One of them includes the old EE and GS chips, and the other contains the newer unified EE+GS chip, otherwise being identical.
Sony also advertised heavily as well and it had the advantage of being supported by Electronic Arts.
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.
It is widely believed that Sony has abandoned support for the hard drive.
During one week in November, sales in the entire country of Britain totalled 6,000 units - compared to 70,000 a few weeks prior.
These included a PCMCIA slot instead of the Expansion Bay (DEV9) port of newer models.
Hardware sales remained strong until 2004 saw the console apparently approaching saturation point.
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