Developers also complained that it was difficult to develop for the system, with little in the way of reference material from Sony for its exotic architecture.
When it was released, the PS2 had many advanced features that were not present in other contemporary video game consoles, including its DVD capabilities and USB and IEEE 1394 expansion ports.
As of V4 everything was unified into one board, except the power supply.
A product named HD Connect can be soldered into the unit giving hard drive support though.
Later hardware revisions had better compatibility with PlayStation games (Metal Gear Solid: VR Missons works on most silver models).
One of them includes the old EE and GS chips, and the other contains the newer unified EE+GS chip, otherwise being identical.
During one week in November, sales in the entire country of Britain totalled 6,000 units - compared to 70,000 a few weeks prior.
Although Sony placed little emphasis on online gaming during its first year, all that changed because of the launch of the online-capable Xbox.
Developers also complained that it was difficult to develop for the system, with little in the way of reference material from Sony for its exotic architecture.
In September 2004 Sony unveiled the third major hardware revision (V12, model number SCPH-70000).
When it was released, the PS2 had many advanced features that were not present in other contemporary video game consoles, including its DVD capabilities and USB and IEEE 1394 expansion ports.
