CHS, dummy standards

• • IBM/DFSee style:
  • • Use maximum valid values for all fields
    • Typical values on 255/63 geo : C:1023 H:254 S:63
  • PowerQuest (partition magic) style:
  • • Use maximum value for Cylinder only, rest real value
    • Typical start on 255/63 geo : C:1023 H:0 S:1
    • Typical end on 255/63 geo : C:1023 H:254 S:63
  • Microsoft style:
  • • Use maximum (invalid) values for all fields
    • Typical values on 255/63 geo : C:1023 H:255 S:63
    • This leads to a combined CHS value of 0xFFFFFF