4 ms·

> speed limiters on CPUs What?

• david-given 10y ago
  From the old mainframe days, when you bought machines by, basically subscription --- you paid for a support contract and the hardware was usually provided as part of that. Different grades of support contract gave you different classes of machine, but frequently all the hardware was the same, just with bits disabled. If you upgraded your contract, they'd send a tech round who would flip some switches inside and, say, double your clock speed, or enable some more CPUs, etc.
  • DiabloD3 10y ago
    Aka the IBM model.