windows 3.0 standard mode on AT&T pc6300 plus ???

[MooneyEJ]

I would like to know if anyone has been able to get WINDOWS 3.0 to run
on a AT&T pc6300plus in standard mode. I can get himem.sys to load and install
the A20 handler number 5 (i.e. for the 6300plus). When windows is executed
only the logo screen comes up, then the system hangs. Only a hard reset will
bring it back. The autoexec and config have been trimmed to the minimum
needed for WINDOWS only.