PS2 F Mouse to DB9 F Serial Port Adapter Cable 5 Inch
Serial DB9 Male to PS/2 Male Serial Adapter | ARC Computers
foone🏳️⚧️ on Twitter: "This requires more Smarts in your mouse to be able to talk serial, and you've got the issue that some serial ports are DB-25 and some are DB-9, and
USB-SERIAL-PS2 - USB to RS232/PS2 Adapter
CAT5 KVM VGA Extender Remote Keyboard Video Audio RS232 Monitor
PC mouse Adapter / converter lead, DB9 serial mouse into the PS/2 port on a PC | eBay
Amazon.com: DriverGenius USB232A-B, USB to Serial RS232 DB9 Adapter with 3 x LEDs - Win11 & Mac (M/M, 3ft/1m) : Electronics
A Converter You Won't Have: PS/2 Mouse To Serial Mouse | Hackaday