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					             IT Hardware



Left: The on-board L2 cache.
Right: The Pentium® Pro processor core with 5.5 million transistors.


                         Source: Intel
Motherboard: memory
      bus , chipset, CPU,
                          components
Motherboard: bus system

      data bus
      address bus
      system/control bus
     expansion slots
     ISA, EISA, VESA,SCSI, PCI, AGP
     How local bus works? PCI vs VESA
     Bus speeds: Pentium 4 and
     AthlonXP
Motherboard: chipset
    components of the chipset
       memory controller
       I/O controller
       bus controller
       cache controller
   chipset desirable features
       EDO (Extended Data Out) RAM
       Pipeline Burst (Synchronous) SRAM cache
       PCI local bus
        APM (Advanced Power Management)
       ECC (error correction code) or no ECC?
   types of chipsets
          Main Memory
basic concepts
   memory banks (0,1,2): 64 Meg to 1 Gig
   SIMMs (single in-line memory modules), DIMMS (dual in-
    line memory modules), SDRAM (synchronous DRAM)
   SIMMs older, DIMMS old, SDRAM newer PCs
   organization: conventional and extended
additional references
   Upgrading memory
   c|net RAM Primer
   PNY Electronics: configure memory
   Crucial memory selector
        Disk drives
Hard-drives
   Overview
   Speed
   Interfaces: IDE, SCSI, SATA, IDE vs SCSI
CD and DVD
   basics: CD standard and DVD standards
   Interface: ATAPI
USB flash drives
   Overview
Disk drive performance

  Fragmentation: overview and defragmentation
  software.
  Compression: overview and file, folder and drives
  compression in Windows.
  Cache: overview and hardware vs. software
  Swap file (paging file): overview and changing its
  size
  File System: NTFS, FAT32, FAT
Others
  graphics cards: BIOS and memory
  monitors: resolution, size, analog vs.
  digital
  printers: ink, laser, color, speed.
  Modems: phone lines, cable and DSL
  scanners
  digital cameras

				
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posted:2/27/2012
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