PSP Tool is a multi-purpose utility to application which can perform various general management functions on a PlayStation Portable console.

This includes:

– Backup and Restore the IdStorage of the PSP
– Check the IPL injected on the Memory Stick or a file located on the Memory Stick
– Check, Backup, Restore and change the battery EEPROM
– Connect various devices through a USB cable
– Create a checksum of the IPL injected on the Memory Stick or an IPL located on the Memory Stick
– Create a variety of different Magic Memory Sticks
– Erase the entire IPL space of the Memory Stick
– Extract the IPL injected on the Memory Stick to a file
– Format the Memory Stick
– Inject a variety of included IPLs or an IPL from a file to the Memory Stick

Changes:

– Added options to create DC3, DC4, DC5, DC7, DC8 or an original 1.50 Update Flasher Magic Memory Sticks (read manual for requirements, same as original installers).
– Added a Memory Stick format function based on Hellcats Pandora Installer.
– The wave colours are now random and customizable (the wave colours can be changed by pressing SQUARE or holding L while pressing square toggles between the flash0 colours and the internal colours).
– Other minor alterations and fixes.
– Fixed crash when attempting to use a flash via USB when run under DC.
– All files (except loaded PRXs) are now stored in a zip archive in the PSAR section of the EBOOT for easy editing.
– Sources are no longer included to reduce file size.
– IdStorage keys are now saved and restored from a single file and the integrity of the file is validated before restoration.
– Added more information to the system information pandels.

http://forums.qj.net/showthread.php?t=146768