Sony's public stance on HD Loader is that it is not supported and is illegal (it can enable game piracy by allowing games to be installed, then played later without owning the disc). Games may also refuse to detect the drive if it is unofficial. The HD Loader software does not require an original Sony hard drive to function properly, however some drives may be impossible to attach without modifying connectors. PS2: PHAT / SLIM / FMCB w/ESR & OPL Daily Builds / SMS w/PSClient v1.3.1 PS2 Consoles: SCPH-50001 V9 / SCPH-70012 V12 / SCPH-77001 V15 PS2 PHAT Network Adaptor: SCPH-10281. Open PS2 Loader also is developed continuously and anyone can contribute improvements to the project.

It aims to be more compatible with games. Open PS2 Loader is a 100% Open source game loader compatible with USB Advance/Extreme game format and also with plain ISO format. It also has additional features, like the GSM feature that is used. It has support for the Hard Disk Drive (like HD Loader), USB (like HD Advance), and SMB (over network). Open PS2 Loader, abbreviated as OPL, is an open-source program that allows playing of commercial games and homebrew installed from external storage devices. With the most recent versions, many PS2 games are playable (although speed limitations have made play-to-completion tests for many games impractical), and several games are claimed to have full functionality. PCSX2 is an open source PlayStation 2 (PS2) emulator for the Microsoft Windows and Linux operating systems. The games can be copied to the hard drive from within the program, or by using a computer with image dumping software that outputs to a specific custom format. HD Loader is a program for the PlayStation 2 video game console which allows users to play games installed on the optional hard drive peripheral via PlayStation 2 Network Adaptor.

Open ps2 loader not showing games usb