Original Chip Set

E199218

The 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.

All labels observed (2)

Label Occurrences
Original Chip Set canonical 4
Enhanced Chip Set 1

How this entity was disambiguated

Statements (51)

Predicate Object
instanceOf Amiga custom chipset
computer chipset
alsoKnownAs OCS
architecture custom coprocessor-based architecture
audioResolution 8-bit digital audio
audioSampleRate up to approximately 28 kHz per channel
busWidth 16-bit data bus
colorPaletteSize 4096 colors
component Agnus
Denise
Paula
developer Amiga Corporation (originally)
surface form: Amiga Corporation

Commodore International
DMAChannels multiple independent DMA channels
firstUsedIn Commodore Amiga 1000
surface form: Amiga 1000
firstUsedYear 1985
generation first-generation Amiga custom chipset
graphicsFeature bitplane-based graphics
blitter coprocessor
copper coprocessor
dual playfield support
hardware sprites
smooth hardware scrolling
graphicsResolutionSupport up to 640×400 interlaced in NTSC
up to 640×512 interlaced in PAL
introductionPeriod mid-1980s
marketedAs advanced multimedia chipset
maxChipRAM up to 1 MB in later OCS configurations
up to 512 KB in early systems
memoryTypeSupport chip RAM
notableCapability advanced graphics for home computers of its era
advanced sound for home computers of its era
preemptive multitasking-friendly DMA design
platform Amiga
surface form: Commodore Amiga
predecessor Lorraine prototype chipset
primaryFunction DMA control
graphics processing
sound processing
system timing
simultaneousColorsOnScreen up to 32 colors in standard modes
up to 4096 colors in Hold-And-Modify mode
up to 64 colors in Extra Half-Brite mode
soundChannels 4-channel PCM audio
soundOutput stereo sound
successor Advanced Graphics Architecture
Enhanced Chip Set
usedInComputer Commodore Amiga 1000
surface form: Amiga 1000

Commodore Amiga 2000
surface form: Amiga 1500

Commodore Amiga 2000
surface form: Amiga 2000

Commodore Amiga 500
surface form: Amiga 500

Amiga
surface form: Amiga CDTV

How these facts were elicited

Referenced by (5)

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

Commodore Amiga 2000 chipset Original Chip Set
Commodore Amiga 500 graphicsChipset Original Chip Set
Agnus partOf Original Chip Set
Advanced Graphics Architecture predecessor Original Chip Set
Advanced Graphics Architecture predecessor Original Chip Set
this entity surface form: Enhanced Chip Set