IMD 203 - Ch08
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This chapter discusses hard drive technologies and how to install and troubleshoot hard drives. It begins by explaining how floppy drives are logically organized similarly to hard drives. It then covers hard drive components and technologies like platter disks, read/write heads, and interfaces. The chapter explains how to install a hard drive and solve problems, as well as hard drive formatting, capacities, and interface standards like ATA, SCSI, and USB.
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The document discusses the floppy disk interface. It has three main components - the floppy drive controller, power cable, and control/data cable. The floppy drive controller was originally a separate expansion card but is now integrated into the motherboard using a super I/O chip. The control/data cable has 34 pins to carry data between the computer and floppy drive. It describes the roles and pinouts of the cable. Installing the interface properly helps avoid problems like the "phantom drive" issue.
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Hard disks are organized into tracks and sectors through low-level formatting. Partitions divide the hard disk into separate areas that function as individual drives. High-level formatting defines the file allocation table (FAT) for each partition to locate files. Common storage devices include IDE/EIDE and SCSI hard drives, floppy disks, and CD-ROMs. RAID configurations provide fault tolerance through disk redundancy and parity.
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Computer hardware servicing lesson 2:Perform Mensuration And Calculation
This document provides information about computer hardware servicing and digital presentation. It defines common computer terms like bit, byte, booting, electronic storage, interfaces, laser, magnetic storage, memory modules, operating systems, and optical storage media. It also describes different types of computer hardware like hard disk drives, floppy drives, optical drives, external flash drives, and drive interfaces. The document includes exercises to match terms with definitions and convert decimal numbers to binary.
Computer Hardware.ppt
The document provides information about the key components and development of the first IBM personal computer (PC) in 3 paragraphs. It discusses that IBM needed an 8-bit processor that could support over 256KB of memory, a single-user operating system that could work with floppy disks. It then describes that Intel released the 8086 processor but it failed in the market, so they modified it into the 8-bit 8088 processor, which IBM used for the first PC configuration along with 256KB of RAM, 2 floppy disk drives, MS-DOS operating system, and other components.
Computer Hardware.ppt
The document provides information about the key components and development of the first IBM personal computer (PC) in 3 paragraphs. It discusses that IBM needed an 8-bit processor that could support over 256KB of memory, a single-user operating system that could work with floppy disks. It then describes that Intel released the 8086 processor but it failed in the market, so they modified it into the 8-bit 8088 processor, which IBM used for the first PC configuration along with 256KB of RAM, 2 floppy disk drives, MS-DOS operating system, and other components.
Computer Hardware.ppt
This document provides a high-level summary of the key components and development of personal computers from their origins to modern configurations. It begins with the birth of the personal computer from earlier home and microcomputers. It then discusses the key components that enabled the first IBM PC, including the Intel 8088 processor, Microsoft's MS-DOS operating system, and early specifications. The document proceeds to outline the development of processors, operating systems, memory and hardware over time. It concludes with descriptions of modern motherboard components, ports, and power supply systems.
Computer Hardware for computer enthusiast.ppt
Overview: This presentation provides a comprehensive guide to assembling your own computer.
Purpose: Understand the process and benefits of building a custom PC.
Key Points: Importance of component understanding and the advantages of customization.
Computer Hardware.ppt
The document provides information about the key components and development of the first IBM personal computer (PC) in 3 paragraphs. It discusses that IBM needed an 8-bit processor that could support over 256KB of memory, a single-user operating system that could work with floppy disks. It then describes that Intel released the 8086 processor but it failed in the market, so they modified it into the 8088 which IBM used for the first PC configuration, which also included 256KB of RAM, 2 floppy disk drives, and the MS-DOS operating system developed by Microsoft.
Similar to IMD 203 - Ch08 (20)
Computer hardware servicing lesson 2:Perform Mensuration And Calculation
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- 1. A+ Guide to Managing and Maintaining your PC, 6e Chapter 8 Hard Drives
- 6. Figure 8-4 3 1 -inch, high-density floppy disk showing tracks and sectors
- 7. Figure 8-5 Inside a floppy disk drive
- 9. Figure 8-6 Clusters, or file allocation units, are managed by the OS in the file allocation table, but BIOS manages these clusters as one or two physical sectors on the disk
- 11. Figure 8-8 Connect colored edge of cable to pin 1
- 13. Figure 8-10 Inside a hard drive case
- 14. Figure 8-11 A hard drive with two platters
- 16. Figure 8-13 Floppy drives and older hard drives use a constant number of sectors per track
- 17. Figure 8-14 Zone bit recording can have more sectors per track as the tracks get larger
- 23. Table 8-1 Summary of ATA interface standards for storage devices
- 25. Figure 8-16 A PC’s hard drive subsystem using parallel ATA
- 26. Figure 8-18 A hard drive subsystem using the new serial ATA data cable
- 28. Figure 8-21 The 137-GB barrier existed because of the size of the numbers used to address a sector
- 30. Figure 8-22 A motherboard has two IDE channels; each can support a master and slave drive using a single EIDE cable
- 31. Figure 8-25 Rear of a serial ATA drive and a parallel ATA drive
- 33. Figure 8-28 Using a SCSI bus, a SCSI host adapter can support internal and external SCSI devices
- 36. Figure 8-31 This CrossFire hard drive holds 160GB and uses a 1394a or USB 2.0 connection
- 40. Figure 8-32 Plan for the location of drives within bays
- 42. Figure 8-33 A parallel ATA drive most likely will have diagrams of jumper settings for master and slave options printed on the drive housing
- 43. Figure 8-41 Connect a power cord to each drive
- 45. Figure 8-45 Standard CMOS setup
- 47. Figure 8-48 This motherboard has four serial ATA connectors
- 48. Figure 8-49 American Megatrends, Inc. CMOS setup screen shows installed drives
- 50. Figure 8-52 Hard drive installed in a wide bay using a universal bay kit adapter
- 58. Table 8-4 Floppy drive and floppy disk errors that can occur during and after the boot
- 59. Table 8-4 Floppy drive and floppy disk errors that can occur during and after the boot (continued)