System Logic has posted a in-depth guide to SCSI technology.

When I first began being interested in building my own computer, it was hard to understand the difference between different component standards. So I didn´t really know what was best for my needs. This is especially true when dealing with storage. Currently, the two most popular hard drive interfaces are IDE/ATA and Small Computer Systems Interface, also known as SCSI. Both have their advantages and disadvantages. Most everyone that have tinkered with their PC has probably heard of these interfaces but most people know very little about the SCSI interface. When I started messing around with my computer, I had a basic concept of what IDE/ATA was and how it fit into the whole scheme of things. However, I only knew that SCSI existed but really didn´t know much about it. I did know that it was expensive to implement.

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