Things You'll Need
Instructions
Turn on your Sony PSP and wait for the PSP operating system, known as XrossMediaBar (XMB), to load up.
Connect the miniUSB cable to the PSP. The other end of the cable will be a regular-sized USB 2.0 plug.
Connect the other end of the USB cable to one of the open USB ports on the front of the PS2.
Select "USB Connection" from the PSP main menu. The PS2 will now be able to access the PSP.