IO
     CON
     AUX
     PRN
     CLOCK$
     COM1
     LPT1
     LPT2
     LPT3
     COM2
     COM3
     COM4

 MSDOS

 IO
   KBD
   HIMEM
     XMSXXXX0




 COMMAND
 MSDOS
 COMMAND
 DOSX
 MEM
 MEM
 MSDOS
 SYSTEM

 MSDOS
 MSCDEXNT
 DOSX
 VWIPXSPX
 MSDOS
 SYSTEM

 IO
   MOUSE
 REDIR
 NW16
 MSDOS