PORTIBM PC Portable (uses same BIOS as XT) 015C-015D - Dell Enhanced Parallel Port
SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 002Eh,PORTIBM PC Portable (uses same BIOS as XT) 026Eh,PORTIBM PC Portable (uses same BIOS as XT) 0398h

015C  -W  index for data port
015D  RW  EPP command data