CmpTIA A+ 认证考试指南 第六版(All-in-One CmpTIA A+ Certifiatin Eam Guie).pdf

CompTIA A+ Certification All-in-One Exam Guide 376 Even though the Windows installation shows you’ve made three partitions, you’ve really made only two: the primary partition, which is C:, and then two logical drives (D: and E:) in an extended partition. Once again, the next step, formatting, is saved for a later section in this chapter. You’ve just created three drive letters. Keep in mind that the only drive you must partition during installation is the drive on which you install Windows. The installation program can delete partitions just as easily as it makes them. If you use a hard drive that already has partitions, for example, you just select the partition you wish to delete and press the letter D. This will bring up a dialog where Windows gives you one last change to change your mind (Figure 10-34). Press L to kill the partition. Figure 10-34 Option to delete partition Partitions and Drive Letters Folks new to partitioning think that the drive letter gets “burned into the drive” when it is partitioned. This is untrue. The partitions receive their drive letters at every boot (but Windows will let you change any drive letter other than the C: drive, overriding the boot ordering, if you wish). If you’re using PATA drives, here’s the order in which hard drives receive their letters: 1. Primary partition of the primary master drive 2. Primary partition of the primary slave drive 3. Primary partition of the secondary master drive 4. Primary partition of the secondary slave drive 5. All logical drives in the extended partition of the primary master drive Chapter 10: Impl