PORTIBM PC Portable (uses same BIOS as XT) 2C00-2CBF - Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 2 SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 0340h-035Fh"Adaptec AHA-154x",PORTIBM PC Portable (uses same BIOS as XT) xxxxh"Adaptec AIC-78xx"