NES 2.0 Mapper 527 is used for a bootleg version of Taito's 不動明王伝 (Fudō Myōō Den). Its UNIF board name is UNL-AX-40G. The original INES Mapper 207 is replaced with a VRC2 clone (A0/A1, i.e. VRC2b) while retaining Mapper 207's extended mirroring. Accordingly, CHR A17 is connected to CIRAM A10.