Here's my config.sys and autoexc.bat. I didn't mention this before, but the boot disk i use is a Wndows 98 one, not a DOS 6.22, so HIMEM.SYS and EMM386.EXE are also Windows 98 versions. If your boot disk is MS-DOS 6.x based, it might worth trying a Windows 98 version to utilise the new EMM386...