H133588 - ATI Video Driver Installation Fails in OS/2 WARP SYMPTOM: The video device driver for the ATI MACH32 ISA Video Adapter may fail to load in OS/2 WARP on a PC 300 or 700 Series system. PROBLEM ISOLATION AIDS: The ATI MACH32 ISA Video adapter is configured to use I/O address 2E8 which conflicts with the I/O address for COM4. FIX: Modify the OS/2 WARP CONFIG.SYS file as indicated below: Change "DEVICE=C:\OS2\BOOT\COM.SYS" to "DEVICE=C:\OS2\BOOT\COM.SYS (1,3F8,4) (2,2F8,3)" REM out "DEVICE=C:\OS2\MDOS\VCOM.SYS" If the error persists, continue normal problem determination procedures. ATI MACH32 is a trademark of ATI Technologies Inc.