" in [CLVGA]
- session if it does not exist.
- 4. Then boot to OS/2 (boot /os2).
-
-
- Outstanding OS/2 v2.1x 754x Driver Issues:
- ------------------------------------------
-
- -A vertical line will randomly appear about 2 inches from the left or right
- edge of the screen when using the Enhanced Text Editor from the
- Productivity folder.
-
- -The color of an OS/2 desktop bitmapped background gets corrupted after
- using the Enhanced Editor from the Productivity folder. This problem
- happens randomly & is not easily reproduced.
-
- -The OS/2 desktop gets corrupted when dragging and dropping the File
- Manager window around the PM desktop.
-
- -The Win-OS/2 desktop will get corrupted when moving the System Clock
- window around. Also, opening the File Manager then scrolling through
- the files will cause the text to get corrupted.
-
- -Hot-key display switching in DSTN panel shows yellow screen in panel.
-