PNROM

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The board NES-PNROM (and HVC-PNROM) is a PxROM board using the Nintendo MMC2 mapper.

Overview

  • PRG ROM size: 128 KB (DIP-28 Nintendo pinout)
  • PRG ROM bank size: 8 KB
  • PRG RAM: none
  • CHR capacity: 128 KB (DIP-32 Nintendo pinout)
  • CHR bank size: 4 KB
  • Nametable mirroring: Vertical or horizontal, controlled by program
  • Subject to bus conflicts: No

Variants

This board is used in the re-issue of Punch-Out!! without Mike Tyson. It is identical to PEEOROM except that PNROM lacks the ability to use EPROMs.