TSROM

TSROM (NES-TSROM and HVC-TSROM) is a common board within the TxROM set. Like other TxROM boards, TSROM uses the Nintendo MMC3 ASIC.

Overview

• PRG ROM size: 128, 256 or 512 KB (DIP-28/32 Nintendo pinout)
• PRG ROM bank size: 8 KB
• PRG RAM: 8 KB
• CHR capacity: 128 or 256 KB ROM (DIP-32 Nintendo pinout)
• CHR bank size: 1 KB and 2 KB
• Nametable mirroring: Controlled by mapper
• Subject to bus conflicts: No

Notice : This board is identical to TKROM with PRG RAM data retention disabled. Nintendo used this board instead of TKROM for games wich doesn't save data in the PRG RAM to keep the board smaller, and saving costs.

See also

• Nintendo MMC3