For users with specific configuration needs, PSNPatch supports customization through its configuration file. "In PSNPatch you can edit the psnpatch.cfg in the program-folder and change the rap_path to point to /dev_usb001 or /dev_hdd0 or whatever you like".
If you need help finding specific tools or want to know the difference between CFW and HEN for installing these files, YouTube·Sonar Systems pkg rap files ps3 better
To understand why PKG+RAP is the "better" choice, it helps to compare it to the alternatives used by the PS3 community. For users with specific configuration needs
When working with PKG RAP files on the PS3, keep in mind: pkg rap files ps3 better
The Fix: Reformat the drive to FAT32 or use a homebrew file manager like Irisman to copy the PKG directly to the PS3's internal dev_hdd0/packages folder.