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PlayStation technical specifications

From Wikipedia, the free encyclopedia

An SCPH-1000 motherboard
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The PlayStation technical specifications describe the various components of the original PlayStation video game console.

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Transcription

Contents

Central processing unit (CPU)

LSI CoreWare CW33300-based core[1]
Geometry Transfer Engine (GTE)
Motion Decoder (MDEC)
  • Also residing within the main CPU, enables full screen, high quality FMV playback and is responsible for decompressing images and video into VRAM.[4]
  • Operating performance: 80 MIPS[8]
  • 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.
  • It is directly connected to CPU bus
System Control Coprocessor (Cop0)[citation needed]
  • This unit is part of the CPU. Has 16 32-bit control registers.
  • Modified from the original R3000A cop0 architecture, with the addition of a few registers and functions.
  • Controls memory management through virtual memory technique, system interrupts, exception handling, and breakpoints.

Memory

  • MB main EDO DRAM[4]
  • Additional RAM is integrated with the GPU (including a 1 MB framebuffer) and SPU (512 KB), see below for details.
  • Cache RAM for CPU core and CD-ROM. See the relevant sections for details.
  • Flash RAM support through the use of memory cards, see below.
  • BIOS stored on 512 KB ROM

Graphics processing unit (GPU)

32-bit Sony GPU

Sound processing unit (SPU)

16-bit Sony SPU[4]

I/O system and connectivity

CD-ROM drive
Two control pads via connectors[8]
  • Expandable with multitap connector[8]
Backup flash RAM support
  • Two removable cards[8]
  • Each card has 128 KB flash memory
  • OS support for File Save, Retrieve and Remove[8]
Video and audio connectivity
Serial and parallel ports
Power input
  • 100 VAC (NTSC-J)/120 VAC (NTSC-U/C)/220–240 VAC (PAL)
  • 7.5 VDC 2 A (PSone only)

See also

References

  1. ^ http://patpend.net/technical/psx/LSI.htm
  2. ^ a b c d e "Sony's PlayStation Debuts in Japan!". Electronic Gaming Monthly. No. 65. Sendai Publishing. December 1994. p. 70.
  3. ^ "FastForward Sony Taps LSI Logic for PlayStation Video Game CPU Chip". FastForward. Retrieved 29 January 2014.
  4. ^ a b c d e f g h "Inside the PlayStation". Next Generation. No. 6. Imagine Media. June 1995. p. 51.
  5. ^ a b "Tech Specs: Sony PlayStation". Next Generation. No. 12. Imagine Media. December 1995. p. 40.
  6. ^ Karl Hodge. "Hall of Fame: Sony PlayStation, the games console that changed everything".
  7. ^ "Sony PlayStation". GamePro. No. 72. IDG. September 1994. p. 20.
  8. ^ a b c d e f g h i j k l "Sony PlayStation". Next Generation. No. 24. Imagine Media. December 1996. p. 50.
  9. ^ https://archive.org/stream/nextgen-issue-001/Next_Generation_Issue_001_January_1995#page/n47/mode/2up/
This page was last edited on 2 March 2019, at 03:27
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