OPTi 82C392 (DBC)
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Chipset part
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notes Notes

82C392 Data Buffer Controller (DBC)

Features:

  • Data Bus Conversion
  • Parity Generation/Detection
  • AT-BUS direction control
  • Reset logic
  • Clock source for 206 and 8042
  • Chip select for Keyboard Controller and ATC
  • Speaker Control
  • Port B, 70H and NMI logic
  • Numerical Processor Interface
  • Keyboard reset and Gate A20 emulation logic
Last updated 2025-02-12T12:59:22Z

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