PSP Homebrew developer West-Li has released to a useful homebrew app called PSP Module Checker. This is version 4.0 of the PSP Module Checker and its used to detect certain things such as the motherboard, PSP Model number and a lot more information that could come in handy. The developer notes that in order to install PSP Module Checker you will first need to instal CFW or HEN on your PSP. Check out the changelog for version 4 below.
Changelog
Added new module to psar (batman.prx)
Added Edit menu for Battery Info
Added CFW Detection to Page 5
Added Battery Type, Serial detection
Added dont show again credits option
Added Region detection to page 1
Updated kuman.prx
Updated Model function on page 1 (Added minor version of PSP detection)
Fixed bug with green color
Source
