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Chapter 11 Multimedia Devices and Mass Storage 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

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chapter 11

Chapter 11

Multimedia Devices and Mass Storage

you will learn
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

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

multimedia on a pc
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

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

cpu technologies for multimedia
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)

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

multimedia devices
Multimedia Devices
  • Sound cards
  • Digital cameras
  • MP3 players
  • Video capture cards

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

sound cards
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)

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

installing a sound card
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

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

installing a sound card continued
Installing a Sound Card (continued)

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

installing a sound card continued9
Installing a Sound Card (continued)

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

digital cameras
Digital Cameras
  • Scan field of image and translate light signals into digital values
  • Use TWAIN format for transferring images

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

a flash ram card
A Flash RAM Card

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

mp3 players
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

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

a typical mp3 player
A Typical MP3 Player

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

compression methods used with mp3 players
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

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

how mp3 players work
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)

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

video capture card
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

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

optical storage technology
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

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

slide18
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

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

layout of sectors on a cd
Layout of Sectors on a CD

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

how a cd drive can interface with the motherboard
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

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

installing a cd drive
Installing a CD Drive

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

cd r and cd rw
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

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

dvd digital video disc
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

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

dvd drive
DVD Drive

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

dvd devices
DVD Devices

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

installing a dvd drive
Installing a DVD Drive

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

installing a dvd drive continued
Installing a DVD Drive (continued)

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

installing a dvd drive continued28
Installing a DVD Drive (continued)

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

installing a dvd drive continued29
Installing a DVD Drive (continued)

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

installing a dvd drive continued30
Installing a DVD Drive (continued)

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

installing a dvd drive continued31
Installing a DVD Drive (continued)

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

hardware used for backups and fault tolerance
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

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

tape drives
Tape Drives
  • Advantages
    • Inexpensive and convenient
    • Large capacity
    • Several types and formats
  • Disadvantage
    • Sequential access

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

tape drives continued
Tape Drives (continued)

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

how a tape drive interfaces with a computer
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

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

external tape drive using a parallel port
External Tape Drive Using a Parallel Port

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

an atapi tape drive
An ATAPI Tape Drive

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

tapes used by a tape drive
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

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

minicartridge
Minicartridge

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

removable drives
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

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

types of removable drives
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

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

ibm microdrive
IBM Microdrive

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

jumpdrive
JumpDrive

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

iomega hdd drive
Iomega HDD Drive

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

zip drives
Zip Drives

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

installing a removable drive
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

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

fault tolerance dynamic volumes and raid
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

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

dynamic volumes under windows
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

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

basic disks and dynamic disks
Basic Disks and Dynamic Disks

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

windows support for raid
Windows Support for RAID

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

ways hardware can support a raid array
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

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

hardware raid
Hardware RAID

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

troubleshooting guidelines
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

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

summary
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

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