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 (6)

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 ⓘ
Commodore International ⓘ
DMAChannels multiple independent DMA channels ⓘ
firstUsedIn 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 Commodore Amiga ⓘ
linked to: 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 Amiga 1000 ⓘ
Amiga 1500 ⓘ
Amiga 2000 ⓘ
Amiga 500 ⓘ
linked to: Commodore Amiga 500

Amiga CDTV ⓘ
linked to: Amiga

How these facts were elicited

Referenced by (13)

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 → Enhanced Chip Set ⓘ
linked to: Original Chip Set
OCS → fullName → Original Chip Set ⓘ
OCS → fullName → Original Chip Set ⓘ
subject linked to: ECS
Lorraine prototype chipset → evolvedInto → Original Chip Set ⓘ
Lorraine prototype chipset → predecessorOf → Agnus chip in Original Chip Set ⓘ
linked to: Original Chip Set
Lorraine prototype chipset → predecessorOf → Paula chip in Original Chip Set ⓘ
linked to: Original Chip Set
Lorraine prototype chipset → relatedTo → Original Chip Set ⓘ
Alice → predecessorInLineage → Original Chip Set Agnus ⓘ
linked to: Original Chip Set
Amiga CDTV → graphicsChipset → OCS (Original Chip Set) ⓘ
linked to: Original Chip Set