PS one, PlayStation Wiki

The PS one is a significantly smaller, redesigned model of the original PlayStation. It was developed and manufactured by Sony, and was initially released in Japan just over five years after the original PlayStation's launch.  The console is compatible with the entirety of the original PlayStation software library and contains many of the same features, although it lacks the "Reset" button seen on the original model. The PS one console redesign was released in Japan on July 7, 2000, followed by

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PlayStation PS 1 one information specs versions — Gametrog

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