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9/25/98 C. Edward Chow
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Demystify Computer System Configuration/Upgrade
C. Edward Chow
Department of Computer Science
CU Colorado Springs
email: chow@cs.uccs.edu
http://www.cs.uccs.edu/~chow
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Outline of the Talk
• Overview of the computer system architecture
• Apply Amdal’s Law for system performance/cost trade-off
• Current trend in computer architecture
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Personal Computer System
DisplayChassis
Keyboard/Mouse
A container:Power SupplySound Card
CPUMemory
Hard DriveFloppy Drive
CD-ROM/DVDModem
Video Capture
Printer
Scanner
Speaker
Camcorder
Output Devices
Input Devices
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Laptop Portable Computer
Clamp-on Video Camera
Headset/Microphone
LCD Display (14.1-12.1”)
Select Bay:24xCD-ROM/DVD
FloppyBattery
2nd Hard Drive(2-8GB)
PC Card SlotsModem CardNetwork Card
PentiumII Mobile Processor (300-200MHz)
Twice expensive; Less speed; Mobile!
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Choices of Display Devices
CRT Monitor(Cathode Ray Tube)
Display
LCD Monitor(use less desk space, e.g. 6.7” depth compared with 15.9” for 15” CRT)(less radiation)(very expensive)
Screen Typical Resolution Diagonal Row * Column Cost Length (in pixels)
Monitor 15” (13.8”) 1024 * 758 $158 17” (15.7”) 1024 * 758 $219 19” (17.7”) 1600 * 1200 $445 21” (19.7”) 1600 * 1200 $999
LCD 15” 1024 * 758 $1150
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Choices of Color Printers
Inject Printer
Laser Printer(crisp sharp and will not diffuse as some of the inject printers when touched with water)
Print Speed Resolution Pages/min (PPM) Dots/in (DPI) Color Black Horizontal Vertical Cost
Inject 1.5 4 600 * 300 $148 2.5 6 1200 * 600 $168
Laser BW 6 600 * 600 $380
Color 3 12 600 * 600 $2000
4 16 1200 * 1200 $3550
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Choices of Color Scanners
The top three are Flatbed Scanners. There exist hand-held/card scanners.*: There are multifunction systems for Small Office Home office (SOHO) (including fax, color printing, color copying, and color scanning functions) that can perform color scan on individual sheet.
Color Maximum ResolutionDepth Document Size Dots/in (DPI)bits/pixel Accepted Horizontal Vertical Cost
30 letter 300 * 600 $7730 8.5x13” 600 * 1200 $26036 letter 600 * 600 $272
Multifunction System*24 legal 300 * 300 $37030 legal 300 * 300 $970
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What are in the “tower”?
tower
CPU Memory
DiskModem
I/O Bus (PCI/ISA Bus)
System Bus
Chassis
Motherboard
L2 cache
SoundCard
Graphic Accelerator
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Choices of CPU Compatible Processor In Package System Clock Rate L2 Cache Size Bus CostPentium II 450MHz 512KB 100MHz $740 400MHz 512KB 100MHz $535 350MHz 512KB 100MHz $340Celeron 300MHz 128KB 66MHz $172Overdrive 200MHz 32KB(L1) 66MHz $171
KinstonTurbo Chip 200MHz 64KB(L1) 66MHz $156
AMD K6-2 350MHz 64KB(L1) 100MHz $254 300MHz 64KB(L1) 100MHz $139
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Choices of Mother Boards System Bus Max DRAM Speed Size Pin Type Cost
SE440BX 100MHz 384MB 168Dimm $180
TITAN 66MHz 256MB 168Dimm $89TURBO 72SimmAT-2 PENTINTEL430TX
100 MHz Bus support Acelerated Graphic Port (AGP)
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AGP: Accelerated Graphics Port technology
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Choices of Memory
Main Memory (DRAM: Dynamic RAM)• 32MB Dimm 60ns $60• 32MB Simm 60ns $47
Cache Memory (SRAM: Static RAM)• 256KB $35• 512KB $60
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Amdal’s Law
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Let us play the computer system upgrade game
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Trend in Computer Architecture