Got this memory card and a ps2 slim SCPH 90001. I believe it isn't compatible, right? If so, what can I do to play games in a USB? : r/ps2
USB/Hard Disk Game Memory Card Professional FreeMcBoot FMCB PS2 Memory Card - Walmart.com
Just got Free McBoot! what's something cool to do with it!??? : r/ps2
How To] Install FMCB for Playstation 2 Slim (Or fat) Tutorial for PS2 Enthusiasts! [CC] - YouTube
Amazon.com: Kaico Free Mcboot 8MB PS2 Memory Card Running FMCB PS2 Mcboot 1.966 for Sony Playstation 2 - FMCB Free Mcboot Your PS2 - Plug and Play - Playstation 2 CFW McBoot 1.966 : Video Games