The PSP's 3.5 firmware update back in June included the capability to unlock the PSP's core speed, taking it from 266mhz to 333mhz. Developers were quick to crow the benefits, God of War for the PSP being a notable addition to the fast camp. However, a recent report on Beyond3D suggested that the PSP SDKs force WiFi to be disabled when the speed increase was enabled.
Hopes that this may have been an unwarranted rumour have now been dashed - Sony has confirmed to GameDaily that this is a deliberate design decision. Sony's Director of Corporate Communications confirmed the findings, stating, "The recent firmware upgrade (3.50) that removed the restriction on the PSP's CPU speed enables developers to utilize speeds either lower or higher than the default 222MHz, up to the full 333MHz clock speed. The article is correct that increased CPU speed cannot be used with the PSP's wireless feature."
The lack of 333mhz and simultaneous WiFi has some interesting implications for multiplayer. As designers can only choose one or the other, WiFi multiplayer games will apparently have to use the slower speed, leading to potentially different graphical effects between single and multiplayer. The reason for the design decision hasn't been made clear, but Sony has confirmed they'll talk with their Japanese brethren to find out more. The most commonly speculated reason for the decision is one of battery life - enabling both would likely have a significant impact on play time, so to prevent designers from making bad design decisions, Sony has simply removed the option.


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