Instructions
Turn on the PSP.
Navigate to ̶0;Settings̶1; and ̶0;System Settings̶1; in the PSP XrossMediaBar.
Select ̶0;UMD Cache.̶1;
Set the UMD Cache setting to ̶0;On̶1; if you want to store regularly used UMD files in your PSP̵7;s system memory. This will reduce the number of times the PSP has to read files from the inserted UMD, increasing its data-read speed. Set the UMD Cache setting to ̶0;Off̶1; if you do not want to store any UMD files in your PSP̵7;s system memory.