520

Acronym for read-only memory. Your computer contains some programs es- sential to its operation in ROM code. Unlike RAM, a ROM chip retains its contents even after you turn off your com- puter. Examples of code in ROM include the program that initiates your computer’s boot routine and the POST.

USP

Abbreviation for revolutions per minute.

57&

Abbreviation for real-time clock. Battery- powered clock circuitry inside the com- puter that keeps the date and time after you turn off the computer.

6&6,

Acronym for small computer system in- terface. An I/O bus interface with faster data transmission rates than standard ports. You can connect up to seven devic- es to one SCSI interface.

6'06

Abbreviation for SCSI device management system.

6'5$0

Abbreviation for Synchronous Dynamic Random Access Memory.

6'6

Abbreviation for scalable disk system.

6(&

Abbreviation for single-edge connector cartridge.

VHF

Abbreviation for second(s).

VHFWRU

The fundamental unit of data access for a hard-disk drive. For PC-compatible sys- tems, a sector is usually 512 bytes. See also block and block size.

VHULDO￿FRQVROH

An ASCII or ANSI terminal attached to a filer’s serial port. Used to monitor and manage filer operations.

VHULDO￿SRUW

An I/O port used most often to connect a modem or a mouse to your computer. You can usually identify a serial port on your computer by its 9-pin connector.

VKDGRZLQJ

A computer’s system and video BIOS code is usually stored on ROM chips. Shadowing refers to the performance- enhancement technique that copies BIOS code to faster RAM chips in the upper memory area (above 640 KB) during the boot routine.

VKDUH

A directory or directory structure on the filer that has been made available to net- work users and can be mapped to a drive letter on a CIFS client.

60$57

Acronym for Self-Monitoring Analysis Re- porting Technology. A technology that allows hard-disk drives to report errors and failures to the system BIOS, which then displays an error message on the screen. To take advantage of this technol- ogy, you must have a SMART-compliant hard-disk drive and the proper support in the system BIOS.

60%

Acronym for system management bus.

600

Abbreviation for server monitor module. An ISA expansion card that provides a mo- dem interface for out-of-band monitoring and control of a server.

603

Abbreviation for symmetric mutiprocessing.

606

Abbreviation for Systems Management Server.

6103

Abbreviation for Simple Network Man- agement Protocol.

Glossary 15

Page 119
Image 119
Dell 2385P, 720N, 740N, 760N manual Usp, Vhfwru, Vhuldofrqvroh, Vhuldosruw, Vkdgrzlqj, Vkduh