Standard PS/2 and USB KVM Switches
How to Choose:
A) Number of Computers you have
B) The Keyboard and Mouse Connectors (PS/2, USB)
C) Form Factor - Some find it convenient to have the I/O connectors on the back! MINI FAQ:
1) USB KVM's with PS/2 Inputs will control USB Connected Computers with PS/2 Keyboards and mice!
2) KVM Switchers can be used manually with pushbutton switches or by using "hot keys" on your computer keyboard, the hot keys are generally configurable.
3) USB keyboards and mice are compatible to varying degrees with Macs and PC's.