DOCUMENT:Q122387 08-AUG-2001 [winnt] TITLE :ATI Video Fails with Adaptec 2940 SCSI Adapter on PCI Bus PRODUCT :Microsoft Windows NT PROD/VER: OPER/SYS: KEYWORDS: ====================================================================== 3.50 3.51 WINDOWS kb3rdparty kbhw ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Workstation versions 3.5, 3.51 - Microsoft Windows NT Server versions 3.5, 3.51 ------------------------------------------------------------------------------- SYMPTOMS ======== If a Windows NT computer has an ATI video adapter and an Adaptec 2940 SCSI controller on a PCI bus, you may experience the following behavior depending on which ATI video driver is installed: Video Driver Behavior --------------------------------------------------------------------- ATI Mach 64 GX When you select the Display icon in Control Panel, the following error message appears: WARNING: The Application got invalid data from the display driver. You used the down level graphic adapter driver. Contact the manufacturer for the current one. ATI Graphics The system intermittently stops responding (hangs) or Pro Turbo displays garbled output at the logon screen. ATI Mach64 PCI The system hangs when you attempt to copy several large files (totaling several megabytes). RESOLUTION ========== To correct these problems, do one of the following: - Switch PCI expansion slot locations for the ATI video adapter and the Adaptec 2940 SCSI controller. - Contact Adaptec technical support at (800) 959-7274 for the latest ROM BIOS for the Adaptec 2940 SCSI controller (dated April 1994 or later). - Contact ATI Technical Support at (905) 882-2626 to verify that you have the latest ATI chip set number on the video card. ATI has reported that there are problems with video cards within a certain range of chip set numbers. The products discussed here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability. Additional query words: prodnt aha 3rdparty ====================================================================== Keywords : Technology : kbWinNTsearch kbWinNTWsearch kbWinNT351search kbWinNT350search kbWinNTW350 kbWinNTW350search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS351 kbWinNTS350 kbWinNTS351search kbWinNTS350search ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.