1. A+ Guide to Managing and Maintaining Your PC Fifth Edition Chapter 11 Multimedia Devices and Mass Storage

2. 2 A+ Guide to Managing and Maintaining Your PC, Fifth Edition You Will Learn… About multimedia devices such as sound cards, digital cameras, and MP3 players About optical storage technologies such as CD and DVD How certain hardware devices are used for backups and fault tolerance How to troubleshoot multimedia and mass storage devices

3. 3 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Multimedia on a PC Goal  To create or reproduce lifelike representations of sight and sound Challenge  Data storage is digital  Sights and sounds are analog

4. 4 A+ Guide to Managing and Maintaining Your PC, Fifth Edition CPU Technologies for Multimedia MMX (Multimedia Extensions)  Used by Pentium MMX and Pentium II SSE (Streaming SIMD Extension)  Used by the Pentium III SSE2  For the Pentium 4 (which can also use MMX and SSE)

5. 5 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Multimedia Devices Sound cards Digital cameras MP3 players Video capture cards

6. 6 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Sound Cards Have ports for external stereo speakers and microphone input May be Sound-blaster compatible Sampling accuracy is critical to performance Stages of computerized sound  Convert from analog to digital (digitize)  Store digital data in compressed data file  Reproduce or synthesize sound (digital to analog)

7. 7 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a Sound Card Process  Physically install card in empty PCI slot on the motherboard  Install sound card driver  Install sound applications software Special considerations for Windows 2000/XP installations

8. 8 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a Sound Card ( continued )

9. 9 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a Sound Card ( continued )

10. 10 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Digital Cameras Scan field of image and translate light signals into digital values Use TWAIN format for transferring images

11. 11 A+ Guide to Managing and Maintaining Your PC, Fifth Edition A Flash RAM Card

12. 12 A+ Guide to Managing and Maintaining Your PC, Fifth Edition MP3 Players Devices that play MP3 files MP3 can reduce size of a sound file as much as 1:24 without much loss in quality

13. 13 A+ Guide to Managing and Maintaining Your PC, Fifth Edition A Typical MP3 Player

14. 14 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Compression Methods Used with MP3 Players MPEG-1 standard  Image compression for business/home applications MPEG-2 standard  Video film compression on DVD-ROM MPEG-3 standard  Audio compression MPEG-4 standard  Video transmissions over the Internet

15. 15 A+ Guide to Managing and Maintaining Your PC, Fifth Edition How MP3 Players Work Play MP3 files:  Downloaded from a PC  Directly from Internet (streaming audio)  Convert files from music CDs into MP3 files (ripping)

16. 16 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Video Capture Card Captures input from camcorder or directly from TV Features to look for:  IEEE 1394 (FireWire) port to interface with digital camcorder  Data transfer rates  Capture resolution and color-depth capabilities  Ability to transfer data back to digital camcorder or VCR  Stereo audio jacks  Video-editing software

17. 17 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Optical Storage Technology Patterns of tiny pits on disc surface represent bits, which are readable by a laser beam Major optical storage technologies  CD-ROM drives Use CDFS (Compact Disc File System) or UDF (Universal Disk Format)  DVD drives Use only UDF

18. 18 A+ Guide to Managing and Maintaining Your PC, Fifth Edition CDs Read-only; data physically embedded into disc surface Store data as pits and lands Use constant linear velocity (CLV) and constant angular velocity (CAV) Look for multisession feature Use precautions when handling

19. 19 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Layout of Sectors on a CD

20. 20 A+ Guide to Managing and Maintaining Your PC, Fifth Edition How a CD Drive Can Interface with the Motherboard EIDE interface (most common) SCSI interface with SCSI host adapter Portable drive; plug into external port on PC

21. 21 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a CD Drive

22. 22 A+ Guide to Managing and Maintaining Your PC, Fifth Edition CD-R and CD-RW CD-R (CD-recordable)  Enables “burning” your own CDs  Cannot edit or overwrite  Bottom of disk is tinted (eg, blue, black); CDs are silver  Inexpensive  Can be read by all CD-ROM drives CD-RW (CD-rewritable)  Allows overwriting old data with new data  Cannot always be read by older drives

23. 23 A+ Guide to Managing and Maintaining Your PC, Fifth Edition DVD (Digital Video Disc) Has large storage capacity (8.5 GB one side; 17 GB both sides) Uses UDF file system Uses MPEG-2 video compression; requires MPEG-2 controller to decode compressed data Stores audio in Dolby AC-2 compression Recently: HD-DVD and read-writable DVDs

24. 24 A+ Guide to Managing and Maintaining Your PC, Fifth Edition DVD Drive

25. 25 A+ Guide to Managing and Maintaining Your PC, Fifth Edition DVD Devices

26. 26 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a DVD Drive

27. 27 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a DVD Drive ( continued )

28. 28 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a DVD Drive ( continued )

29. 29 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a DVD Drive ( continued )

30. 30 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a DVD Drive ( continued )

31. 31 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a DVD Drive ( continued )

32. 32 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Hardware Used for Backups and Fault Tolerance On standalone PCs or small servers  Tapes  Removable drives On a PC connected to file server  Back up data to a file server

33. 33 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Tape Drives Advantages  Inexpensive and convenient  Large capacity  Several types and formats Disadvantage  Sequential access

34. 34 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Tape Drives ( continued )

35. 35 A+ Guide to Managing and Maintaining Your PC, Fifth Edition How a Tape Drive Interfaces with a Computer External  Parallel port with optional pass-through to printer Internal  IDE ATAPI interface External or internal  SCSI bus  USB connection, its own proprietary controller card, or floppy drive interface

36. 36 A+ Guide to Managing and Maintaining Your PC, Fifth Edition External Tape Drive Using a Parallel Port

37. 37 A+ Guide to Managing and Maintaining Your PC, Fifth Edition An ATAPI Tape Drive

38. 38 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Tapes Used by a Tape Drive Kinds of tapes  Full-sized data cartridges  Minicartridges (most popular) Match tapes to tape drives; several standards and sizes exist

39. 39 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Minicartridge

40. 40 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Removable Drives Can be internal or external Advantages  Increase overall storage capacity  Easy to move large files between computers  Convenient medium for making backups  Easy to secure important files Considerations when purchasing  Drop height  Half-life of the disk

41. 41 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Types of Removable Drives Newer  IBM Microdrive  JumpDrive by Lexar Media  Iomega HDD drive by Iomega Older  Iomega 3½-inch Zip drive  SuperDisk by Imation

42. 42 A+ Guide to Managing and Maintaining Your PC, Fifth Edition IBM Microdrive

43. 43 A+ Guide to Managing and Maintaining Your PC, Fifth Edition JumpDrive

44. 44 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Iomega HDD Drive

45. 45 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Zip Drives

46. 46 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Installing a Removable Drive Internal removable drive  Similar to installing a hard drive  For an EIDE drive, set the drive to master or slave on an IDE channel External removable drive  Different process  If a SCSI drive, SCSI host adapter must already be installed and configured

47. 47 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Fault Tolerance, Dynamic Volumes, and RAID Fault tolerance  Computer’s ability to respond to a fault or catastrophe Dynamic volumes  Hard drive configuration that improves performance by implementing fault tolerance and writing data across multiple drives RAID (redundant array of independent disks)  Methods used to improve performance and automatically recover from a failure

48. 48 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Dynamic Volumes under Windows Basic disks and dynamic disks Types of dynamic volumes  Simple volume  Spanned volume  Striped volume (RAID 0)  Mirrored volume (RAID 1)  RAID-5 volume

49. 49 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Basic Disks and Dynamic Disks

50. 50 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Windows Support for RAID

51. 51 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Ways Hardware Can Support a RAID Array Motherboard IDE controller supports RAID Install a RAID-compliant IDE controller card and disable IDE controller on motherboard Motherboard SCSI controller supports RAID, or install a SCSI host adapter that supports RAID

52. 52 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Hardware RAID

53. 53 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Troubleshooting Guidelines Problems with CD, CD-RW, DVD, or DVD-RW installation Troubleshooting sound problems Troubleshooting tape drives  Minicartridge does not work  Data transfer is slow  Drive does not work after installation  Drive fails intermittently or gives errors

54. 54 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Summary Multimedia devices  What they can do  How they work  How to support them Storage devices; installation and troubleshooting  CDs  DVDs  Removable drives  Tape drives