PlayStation Portable

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There are 5 variants:

  • 100x (Fat)
  • 200x (Slim)
  • 300x (Slim & Lite)
  • N100x (Go)
  • E100x (Street)

The modular design results in shared components:

  • Analog stick: 3k, Street
  • Battery: 2k, 3k†
  • Charging port: 2k, 3k

†Batteries designed for the 100x models are compatible and functional with the 200x models, however, the 200x's battery door can not be used with 100x batteries. While they do clip in and hold themselves in place, they are exposed, thus, not recommended for use outside of testing purposes.

The market is tiny and there is a fully retrocompatible upgrade, PS Vita.

Joystick drift[edit | edit source]

The most common issue. A new module costs 1~3€ on AliExpress.

Problem Solution
2k: the stick is stuck at the upper-left corner, or only/mostly the vertical axis works Poor connection between the joystick circuit and motherboard due to the rubber piece. If it doesn't respond at all, just stays in the upper-left corner, it's as if there was no stick connected at all (this might be true for all models since they all use the same software). Temporary fix: gently push on the lower left of the screen above where the connection is.
2k or all: inconsistent, light movement Taking the module apart and cleaning it might help. (in my case vertical started working)
2k, 3k battery stopped working Some unofficial batteries get their board fried if the console is charged via USB, this can be disabled to prevent but doesn't fix it.

Homebrew software[edit | edit source]

You can disable/neutralize functions (that are not working properly or you don't use): analogue stick via CFE + JoySens, optical drive via NoUMD.