C2G Computer Keyboard Cables and Adapters
When typing an essay, chatting with friends online or defeating enemies in a video game, you need to have a reliable keyboard.computer keyboard cable When the cable to your keyboard gives out, or you want to upgrade to a different connection type, C2G's computer keyboard cables and adapters provide an easy and affordable solution.
Computer keyboards connect to computers through a cable with either a PS/2 or USB (Universal Serial Bus) connector.computer keyboard cable Laptops use internal connectors. Regardless of which kind of connector is used, the keyboard cable must transmit power to the keyboard and carry signals from it back into the computer. The keyboard's processor analyzes the key matrix and determines what characters to send to the computer, preserving them in memory before sending them.
Most modern computer keyboards feature a USB connector, which is a larger variant of the mini-DIN plug that was common in the 1990s. The keyboard's connector is usually purple-colored to distinguish it from the same plug that's also used for a mouse. This sort of connector is more commonly found on desktop PCs and laptops that run Windows or Linux.
For older PCs, the keyboard may use a 5-pin DIN connector. The connector is similar to that on a mouse, although the key holes are slightly bigger. The DIN connector was the precursor to the 6-pin mini-DIN (PS/2 connector) and is also used for MIDI interface devices. Often, these types of connectors are connected to KVM switches or manual rotary switchers for sharing multiple computers and keyboards.
The DIN connector is sometimes referred to as an ISA or AT keyboard connector, even though it was the first compatible type of connector for the PC. This was because the IBM 5324 Datamaster (which had a built-in keyboard) and the 5322 System/23 Datamaster (with a separate keyboard module that sits in the case) used the same external connector for hooking up the keyboard-to-motherboard cable.
Some keyboards are still compatible with the ISA or AT interface. They have an internal header on the motherboard that supports the ISA or AT protocol. The keyboard-to-motherboard cable must be hooked up to this header via an external keyboard-to-ISA or AT adapter card that carries the two necessary connections, as well as the connector for connecting the keyboard to the adapter.
For older laptops, the keyboard connection is usually on a separate port on the motherboard. This port is a 6-pin mini-DIN connector that's often purple-colored to identify it as the keyboard connector. A 6-pin mini-DIN adapter can be used to convert this port into a PS/2 connector, which is commonly used in the back of desktop PCs for a keyboard and mouse. The adapter is also useful for connecting an old AT keyboard to a new computer that uses a PS/2 port for the mouse and keyboard. If the laptop does not have a dedicated PS/2 port, a USB adapter can be used instead.
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