This is a prototype version of the Nintendo Power GB Memory Cartridge. This particular one is labelled “CS174” and is housed on a development PCB containing a copy of Yu-Gi-Oh! Monster Capsule GB.

Screenshots

Screenshot Screenshot Screenshot

ROM Information

----| File Data |--------------------------------------------------
System:             Nintendo - Game Boy       
File:               NP_1MB_ROM_Backup_2021-06-08_12-29-48.gb
BitSize:            8 Mbit
Size (Bytes):       1048576
CRC32:              1371E872
MD5:                B980DA92693762BD3A7A4791FE08766E
SHA1:               4ED5607DD83EBE7975C492B08D36870F8DD6E302
SHA256:             DAF4055A1E873944130B0E3E4A61ED9991831FB66A7C91AE52FCA7DA0E2D61DB
----| Header Data |------------------------------------------------
Entry Point:        0x0150C300
Logo Code:          Ok
Title:              YU-GI MCGB AYCJ€
New Licensee Code:  A4 (Konami)
SGB Support:        0x03 (Yes)
Cartridge Type:     0x1B (ROM + MBC5 + RAM + BATTERY)
ROM Size:           0x05 (Ok; 8 Mbit; 1048576 Bytes)
RAM Size:           0x03 (256 Kbit)
Old Licensee Code:  0x33
Version:            0x00 (v1.0)
Header Checksum:    0xCE (Ok)
Global Checksum:    0x40B0 (Ok)

Board / Cartridge Images

Cart Front
Cart Top

PCB Front PCB Back

Special Thanks

Massive thanks to Mizuho and two other anonymous users for sending this in for release!



Download

Download Nintendo Power GB Memory Cartridge (CS174) (Prototype)