Sony playstation 3

Technical specifications

Central processing unit

R3051

• MIPS R3000A-compatible 32-bit RISC chip running at 33.8688 MHz
• The chip is manufactured by LSI Logic Corp. with technology licensed from SGI.
• Features:
  • Operating performance of 30 MIPS
  • Bus bandwidth 132 MB/s
  • 4 kB Instruction Cache
  • 1 kB non-associative SRAM Data Cache
  • 2 MB of main RAM

Geometry transformation engine

• Resides inside the main CPU chip, giving it additional vector math instructions used for 3D graphics
• Features:
  • Operating performance of 66 MIPS
  • 360,000 polygons per second[19]
    180,000 texture mapped and light-sourced polygons per second[citation needed]

Data decompression engine

• Also residing within the main CPU, it is responsible for decompressing images and video.
• Documented device mode is to read three RLE-encoded 16×16 macroblocks, run IDCT and assemble a single 16×16 RGB macroblock.
• Output data may be transferred directly to GPU via DMA.
• It is possible to overwrite IDCT matrix and some additional parameters, however MDEC internal instruction set was never documented.
• Features:
  • Compatible with MJPEG and H.261 files
  • Operating Performance of 80 MIPS
  • Directly connected to CPU Bus

Graphics processing unit

Name unknown

• Handles 2D graphics processing separate from the main 3D engine on the CPU
• Features:
  • Maximum of 16.7 million colors (24-bit color depth)
  • Resolutions from 256 × 224 to 640 × 480
  • Adjustable frame buffer
  • Unlimited color lookup tables
  • Emulation of simultaneous backgrounds (for parallax scrolling)
  • Flat or Gouraud shading and texture mapping
  • 1 MB of VRAM

Sound processing unit

Name unknown

• Supports ADPCM sources with up to 24 channels
• Sampling rate of up to 44.1 kHz
• 512 kB of memory

CD-ROM drive

• 2x, with a maximum data throughput of 300 kB/s
• XA Mode 2 Compliant
• CD-DA (CD-Digital Audio)
• 32 kB buffer

Bios

• Stored on 512 kB ROM

Memory Card

• 128 kB of space in an citation needed]

Connectivity

• AV Multi Out
• RCA Composite video and Stereo out (SCPH-100x to 3xxx only)
• RFU DC Out (SCPH-100x to 3xxx only)
• S-Video Out (SCPH-1000 only)
• Serial I/O (used for PlayStation Link Cable, not on PSone)
• Parallel I/O (no offical use, SCPH-100x to 750x only)

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