The machine's future continues to be uncertain, with North American and European launches considered to be distant if at all.
V3 has a substantially different internal structure from the subsequent revisions, featuring several interconnected printed circuit boards.
Not only did Sony roll out the PS2 online adapter in late 2002 to compete with Microsoft, several online launch games were first party titles such as SOCOM US Navy SEALS in order to show that Sony was supporting this feature actively.
A product named HD Connect can be soldered into the unit giving hard drive support though.
Yet, the PS2 initially sold well solely on the basis of the strength of the PlayStation brand and its backwards compatibility, selling over 900,000 units in the first weekend in Japan.
V7 and V8 are also similar, and V9 (model number SCPH-50000/SCPH-50001) added the Infrared port for the optional DVD Remote Control, removed the widely unused FireWire port, added the capability to read DVD-RW discs, and a quieter fan.
Hardware sales remained strong until 2004 saw the console apparently approaching saturation point.
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