A-Hackers-Guide
PlayStation 1

Installing the MODE

Fitting the MODE requires disconnecting the optical drive and making soldered connections to the mainboard. Static discharge, heat, or a wrong connection can brick the console. Ground yourself and follow the revision-specific instructions precisely — bricking is a genuine possibility.

The Terraonion MODE is an optical drive emulator (ODE) that loads games from internal storage or an SD card in place of the physical disc drive. Like other ODEs, it substitutes for the entire optical unit rather than spoofing an authentication signal, so installation revolves around removing the original drive's role and wiring the MODE board in.

Match the guide to your board

The MODE covers multiple PlayStation revisions, and the exact connections differ between them. Always follow Terraonion's install guide for your specific board revision, and confirm that revision before doing any soldering.

  1. Identify
    Disassemble the console, read the board revision, and open the MODE guide that matches it.
  2. Prepare
    Gather the MODE board and its cabling, prepare storage with firmware and game images, and ready your soldering tools.
  3. Disconnect & connect
    Disconnect the optical drive and attach the MODE to the connection points specified for your revision, keeping wiring tidy.
  4. Reassemble
    Secure the board and any front-panel display, check for shorts, and loosely close the console for testing.
  5. Test
    Power on, confirm the MODE menu loads and a game starts, then complete reassembly.

ODE Terraonion Take time routing cables so nothing is pinched when the case closes.