Category Archives: Game Boy

Posts related to the Nintendo Game Boy.

Sachen 4B Mono Mapper

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This information is superseded, see Sachen Mappers. I thought I might as well update that within hours of opening my 4B-007 cartridge I managed to dump it. Basically, the mapper has at least four registers. Lock register: Whether the mapper is unlocked or not, see below 0x0000-0x1FFF: base ROM bank… Read more »

Opening Sachen “4 in 1” 4B-007

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So I recently acquired a Sachen game, 4B-007 “4 in 1”. Of course, I had to open it somehow to look inside… Cartridges are a bit smaller than regular Game Boy cartridges and they lack a screw at the back. So with no easy way to open it and prying… Read more »

TAMA5 update

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So I took the time to look at all my cartridges now. So far all have the same PCB serial, 020309E4-01-1. Other data in the following table. ROM (TAMA7) MCU (TAMA6) Interface (TAMA5) B9748 43903A 9752H 9749 EAH1 B9748 43906A 9730H 9726 EAA1 C9749 43896B 9731H 9725 EAD1 J9748 43860A… Read more »

Small 2014 update

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So I’ve been somewhat busy tracking down some unconfirmed Gameboy cartridges from the no-intro set. Glad to say that right now only German Pokémon Yellow is missing from German DMG games 🙂 Have some other games in store I dumped and forgot about, but will commit them to DoM soon… Read more »


      Comments Off on Procrastination

Yeah, so I uh.. procrastinated a little with everything here 🙁 Anyway, I totally had time today to fix some things up on this site, but as you can see, still no magic header image rotation 😐 I was busy doing important™ stuff™ for university, like working towards my M.Sc…. Read more »