Appendixa glossary of terms, Appendix a, glossary of terms, Appendix a – LSI 320 User Manual

Page 41: Glossary of terms, Appendix a glossary of terms

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Ultra320 SCSI to PCI-X Host Adapters

A-1

Copyright © 2002 by LSI Logic Corporation. All rights reserved.

Appendix A
Glossary of Terms

Active
Termination

The electrical connection required at each end of the SCSI bus,
composed of active voltage regulation and a set of termination resistors.
Ultra SCSI, Ultra2 SCSI, Ultra160 SCSI, and Ultra320 SCSI require
active termination.

BIOS

Basic Input/Output System. Software that provides basic read/write
capability. Usually kept as firmware (ROM based). The system BIOS on
the mainboard of a computer is used to boot and control the system. The
SCSI BIOS on the host adapter acts as an extension of the system
BIOS.

Configuration

Refers to the way a computer is set up; the combined hardware
components (computer, monitor, keyboard, and peripheral devices) that
make up a computer system; or the software settings that allow the
hardware components to communicate with each other.

Device Driver

A program that allows a microprocessor (through the operating system)
to direct the operation of a peripheral device, such as a disk drive.

Domain
Validation

A software procedure in which a host queries a device to determine its
ability to communicate at the negotiated data rate.

EEPROM

Electronically Erasable Programmable Read Only Memory. A memory
chip typically used to store configuration information.

External SCSI
Device

A SCSI device installed outside the computer cabinet. These devices are
connected together using specific types of shielded cables.

Fusion-MPT
Architecture

Fusion-MPT (Message Passing Technology) architecture consists of
several main elements: Fusion-MPT firmware, the Fibre Channel and
SCSI hardware, and the operating system level drivers that support these
architectures. Fusion-MPT architecture offers a single binary, operating
system driver that supports both Fibre Channel and SCSI devices.

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