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Package QFP100R
First use 1995 ?
Used on MV1B ...

Chip found on late MVS boards and next to the DIP switches on ROM-Only boards.


Edit this pinout

  • DIPRD0 and DIPRD1 go to a NEO-BUF chip to gate the remaining DIP switch bits and RTC inputs
  • Pin 85 might be an input
  • No memory card control signals ?