ATA-4

E209471

ATA-4 is a version of the ATA (IDE) interface standard that introduced Ultra DMA modes to significantly increase data transfer speeds for parallel hard drives and optical drives.

All labels observed (3)

Label Occurrences
ATA-4 canonical 2
AT Attachment-4 1
ATA/ATAPI-4 1

How this entity was disambiguated

Statements (42)

Predicate Object
instanceOf ATA standard
IDE interface specification
computer hardware interface standard
alsoKnownAs AT Attachment-4
linked to: ATA-4

ATA/ATAPI-4
linked to: ATA-4

Ultra DMA/33
linked to: Parallel ATA
appliesTo CD-ROM drives
DVD-ROM drives
parallel ATA hard disk drives
parallel ATA optical drives
backwardCompatibleWith ATA-3
earlier ATA devices
category storage interface standard
connectorType 40-pin parallel ATA connector
dataBusWidth 16-bit
defines Ultra DMA modes
cable requirements for Ultra DMA/33
electrical characteristics for Ultra DMA
timing specifications for Ultra DMA
goal increase data transfer speed of ATA devices
maintain backward compatibility with earlier ATA standards
improvesUpon PIO modes performance
multiword DMA modes performance
includes ATAPI-4 packet interface
interfaceType parallel ATA
linked to: Parallel ATA
introduces Ultra DMA transfer modes
linked to: Parallel ATA
maximumTransferRate 33 MB/s
partOf ATA family of standards
predecessor ATA-3
standardizedBy ANSI
INCITS
standardNumber ANSI INCITS 317-1998
successor ATA-5
supports 48-bit addressing for larger drives
S.M.A.R.T. features
Ultra DMA mode 0
Ultra DMA mode 1
Ultra DMA mode 2
logical block addressing (LBA)
usedIn consumer PCs of the late 1990s
desktop computers
workstations

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

ATA-4 alsoKnownAs ATA/ATAPI-4
linked to: ATA-4
ATA-4 alsoKnownAs AT Attachment-4
linked to: ATA-4