Standard Keyboard Ports

Advance Technical Repair of Laptops Motherboard

Computer Repair Mastery Course

Get Instant Access

Since the appearance of the original IBM PC, keyboards have used 5-pin DIN connectors. On AT-style motherboards (described in Chapter 2, "Motherboards"), the motherboard contains a connector for the 5-pin DIN keyboard plug. Some designs, however, have used a smaller mini-DIN connector, and this design has become standard with ATX and related motherboards. Because it was used on the IBM PS/2 computer, the mini-DIN design is sometimes referred to as a PS/2 keyboard port. Figure 15.2 shows both an older full-size 5-pin DIN connector (on the left) and an adapter that can be used to connect a full-size 5-pin DIN device into a newer mini-DIN motherboard.

Despite their physical differences, keyboards that use the old full-size 5-pin DIN connectors and those that use the newer mini-DIN connectors are electrically compatible. An adapter like the one shown in Figure 15.2 is very simple in design; it merely links connectors of differing sizes. You should therefore not be too concerned with the type of connector on a keyboard. In fact, many keyboards sold today come with appropriate adapters, and can be used with either type of motherboard out of the box.

Was this article helpful?

0 0
The Ultimate Computer Repair Guide

The Ultimate Computer Repair Guide

Read how to maintain and repair any desktop and laptop computer. This Ebook has articles with photos and videos that show detailed step by step pc repair and maintenance procedures. There are many links to online videos that explain how you can build, maintain, speed up, clean, and repair your computer yourself. Put the money that you were going to pay the PC Tech in your own pocket.

Get My Free Ebook


Post a comment