Hard disk drive definitions

A-cable
AAM
Access arm
Access light
Active partition
Actuator
ADSM
Allocation unit
Anti vibration mount
AT attachment packet interface
ATAPI

BIT
Bad sector
Block
Boot partition
BPB
Bus mastering
Byte

C:
Cable select
Capacity
CHS
Cluster
Contiguous
Cross-linked files
Current drive
Cylinder

Daisy chain
DASD
Data buffer
DDO
Deceleration time
Defragmentation
Direct access
Disk
Disk access time
Disk Drive Overlay
Disk capacity
Disk controller
Disk crash
Disk density
Disk drive
Disk driver
Disk duplexing
Disk optimizer
Disk partition
Disk partition table
Disk platter
Disk thrashing
DOS partition
DriveTrust
DS

EB
ECHS
EIDE
Exabyte
Extended partition
External storage

FAT
FAT12
FAT16
FAT32
FDISK
FFS
File size
Fixed disk
Fixed storage
Floating defects
FM
FNR
Format
Fsck

GB
Gigabyte

Hard disk
Hard drive
Head
Head positioning
Head switching
High-level format
Housekeeping

IDC
IDE
Index mark
Index track
Interblock gap
Interleave
Interrecord gap
IRG

Jump drive

Keyed
Kilobit
Kilobyte

LBA
Low-level format
Lzone

Mass storage
Master
Master Boot Record
MB
MBR
Media
Megabit
Megabyte
MFM encoding

NON-DOS partition
NTFS

Park
Partition
Permanent storage
PIO
PK
Platter
Preformatted
Primary partition

RAID
RAM disk
RAMAC
Redundant Array of Inexpensive Disks
Removable hard drive
Ribbon cable
Rigid disk
RLL encoding
RPM

SATA
SCSI
Secondary storage device
Sector
Seek time
Selector channel
Self-Monitoring Analysis and Reporting Technology
Servo motor
Settling time
Slave
Soft-sectored disk
Source data disk
Step motor
Storage
Storage devices
Store
Super block
System partition

TB
Terabyte
Thrashing
TPI
Track

UDMA
Unpark

Voice coil
Volume label
Volume name

Winchester disk
Wpcomp
Write Precomp

ZBR
Zoned recording