CompTIA A+ Certification All-in-One Exam Guide, Ninth Edition (Exams 220-901 & 220-902), 9th Edition

CHAPTER 9

Hard Drive Technologies

In this chapter, you will learn how to

•   Explain how hard drives work

•   Explain how solid-state drives work

•   Identify and explain the PATA and SATA hard drive interfaces

•   Describe how to protect data with RAID

•   Install hard drives

•   Configure CMOS and install drivers

•   Troubleshoot hard drive installation

Of all the hardware on a PC, none gets more attention—or gives more anguish—than the hard drive. There’s a good reason for this: if the hard drive breaks, you lose data. As you probably know, when data goes, you have to redo work, restore from a backup, or worse. It’s good to worry about our data, because that data runs the office, maintains the payrolls, and stores the e-mail. This level ...