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Appendix C Glossary of Terms 49
L
M
N
Narrow SCSI device (as opposed to Wide SCSI device)
This is the term attributed to today’s 8 bit standard SCSI devices.
This term is necessary to distinguish today’s 8-bit SCSI devices
to 16-bit Wide SCSI devices.
O
P
PIO (Programmed Input/Output)
A method of data transfer in which the host microprocessor
transfers data to and from memory via the computer’s I/O ports.
PIO enables very fast data transfer rates, especially in single-
tasking operating systems like DOS.