PORTIBM PC Portable (uses same BIOS as XT) 0378-037A - PARALLEL PRINTER PORTIBM PC Portable (uses same BIOS as XT) (usually LPT2, sometimes LPT3) Range: usually PORTIBM PC Portable (uses same BIOS as XT) 03BCh, PORTIBM PC Portable (uses same BIOS as XT) 0278h, or PORTIBM PC Portable (uses same BIOS as XT) 0378h SeeAlso: MEM 0040h:000Ah,INT 17/AH=00h 0378 -W data port 0379 R- status port (see #P0658 at PORTIBM PC Portable (uses same BIOS as XT) 03BCh) 037A RW control port (see #P0659 at PORTIBM PC Portable (uses same BIOS as XT) 03BCh) 037B ?? bit 7: shadow RAM(Random Access Memory) See also DRAM, SRAM. on/off (UniRAM adapter,according to c't 7/90)