GitHub - ticky/cdda_enabler: Enables CDDA audio on PSP firmwares > 4.01 without enabling POPSLOADER or having compatibility problems with your homemade EBOOTs
POPSLoader v3 Installation Tutorial for 6.60 - CDRomance
Guide to: Converting PS1 games for PSP | Page 21 | GBAtemp.net - The Independent Video Game Community
Psx on Psp Compatibility List
Issues with Custom PS1 Eboots and Popsloader on 6.61 PRO C-2 : r/PSP
Worldly desires
Tutorial. PopsLoader CF PRO 6.xx or ME 6.39 - wololo.net/talk
PSP: The 5 best Plugins for the console
PSP TUTORIAL] How to install Popsloader on 5.00m33-6 cfw - YouTube