Transcript
A+ Guide to Managing and Maintaining Your PC Fifth Edition
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
How to troubleshoot multimedia and mass storage devices A+ Guide to Managing and Maintaining Your PC, Fifth Edition
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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
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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
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Multimedia Devices Sound cards Digital cameras MP3 players Video capture cards
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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
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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
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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
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Layout of Sectors on a CD
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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
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Installing a CD Drive
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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
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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
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DVD Drive
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DVD Devices
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Installing a DVD Drive
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Installing a DVD Drive (continued)
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Installing a DVD Drive (continued)
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Installing a DVD Drive (continued)
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Installing a DVD Drive (continued)
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Installing a DVD Drive (continued)
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JumpDrive
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Basic Disks and Dynamic Disks
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Windows Support for RAID
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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
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Hardware RAID
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