OCS

E607154

Amiga custom chipset audio and I/O chip computer chipset custom chip graphics and sound chipset

OCS (Original Chip Set) is the first-generation custom graphics and sound chipset used in early Commodore Amiga computers, providing advanced multimedia capabilities for its time.

Try in SPARQL Jump to: Surface forms Statements Referenced by

Observed surface forms (3)

Surface form	Occurrences
Agnus	0
Paula	0
Denise	0

Statements (52)

Predicate	Object
instanceOf	Amiga custom chipset ⓘ audio and I/O chip ⓘ computer chipset ⓘ custom chip ⓘ graphics and sound chipset ⓘ
architecture	shared memory architecture with CPU ⓘ
audioBitDepth	8-bit PCM ⓘ
audioChannels	4 ⓘ
audioSampleRate	up to ~28 kHz per channel ⓘ
colorPaletteSize	4096 colors (12-bit RGB) ⓘ
countryOfOrigin	United States of America ⓘ surface form: United States
designedForCPU	Motorola 68000 NERFINISHED ⓘ
developer	Commodore International NERFINISHED ⓘ
firstUsedIn	Amiga 1000 NERFINISHED ⓘ
fullName	Original Chip Set NERFINISHED ⓘ
generation	first-generation Amiga chipset ⓘ
graphicsType	bitplane graphics ⓘ
handles	audio channels ⓘ bitplane graphics ⓘ blitter operations ⓘ copper co-processor ⓘ floppy disk controller ⓘ interrupts ⓘ playfield scrolling ⓘ serial port ⓘ sprites ⓘ
introductionPeriod	mid-1980s ⓘ
mainComponent	Agnus ⓘ Denise NERFINISHED ⓘ Paula NERFINISHED ⓘ
marketSegment	home computer ⓘ multimedia computer ⓘ
maxOnScreenColors	32 colors in standard modes ⓘ 64 colors in Extra Half-Brite mode ⓘ
maxResolution	640x400 interlaced (NTSC) ⓘ 640x512 interlaced (PAL) ⓘ
notableFor	advanced multimedia capabilities for its time ⓘ
platform	Amiga NERFINISHED ⓘ
role	DMA controller ⓘ memory controller ⓘ
successor	AGA NERFINISHED ⓘ ECS NERFINISHED ⓘ
supportsFeature	4-channel PCM audio ⓘ DMA-based graphics ⓘ blitter ⓘ copper co-processor ⓘ hardware sprites ⓘ
usedIn	Amiga 1000 NERFINISHED ⓘ Amiga 2000 NERFINISHED ⓘ Amiga 500 NERFINISHED ⓘ Amiga CDTV NERFINISHED ⓘ Commodore Amiga computers NERFINISHED ⓘ

Referenced by (7)

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

Amiga → graphicsChipset → OCS ⓘ

Original Chip Set → alsoKnownAs → OCS ⓘ

Original Amiga chipset (OCS) → alsoKnownAs → OCS ⓘ

subject surface form: Original Amiga chipset

Agnus → partOf → OCS ⓘ

AGA → predecessor → OCS ⓘ

A500 → graphicsChipset → OCS ⓘ

Commodore Amiga 600 → chipset → OCS ⓘ