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1997-02-21
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OSVIATWN - DISTORTED WIN-OS2 FULL SCREEN SESSIONS WITH ATI MACH 64
UNDER OS/2 WARP 4
10/14/96
=======================================================================
Distorted WIN-OS2 Full Screen sessions with ATI Mach 64 under
OS/2 Warp 4
=======================================================================
Please Read Entire Document for Full Explanation of Procedures
--------------------------------------------------------------
DESCRIPTION
When using an ATI Mach 64 video card, WIN-OS/2 Full Screen sessions
appear fuzzy or distorted. However, WIN-OS/2 Window sessions appear
fine.
This occurs because WIN-OS/2 full screen sessions use the video
settings listed in the SYSTEM.INI file; windowed sessions do not.
RESOLUTION
To correct this blocking problem:
1. Open a WIN-OS/2 Window session.
2. Select File, then Run.
3. Type SYSEDIT, then press OK.
4. In the \OS2\MDOS\WINOS2\SYSTEM.INI file, look for the [mach] section.
Add the line BLOCKSIZE=OFF to this section.
5. Save the file and exit the System Configuration Editor window.
6. Close the WIN-OS/2 Window session.
warp4
______________________________________________________________________
IBM disclaims all warranties, whether express or implied, including
without limitation, warranties of fitness and merchantability with
respect to the information in this document. By furnishing this
document, IBM grants no licenses to any related patents or copyrights.
Copyright (c) 1994, 1995 IBM Corporation. Any trademarks and product
or brand names referenced in this document are the property of their
respective owners. Consult your product manuals for complete trademark
information.