Atari ACSI (hard disk interface)

E217425

The Atari ACSI (Atari Computer System Interface) is a proprietary hard disk interface used on Atari ST computers, derived from and largely compatible with the SCSI standard for connecting external storage devices.

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All labels observed (2)

Statements (44)

Predicate Object
instanceOf computer hardware interface
storage interface
abbreviationOf Atari ACSI (hard disk interface) self-linksurface differs
surface form: Atari Computer System Interface
addressing limited number of device IDs compared to full SCSI
alsoKnownAs Atari DMA port interface
busWidth 8-bit
category Atari ST
surface form: Atari ST hardware

computer storage buses
legacy computer interfaces
compatibilityType largely compatible with SCSI at command level
compatibleWith SCSI
connectionLocation external DMA port on Atari ST-family computers
connectionMethod daisy-chain of external devices via ACSI-to-SCSI adapters
dataTransferMode parallel
derivedFromStandard SCSI
designedFor Atari TOS
surface form: Atari ST operating system TOS
developer Atari, Inc.
surface form: Atari Corporation
distinctionFromSCSI uses Atari-specific DMA controller instead of generic SCSI host adapter
uses different physical connector than standard SCSI
documentation described in Atari ST developer documentation and hardware reference manuals
era 1980s home computer era
fullName Atari ACSI (hard disk interface) self-linksurface differs
surface form: Atari Computer System Interface
historicalSignificance enabled affordable hard disk support on Atari ST computers
interfaceType external storage interface
hard disk interface
introducedWithProductLine Atari ST
surface form: Atari 520ST
manufacturer Atari, Inc.
surface form: Atari Corporation
ownership proprietary to Atari
primaryUse connecting external hard disk drives
connecting external storage devices
protocolLayer Atari-specific DMA protocol over SCSI-like command set
requires ACSI host adapter for standard SCSI devices
roleInSystem mass storage expansion interface
signalLevel TTL-level parallel signals
supportsDeviceType CD-ROM drive
hard disk drive
tape drive
typicalDataRate lower than contemporary full SCSI implementations
usedOnPlatform Atari Falcon
surface form: Atari Falcon030

Atari ST
surface form: Atari Mega ST

Atari ST
surface form: Atari Mega STE

Atari ST
Atari ST
surface form: Atari STE

Atari TT030

Referenced by (3)

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

Atari ST bus Atari ACSI (hard disk interface)
Atari ACSI (hard disk interface) fullName Atari ACSI (hard disk interface) self-linksurface differs
subject surface form: Atari ACSI
this entity surface form: Atari Computer System Interface
Atari ACSI (hard disk interface) abbreviationOf Atari ACSI (hard disk interface) self-linksurface differs
subject surface form: Atari ACSI
this entity surface form: Atari Computer System Interface