Fujitsu MHV2120AT manual Acronyms and Abbreviations, Css

Page 31

Acronyms and Abbreviations

 

A

ABRT

Aborted command

AC

Alternating current

AIC

Automatic idle control

AMNF

Address mark not found

ATA

AT attachment

AWG

American Wire Gauge

 

B

BBK

Bad block detected

BIOS

Basic input-output system

 

C

CORR

Corrected data

CH

Cylinder high register

CL

Cylinder low register

CM

Command register

CMOS

Complementary

 

metal-oxide semiconductor

CSR

Current sense register

CSS

Contact start/stop

CY

Cylinder register

 

D

dBA

dB A-scale weighting

DC

Direct current

DE

Disk enclosure

DH

Device/head register

DRDY

Drive ready

DRQ

Data request bit

DSC

Drive seek complete

DWF

Drive write fault

 

E

ECC

Error checking and correction

ER

Error register

ERR

Error

 

F

FR

Features register

 

G

GB

Giga byte

 

H

HA

Host adapter

HDD

Hard disk drive

 

I

IDNF

ID not found

IRQ14

Interrupt request 14

 

L

LED

Light emitting diode

 

M

MB

Mega-byte

MB/s

Mega-byte per seconds

MPU

Micro processor unit

MTBF

Mean time between failures

MTTR

Mean time to repair

 

O

OEM

Original equipment manufacture

 

P

PCA

Printed circuit assembly

PIO

Programmed input-output

P/N

Parts number

 

R

RLL

Run-length-limited

 

S

SA

System area

SC

Sector count register

SG

Signal ground

SN

Sector number register

ST

Status register

S/N

Serial number

 

T

TPI

Tracks per inches

TR0NF

Track 0 not found

Typ

Typical

C141-F072

AB-1

Image 31
Contents MHV2120AT, MHV2100AT, MHV2080AT MHV2060AT, MHV2040AT Disk Drive Maintenance ManualHandling of This Manual For Safe OperationRevision History This page is intentionally left blank Overview of Manual PrefaceConventions for Alert Messages Liability Exception Operating EnvironmentImportant Alert Messages Important Alert ItemsStatic, Damage Data corruption Device damageDamage or Device damage This page is intentionally left blank Manual Organization Disk Drive Maintenance ManualThis page is intentionally left blank Contents Tables IllustrationsMaintenance and Diagnosis Rules for maintenance MaintenanceMaintenance requirements Data corruption Maintenance levels Disk drive revision number label Disk drive revision numberDisplay of disk drive revision number Tools and test equipment Self-diagnosticsTest Test flowchart Operation test Status register contentsDisposition for error register contents Operation ConfirmationTroubleshooting disk drive replaced in field Troubleshooting ProcedureDiagnostic test Troubleshooting procedureMHV2040AT Disk Drives Product Manual for switch setting System level and field troubleshootingTroubleshooting at factory This page is intentionally left blank Removal and Replacement Procedure Disk Drive Removal Spare PartsModel and parts numbers CSS Acronyms and AbbreviationsAcronyms and Abbreviations Index Index READER’S Comment Form This page is intentionally left blank C141-F072-01EN MHV2120AT, MHV2100AT, MHV2080AT, MHV2060AT, MHV2040ATThis page is intentionally left blank
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