PORTIBM PC Portable (uses same BIOS as XT) 2714 - QUAD EMS+ - "QEMS_BOARD4" - ??? 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) 2715h