The computers come with two PS/2 ports, one for a keyboard and the other for a mouse. If you have such a computer, you may not use the USB keyboard in BIOS. In such a case, you have to buy a PS/2 ...

This kit included the Linux Software Installation disks, a 40GB IDE hard drive, an official Sony mouse and keyboard, a Sony PS2 network adaptor, and a special VGA cable to connect to a monitor.

The Microsoft Mouse first shipped in 1983 with a DB-25 serial connector. This was later updated to a DE-9 serial connector, followed by a version compatible with PS/2 ports, and finally, the USB ...

Connect a keyboard and mouse to your PS5 for additional control. PS5 controllers are fine, but they're not great at navigating menus and typing text.