What Is a PS/2 Port and Why Do Some Computers Still Have Them?

PS/2 Green Mouse Port, and PS/2 Purple Keyboard Port on Motherboard. Stock Photo - Image of connector, green: 109965808

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My IBM PS/2 Model 80 came today — WinWorld

What Is a PS/2 Port and Why Do Some Computers Still Have Them?

PlayStation 2 manufacture ends after 12 years, PlayStation

keyboards - Why is there only one PS/2 port on my computer? - Retrocomputing Stack Exchange

IBM PS/2 model 30 - Amedeo Valoroso

Czech Discovery Ressurects PS/2 Keyboard

You Can Turn Your Old PS2 Into A Linux Computer: Here's How