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

Release notes:

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

Changes:
– Added options to check, change, backup and restore the EEPROM of the battery
– Added IdStorage backup and restore options (excludes IdStorage index file)
– Added system information panel
– Fixed a bug which caused the IPL to incorrectly be identified in certain cases
– Fixed issue injecting an IPL from a file if the IPL was changed through the USB connection prior to injecting the IPL
– Fixed issue detecting some IPLs which were smaller than 4KB

http://forums.qj.net/showthread.php?t=146074