I run FreeDOS 1.0 on a Pentium 1. When I attempted to access the A-drive (3.5
floppy) by typing 'A:' at the command prompt with the drive empty, I got the
message 'Abort, Retry, Ignore, Fail', which I expected, but another message
also appeared: 'Invalid Opcode at 0156 105C 4046 105C 4002
fdconfig.sys:
!COUNTRY=001,437,C:\FDOS\BIN\COUNTRY.SYS
!SET lang=EN
!LASTDRIVE=Z
!BUFFERS=20
!FILES=40
!DOS=HIGH,UMB
!DOSDATA=UMB
!set dircmd=/ogn /4
!MENUCOLOR=7,0
MENUDEFAULT=3,0
MENU 1 - Load FreeDOS with EMM386, no EMS (most UMBs), max RAM free
MENU 2 - Load FreeDOS with EMM386+EMS and
