However the New Slim Silver Models have more issues with playing PlayStation games than the first PS2 revisions.
V0 did not have a built-in DVD player and instead relied on an encrypted player that was copied to a memory card from an included CD-ROM (normally, the PS2 will only execute encrypted software from its memory card, but see PS2 Independence Exploit).
As of V4 everything was unified into one board, except the power supply.
Currently, most people just use V12 for both models, or V12 for the old model and V13 for the newer one.
The PlayStation 2 had a difficult start.
In preparation for the launch of a new, slimmer PlayStation 2 model (SCPH-70000), Sony had stopped making the older PS2 model (SCPH-5000x) sometime during the summer of 2004 to let the distribution channel empty out stock of the units.
These included a PCMCIA slot instead of the Expansion Bay (DEV9) port of newer models.
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