USB Connection 
You can transfer files from a PC to a Memory Stick Duo™ inserted in the PSP™ system using a USB cable. Note that files that can be played are limited to file formats supported by the system.
Hints
•You can connect to a PC with an operating system that supports the USB mass storage class, such as Windows® XP or Mac OS X.
•A USB cable compatible with the
Connecting the system and a PC using a USB cable
You can connect a USB cable to the system and the PC without turning off the power.
1 Connect a USB cable to the system and a PC.
Use a USB cable with a connector that matches the connector type of the PC.
PC
106USB Connection