A good choice is to put base address at hex 300, 310, or 320 (decimal 768, 784, 800). ... External interrupt control is provided so that the user can select any of the IBM PC interrupt levels ... This clock is used to update the PCa#39;s time and date functions automatically, thus eliminating DOS prompts for manual entry upon poweranbsp;...
|Title||:||Control system interfaces|
|Author||:||Michael F. Hordeski|