PORTIBM PC Portable (uses same BIOS as XT) 07BC-07BE - Intel 82091AA - ECP-mode PARALLEL PORTIBM PC Portable (uses same BIOS as XT)
SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 03BCh,PORTIBM PC Portable (uses same BIOS as XT) 0678h,PORTIBM PC Portable (uses same BIOS as XT) 0778h

03BC  RW  (when ECR bits 7-5=011) ECP Address/RLE FIFO (see #P0917)
	(this is the same address normally used for parallel port data)
07BC  RW  (when ECR bits 7-5=010) standard parallel port data FIFO (see #P0918)
07BC  RW  (when ECR bits 7-5=011) ECP data FIFO (see #P0919)
07BC  RW  (when ECR bits 7-5=110) test FIFO (see #P0920)
07BC  RW  (when ECR bits 7-5=111) ECP configuration A (see #P0921)
07BD  RW  (when ECR bits 7-5=111) ECP configuration B (see #P0922)
07BE  RW  extended control register (ECR) (see #P0923)