Changes

This version of the SCPH-9001 has a few chips which differ from the one pictured.

== Power supplies ==

There are primarily two types of fat PlayStation 1 power supplies: a 5-pin model, found in newer models (at least 7001 and higher) and a 7-pin model. Often, power supplies with the same number of pins are interchangeable, and in principle this may be a universal rule.