There are three PS1 models, with the original model having five retail revisions.
Start by Identifying Which Model You Have
You can instantly recognize which model you have by the exterior appearance.
PlayStation 1 (1994-2000)
PSone (SCPH-10x) (2000-2004?)
DTL-H300x “Net Yaroze” (1997-2000?)
Identify Which Version You Have
To identify which version you have start by flipping the system over and depending on the model the version number is in slightly different places. see below for more information on specific models
PlayStation 1 (1994-2000)
The version number is located next to the Sony logo and region Identifier.
PSone (SCPH-10x) (2000-2004?)
The version number is located next to the Sony logo and region Identifier.
PlayStation 1 (1994-2000)
The version number is located next to the Sony logo and region Identifier.
