Data storage abbreviations
WHAT DO ALL THOSE LETTERS MEAN?

ABLE: Adaptive Battery Life Extender
AFC: AntiFerromagnetic-Coupled
AGC: Automatic Gain Control
AIT: Advanced Intelligent Tape
AME: Advanced Metal Evaporated
AMP: Advanced Metal Particle
ASA: Advanced SCSI Architecture
ATA: AT Attachment
ATAPI: AT Attachment Packet Interface
ATL: Automated Tape Library
ATM: Asynchronous Tranfer Mode
ATOMM: Advanced super Thin-layer and high-Output Metal Media
BPI: Bit Per Inch
CAV: Constant Angular Velocity
CCS: Continuous Composite Servo
CD-E: Compact Disk Erasable
CD-I: Compact Disk Interactive
CD-R: Compact Disk Recordable
CD-ROM: Compact Disk Read-Only Memory
CD-RW: Compact Disk ReWritable
CD-XA: Compact Disk eXtended Architecture
CD-WORM: Compact Disk Write Once Read Many
CIS: Card Information Structure
CKD: Count-Key-Data
CLV: Constant Linear Velocity
CRC: Cyclic Redundancy Check
CRU: Customer Replaceable Unit
CSS: Contact Start Stop
DAT: Digital Audio Tape
DASD: Direct Access Storage Device
DDS: Digital Data Storage
DLC: Diamond Like Carbon
DLT: Digital Linear Tape
DMA: Direct Memory Access
DRAW: Direct Read After Write
DSMR: Dual Stripe Magneto-Resistive
DSP: Digital Signal Processor
DTDS: Disaster Tolerant Disk System
DVD: Digital Versatile (or Video) Disc
DVD-R: DVD Recordable
DVD-RAM: DVD Random Access Memory (rewritable)
DVD-ROM: DVD Read-Only-Memory
DVD-RW: DVD ReWritable
DVD+RW: DVD ReWritable
ECC: Error Correction Code
ECMA: European Computer Manufacturers Association
EDC: Error Detection Code
EEPROM: Electronically-Erasable Programmable Read-Only Memory
EEZ: Early Exit from Landing Zone
EIDE: Enhanced IDE
ESCON: Enterprise System CONnectivity
ESDI: Enhanced Small Device Interface
ESRM: Enterprise Storage Resource Management.
FAT: File Allocation Table
FBA: Fixed-Block Architecture
FC: Fiber Channel
FC-AL: Fiber Channel-Arbitrated Loop
FCI: Flux Change per Inch
FCP: Fibre Channel Protocol
FD: Floppy Disk
FDD: Floppy Disk Drive
FDDI: Fiber Distributed Data Interface.
FICON: Fiber Channel CONnectivity
FRAM: Ferroelectric Random Access Memory
FRDS: Failure Resistant Disk System
FRU: Field Replacement Unit
FTDS: Failure Tolerant Disk System
FTP: File Transfer Protocol
FTPI: Flux Transition Per Inch
Gb: Gigabit
GB: Gigabyte
GCR: Group Code Recording
GMR: Giant Magnetoresistive Head
HBA: Host Bus Adapter
HDA: Head-Disk Assembly
HD: Hard Disk
HDD: Hard Disk Drive
HGA: Head Gimbal Assembly
HiPPI: High Performance Parallel Interface
HSA: Head Stack Assembly
HSM: Hierarchical Storage Management
HVD: High Voltage Differential
IDE: Intelligent/Integrated Device/Drive Electronics
IDEMA: International Disk Drive Equipment and Materials Association
I/O: Input/Output
I20: Intelligent Input/Output
ILS: Integrated Lead Suspension
IPI: Intelligent Peripheral Interface
IRQ: Interrupt Request
ISA: Industry Standard Architecture
ISO: International Standards Organization
ISV: Independant Software Vendor
JBOD: Just a Bunch Of Disks
JEIDA: Japan Electronics Industry Development Association
Kb: Kilobit
KB: KiloByte
LBA: Logical Block Addressing
LDM: Logical Disk Manager
LED: Light-Emmitting Diode
LTO: Linear Tape Open
LUN: Logical Unit Number
LVD: Low Voltage Differential
Mb: Megabit
MB: MegaByte
MCBF: Mean Cycle Between Failures
MEMS: Micro Electrical Mechanical Systems
MFM: Multiple Frequency Modulation
MIC: Memory In Cassette
MIG: Metal in Gap
MO: Magneto-Optical
MR: Magneto-Resistive
MRAM: Magnetic Random-Access Memory
MSBF: Mean Swap Between Failures
MTBF: Mean Time Between Failures
MTDA: Mean Time until loss of DAta
MTDL: Mean Time until Data Loss
MTTR: Mean Time To Repair
MRX: MagnetoResistive eXtended head
NAS: Network-Attached Storage
NCTP: Next Compatible Tape Product
NMDP: Network Data Management Protocol
NRZ: Non-Return-to-Zero
NFR: Near Field Recording
ODD: Optical Digital Disk
OEM: Original Equipment Manufacturer
O-ROM: Optical-Read Only Memory
OOD: Object Oriented Device
OSTA: Optical Storage Technology Association
P-ROM: Partial-Read Only Memory
PB: PetaByte
PCB: Printed Circuit Board
PCBA: Printed Circuit Board Assembly
PCI: Peripheral Component Interconnect
PCM: Plug-Compatible Manufacturer or Pulse Code Modulation
PCMCIA: Personal Computer Memory Card International Association
PE: Phase Encoding
PFA: Predictive Failure Analysis
PIO: Programmed Input/Output
POH: Power On Hours
POR: Power On Reset
PRDF: PRML with Digital Filter
PRML: Partial Response Maximum Likelihood
PVR: Personal Video Recorder
QIC: Quarter-Inch Cartridge
RAID: Redundant Array of Inexpensive Disks
RAIT: Redundant Array of Independent Tape drive
RAM: Random Access Memory
RLL: Run Length Limited
RPM: Revolutions Per Minute
SAN: Storage Area Networks
SAS: SAN Attached Storage
SASI: Shugart Associates Standard Interface
SCA: Single Connector Attachment
SCSI: Small Computer Systems Interface
SDX: Storage Data aCCeleration
SLED: Single Large Expensive Disk
SMART: Self Monitoring, Analysis and Reporting Technology
SMD: Small Module Device
SN: Storage Networks
SNR: Signal-to-Noise Ratio
SSA: Serial Storage Architecture
SSD: Solid State Disk
SSP: Storage Service Provider
Tb: Terabit
TB: TeraByte
TFI: Thin-Film Inductive
TPI: Track Per Inch
UDMA: Ultra Direct Memory Access
USB: Universal Serial Bus
VI: Virtual Interface
VCM: Voice Coil Motor
VOD: Video On Demand
WORM: Write Once Read Many
ZBR: Zone Bit Recording
ZCAV: Zone Constant Angular Velocity