According to recently filed FCC documents, the PSP Go (PSP-N1001) might be faster than we originally expected. While the official specs stated the clock frequency of the processor at 333MHz, FCC documents have pegged this tiny UMD-less, flash based dynamo to actually max out at 480MHz. While the PSP Go will most likely be locked in at 333Mhz, it is possible that the software within will allow scaling for intensive applications or the full speed will be enabled in a future firmware update. Many of you may remember that the original PSP was always locked to 222MHz, but since firmware 3.50, developers had access to the full 333MHz. The difference in increased processor speed was night and day for many gamers, who noticed better lighting, more particles, and a few minor differences.
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The initial description of the Game Sleep function made it seem more like in-game XMB, but this seems to be a bit cooler by allowing you to quick save/sleep it and return to the XMB to do whatever else you need to do and then come back to the game at another time. It would be even better if that can be done for multiple games, like you can do on the PS3 for videos, which would be a nice contrast to the PSP since it only saves your spot for music and only one file at a time.The unit I played yesterday was loaded with several games. I played the new Jak and Daxter on it briefly, with no ergonomic difficulty. I also tried to use the Go's exclusive Game Sleep function, but the Jak build was blocking it. The Game Sleep function allows a player to sleep their game at any point and return to the cross media bar on the PSP to do other things — no saving required. I failed to ask if multiple games can be frozen with Game Sleep at the same time, but will follow up.