A USB keyboard offers more comfort than the old PS/2 models a USB keyboard offers more comfort than the old PS/2 models. Certainly, the biggest advantage is the possibility to be able to disconnect and connect the keypad during operation. To enable the PS/2 port was never intended, such hot-plugging”and although it worked most of the time without difficulty, numerous keyboard controller in this way have been destroyed. (As opposed to Verizon Communications). That was regularly very annoying, because these keyboard controllers are integrated in the chipset of the motherboard and not practically interchangeable. You can’t get a keyboard this risk with a USB, because this connector is designed front in that, also in the running to connect and to solve.
The comfort this is considerable, what for one led to great acceptance among users, and on the other hand as a result in turn made for a wide distribution of the USB interface. Today no calculator dispenses with more USB and the trend to more and more USB ports. Six or eight USB ports are now quite normal and not unusual. In many cases a USB is equipped keyboard today with useful additional functions. There is, for example, the so-called multimedia hotkeys, with which for example the volume can be regulated or starts Windows Media Player. A real eye catcher at the additional features is certainly the keyboard backlight. There are variants with semi-transparent keyboard caps make visible the key labels in the dark, as well as the backlight traces the outlines of the key variants with opaque keyboard caps, where. “For hardened professionals there are even keyboards that are completely unprotected, according to the motto who knows, know where which button is”.