Hubot Disk Controller Board

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Disk Controller Board

The Hubot Disk Control Board is the main system I/O board for Hubot.

This board controls the floppy disk drives (Usually 1 drive, with upgraded units having two) for 5.25" 360K Dual Density disks. It also controls the two serial ports.

Board[edit | edit source]

  • WDC FD1793PC Floppy Disk Controller w/WD1691PE
  • Z80A CTC Counter/Timer Chip
  • (2x) Z80A SIO Serial Chip

Power Regulator[edit | edit source]

The board contains a large relay that switches power to an on-board 7805 +5V regulator. This is believed to be a form of power management to save power.[1]

References[edit | edit source]