OSVIM6CH - SYS3175 IN CCHUSER.DLL AFTER INSTALLATION OF OS/2 WARP 4
01/21/97

=======================================================================
         SYS3175 in CCHUSER.DLL after Installation of OS/2 Warp 4
=======================================================================

Please Read Entire Document for Full Explanation of Procedures
--------------------------------------------------------------

DESCRIPTION

After installation of OS/2 Warp 4, a SYS3175 in CCHUSER.DLL occurs 
about 5 minutes after startup. The register information is as follows:

   Access violation at 1e80205d       
   CCHUSER.DLL 0001:0000205d
   P1 =00000001 P2 =006c7498 P3 =xxxxxxxx P4 =xxxxxxxx 
   EAX=006c7498 EBX=0067c930 ECX=00000000 EDX=ffff0201 
   ESI=00000000 EDI=0067c930 
   DS=0053  DSACC=d0f3  DSLIM=1fffffff
   ES=0053  ESACC=d0f3  ESLIM=1fffffff
   FS=1506  FSACC=00f3  FSLIM=00000030
   GS=0000  GSACC=****  GSLIM=********
   CS:EIP=0056:1e80205d CSACC=d0df  CSLIM=1fffffff 
   SS:EIP=0053:002d6d54 SSACC=d0f3  SSLIM=1fffffff
   EBP=002d6d64 FLG=00012246

This problem occurs on a system with an ATI MACH 64 graphics adapter.

RESOLUTION

1. Reset the video resolution to VGA mode, as follows:

    a. Restart the system, and press Alt-F1 when the small white
       rectangle appears in the upper left corner of the screen.

    b. Press F3 to reset the primary video display to VGA.

2. Obtain the latest driver for the ATI MACH 64 video adapter,
   from the following World Wide Web site:

   http://www.atitech.ca/drivers/drivers.html

   As of 5 November, 1996, the file 64OS2222.ZIP contains the current
   OS/2 drivers for the following ATI MACH 64 video adapters:

   * 3D Xpression
   * Video Xpression
   * Graphics Pro Turbo
   * Graphics Xpression
   * WinTurbo
   * WinBoost
   * Other MACH 64 adapters

   Note: You will also need LOAD64.ZIP for the installation,
         and 64OS2222.TXT for installation instructions.
         
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.