Polymega - To transfer PS1 saves to POLYMEGA, you can use the Sony Memory Card adapter for PS3 plugged into the USB port of the base unit. | Facebook
Amazon.com: PS2 Controller to USB Adapter Converter Cable, Compatible with Sony PS1/PS2 Controller Gamepad to PS3/PC Controller (Black) : Video Games
PlayStation unofficial accessories: 24 Mega (24Mb or 3MB) memory card and card adapter for PC - YouTube
Playstation 1MB Memory Card (Old Skool) - Stone Age Gamer
Ps1 Memory Dedicated | Memory Card Reader | Tool | Accessories - High Quality Ps1 Card Game - Aliexpress
Tranferring PS1 and PS2 saves from memory cards to PC? I have a PS3 memory card adapter (see attached) and was wondering if there's any way of transferring save files from my
Raspberry Pi Pico Replaces PlayStation Memory Card | Hackaday
Change Old PS2/PS1 Memory to USB Thumbstick : 5 Steps - Instructables
Fmcb V1.966 Memory Card For Sony Ps2 Ps1 Console 8mb 16mb 32mb 64mb Usb Hdd Retro Video Gaming Adapter Cards For Playstation 1 2 - Memory Cards - AliExpress
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PS1 memory card to PC drivers? | GBAtemp.net - The Independent Video Game Community