User:Chris Tyler/HWD101 Scratchpad

This is a draft only!
It is still under construction and content may change. Do not rely on this information.

Topic Outline

• Major components of a digital computer system
  • CPU
  • Memory
  • Storage
  • Network connections
  • I/O busses
• Electrical Power
  • How electrical energy is used in a computer system
  • The relationship between energy consumption and heat
  • AC vs. DC Power
  • Electrical measurement: voltage, current, wattage
  • AC Power
    • Wattage vs. VA
    • 110, 207, 220, and other voltage standards
    • 1-phase and 3-phase electrical supplies
    • AC power connectors
    • Power Conversion Factors, harmonics, and spikes
    • Surge suppression
  • DC Power
    • Common DC power busses
    • Storing and distributing DC power
  • Uninterruptable power supplies
• Cooling
  • Working temperatures
  • Airflow
  • Hot zone/cold zone
• Physical standards
  • PCs
    • Mainboard form factors (ATX, ITX, ...)
    • Internal power connectors
    • Power supplies
  • 19" Rackmount
    • Rack types
    • Mounting systems
    • "u" height designations
  • 23" OCP
    • Rack types
    • Sleds
    • Disaggregation
• Cabling
  • Power
    • AC connector types
    • Cable restrictions
  • Networking - Copper
    • Cable types (Cat4/Cat5/Cat5e/Cat6/twinax)
    • Connector types (e.g. RJ45, SFP+ DA)
    • Cable restrictions (e.g., minimum bend radius)
    • Cable type tradeoffs (power, latency, cost, distance, ...)
  • Networking - Fiber
    • Cable types
    • Connector types
    • Cable restrictions (e.g., minimum bend radius, temperature, ...)
    • Cable type tradeoffs (power, latency, cost, distance, ...)
• Digital data
  • Binary states
  • Numbering systems
  • Coding systems (floating point, characters)
  • Units (byte, kb, mb, gb, pb, eb; kib, mib, gib, pib, eib)
  • Conversions (binary, decimal, octal, hexadecimal)
• Data centre operations
  • Building a rack
    • Installing devices
    • Cabling for power
    • Cabling for data
    • Asset registration and tracking

Lab Equipment

Per group:

1. An open-frame 19" rack with casters (< ~$550)
2. Finger channels
3. Rackmount server case(s) with ATX or ITX motherboards
4. Fibre NICs or SFP+ adapters
5. Fibre cables
6. SFP+ cables
7. Network switch
8. Two PDUs (ideally, at least one should be intelligent)
9. Cagenuts
10. Basic tools
11. Cables (do/should students make their own?)
12. Barcode scanner (< $50)

Per lab room:

1. Ceiling channels?
2. Power
3. Rackmount platform lifter