The HD Loader is an application (.ELF) for your PS2 that you can run off your memory Card, an USB Stick or a CD an then load your games off the Hard Drive that you can connect over the Network Adapter with you Fat PS2.
Caller -"Everytime I start a Pc game on my S24, playing on a external monitor, someone calls or texts me, n it kicks me out of the game." Customer Support - Click (hangs up)
I found it funny cause many many years ago, had a roommate in college that did this same dumbass branding of the school logo, but it didn't look anything like it after it healed. Just looked like a birthmark.