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Chapter 8

Chapter 8. Understanding and Installing Hard Drives. Hard Drive Subsystem. Types of Hard Drive Interfaces. EIDE (Enhanced IDE) interface standards used by most hard drives Other interface standards SCSI USB IEEE 1394 ……. EIDE Interface Standards.

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Chapter 8

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  1. Chapter 8 Understanding and Installing Hard Drives

  2. Hard Drive Subsystem A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  3. Types of Hard Drive Interfaces • EIDE (Enhanced IDE) interface standards used by most hard drives • Other interface standards • SCSI • USB • IEEE 1394 • …… A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  4. EIDE Interface Standards • Specify data transfer speed more than any other factor • Ultra ATA/100: most popular • Trend: parallel -> serial • Modes of transferring data between hard drive and memory • DMA transfer mode • PIO transfer mode A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  5. IDE Cabling Methods A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  6. IDE Cabling Methods (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  7. EIDE Interface Standards (continued) • Addressing Limitation • ATA/100 and earlier uses 28-bit addresses (< 137GB) • ATA/133 uses 48-bit addresses (> 137GB) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  8. Configuring EIDE Drives • EIDE standards support two IDE connections, a primary and a secondary • Each connection can support up to two IDE devices • Master device • Slave device A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  9. Configuring EIDE Drives (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  10. How Hard Drives Work A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  11. How Hard Drives Work (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  12. Tracks and Sectors on the Drive A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  13. Tracks and Sectors on the Drive (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  14. Hard Drive Controller HD OS Hard drive controller BIOS A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  15. CHS Mode HD OS (cylinder, head, sector) complex Hard drive controller (cylinder, head, sector) BIOS IDE/ATA Interface BIOS Interface A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  16. A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  17. ECHS Mode HD OS (cylinder, head, sector) complex Hard drive controller (cylinder, head, sector) BIOS IDE/ATA Interface BIOS Interface BIOS Translation A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  18. A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  19. LBA Mode HD • For ATA/100 and earlier, up to 137 GB • For ATA/ATAPI-6, > 137 GB OS Block # complex Hard drive controller Block# BIOS IDE/ATA Interface BIOS Translation BIOS Interface A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  20. Format a Hard Drive • Low-level format (usually done at the factory) • Partitioning the hard drive • High-level format A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  21. Low-Level Formatting • Occurs at the factory • Process of writing sector and track markings on the disk • Expected to last for the life of the drive A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  22. Partition a Hard Drive • Multiple primary partitions + one extended partition • Primary partition can install OS • Extended partition cannot • Only one primary partition is bootable (active partition) • Each primary partition is a logical drive • The extended partition can contain multiple logical drives Primary Primary Primary Extended A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  23. High-level Formatting a Logical Drive • Boot Record • File System Records • File System Tables • Root directories A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  24. File Systems • FAT16 • Supported by all Windows systems • FAT32 (and VFAT) • Supported by Windows 95 Second Edition, Windows 98, Windows 2000, Windows XP • NTFS • Supported by Windows NT, Windows 2000, Windows XP • Each logical drive has its own file system A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  25. When to Format a Drive • First install a new hard drive • Existing drive is giving errors • Suspect a virus has attacked the drive • Want to wipe a hard drive clean and install a new OS A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  26. Hands-on Project: Installing a new Hard Drive and Windows 2000 • Set jumpers or DIP switches (primary + master); physically install drive; attach power cord and data cable • Insert Windows 2000 CD and turn on the computer • Follow the instructions to • Partition the hard drive into two partitions, one primary (2GB) and one extended, each contains one logical drive • Format the logical drive C • Install Windows 2000 to drive C A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  27. Jumper Settings A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  28. Jumper Settings (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  29. Jumper Settings (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  30. Mounting the Drive in the Bay A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  31. Mounting the Drive in the Bay (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  32. Mounting the Drive in the Bay (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  33. Mounting the Drive in the Bay (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  34. Mounting the Drive in the Bay (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  35. Mounting the Drive in the Bay (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  36. Mounting the Drive in the Bay (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  37. Mounting the Drive in the Bay (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

  38. Using Windows to Partition and Format a New Drive • Boot from Window setup CD • Follow on-screen directions to install Windows on new drive • The setup process partitions and formats new drive before it begins Windows installation A+ Guide to Managing and Maintaining Your PC, Fifth Edition

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