Sony PlayStation 1 – SCPH-7501 – Grey

  • Model: SCPH-7501
  • Case: Original (Grey)
  • BIOS: 4.1 (1997-12-16)
  • Hardware: Rev. C
  • Board model number: PU-22, PU-18 (early)
  • Region: NTSC-U/C
  • A/V Direct Out: No
  • Parallel Port: Yes
  • Serial Port: Yes
  • Made in Japan
  • Manufactured: December 1998
  • Serial number: U4101808
  • AC 120V 60Hz 17W
  • CPU: 32-bit RISC MIPS R3000A-compatible MIPS R3051 (33.8688 MHz)
  • MDEC (motion decoder) for FMV playback
  • RAM: 2 MB main, 1 MB video
  • Graphics: GPU and Geometry Transformation Engine (GTE), with 2D rotation, scaling (2.5D), transparency and fading, and 3D affine texture mapping and shading
  • Colors: 16.7 million (True Color)
  • Sprites: 4,000
  • Polygons: 180,000 per second (textured), 360,000 per second (flat-shaded)
  • Resolution: 256×224 to 640×480 pixels (480i)
  • Sound: 16-bit, 24 channel ADPCM
  • Notes: DualShock now standard, Introduction of Sound Scope, Major manufacturing cost reductions took place from this model onwards, the number of memory chips and CD-ROM controllers were reduced, other components were simplified, especially on SCPH-750x.

To Do:

  • clean inside and outside
  • buy a fuse 125V and 2 A