PORTIBM PC Portable (uses same BIOS as XT) 2715 - QUAD EMS+ - "QEMS_BOARD5" - ??? SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 05FBh"QUAD",PORTIBM PC Portable (uses same BIOS as XT) 2315h,PORTIBM PC Portable (uses same BIOS as XT) 2714h,PORTIBM PC Portable (uses same BIOS as XT) 2716h