IBM MegaRAID 8480 Appendix A Glossary of Terms and Abbreviations, active, termination, array

Appendix A

Glossary of Terms

and Abbreviations

active	The electrical connection required at each end of the SCSI bus,
termination	composed of active voltage regulation and a set of termination resistors.
array	An array of disk drives combines the storage space on the disk drives
	into a single segment of storage space. A hot spare drive does not
	actively participate in an array.
BIOS	Acronym for 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 boots and controls the system.
	The BIOS on your 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

domain validation

EEPROM

external SAS device

Fusion-MPT architecture

A program that allows a microprocessor (through the operating system) to direct the operation of a peripheral device.

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

Acronym for Electronically Erasable Programmable Read-Only Memory. It is a memory chip that typically stores configuration information, as it provides stable storage for long periods without electricity and can be reprogrammed. Refer to NVRAM.

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

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

MegaRAID 8480 Storage Adapter User’s Guide A-1

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