Which connector do I need?

PC

Devices that connect via the serial port are slowly being phased out in favour of the more flexible USB devices.

PC

It is usually necessary to re-boot your computer after connecting a PS2 device.

PS2 is the standard port for keyboard/mouse on modern PCs (but make sure you don't plug your mouse into the keyboard port - they are sometimes different).

Can be 'hot plugged' - there is no need to re-boot your computer after connecting a USB device.

Many new devices are now being made with USB connections.

This is an older connector for PCs.

PS2 to AT adaptors can be purchased to enable new PS2 devices to be connected to an older computer with an AT port.

Mac

This is an older connector for Macs - USB connectors are used on more modern Macs.

ADB devices can be plugged into a USB port using a Griffin iMate.