3DO

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Info about the console

Specifications

Processor

  • 32-bit RISC CPU @ 12.5mhz (ARM60) - using VY86C060-20FC / VY86C06020FC-2 (native stock speed of 20FC chips is @ 20mhz)
  • Custom Math co-processor (It does not use the stock ARM FPA unit.)
  • 32 KB SRAM

Display

  • Resolution 640×480 (interpolated), 320×240 (actual) 60 Hz for NTSC version, and 768×576 (interpolated), 384×288 (actual) 50 Hz for PAL version with either 16-bit palettized color (from 24-bit) or 24-bit truecolor.[35]
  • Two video co-processors capable of producing 9–16 million pixels per second (36–64 megapix/s interpolated), distorted, scaled, rotated and texture mapped.

System Board

  • 50 MB/s bus speed (synchronous 32-bit @20 MHz bus)
  • 36 DMA channels
  • 2 MB of main RAM
  • 1 MB of VRAM
  • 2 expansion ports

Sound

  • 16-bit stereo sound
  • 44.1 kHz sound sampling rate
  • Supports Dolby Surround sound
  • Custom 20-bit digital signal processor (DSP) – 20-bit accumulator with 16-bit parameter registers for extended precision

Revisions

Info about various revisions

Early models

Hardware differences and ways to identify

Later models

Hardware differences and ways to identify

Best Possible Connection

Stock

S-Video

Modded

RGB Scart

Known issues and quirks

Info about quirks specific to the console - jail bars, blurring, and other oddities

Mods

Links to detailed mod pages with brief descriptions of what they do

Schematics

Links to schematics and circuit diagrams.