This is a prototype version of the Nintendo Power GB Memory Cartridge. This particular one is labelled “CS175” and is housed on a development PCB containing the following games: Dragon Slayer 1, Dragon Slayer Gaiden: Nemuri no Oukan, and Bakuchou Retrieve Master.


Screenshot Screenshot Screenshot

ROM Information

----| File Data |--------------------------------------------------
System:             Nintendo - Game Boy     
BitSize:            8 Mbit
Size (Bytes):       1048576
CRC32:              9AFA9506
MD5:                A64B278498940F5157B5CBF3A9F27034
SHA1:               4096B616691AA8C80BC5133D914982CC00B40A6E
SHA256:             1ED0905357DECC9B100F1045E6391E3BDFDEFCA40B786BBBCBA87F4A47DEDD60
----| Header Data |------------------------------------------------
Entry Point:        0x0150C300
Logo Code:          Ok
Title:              NP M-MENU  MENU€
New Licensee Code:  01 (Nintendo)
SGB Support:        0x03 (Yes)
Cartridge Type:     0x19 (ROM + MBC5)
ROM Size:           0x02 (Bad; 1 Mbit; 131072 Bytes)
RAM Size:           0x00 (None)
Old Licensee Code:  0x33
Version:            0x00 (v1.0)
Header Checksum:    0xD3 (Ok)
Global Checksum:    0x19E8 (Bad; 0xE370)

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 Nintendo Power GB Memory Cartridge (CS175) (Prototype)