Mr. Driller 2 (DR21/Japan) to Mr. Driller 2 (DR23/USA) System 10 Conversion

[Pr3tty F1y]

This is probably the lowest effort "conversion" that I've done and I debated even posting it, but in case anyone wants to do the same thing - per the MAME source, it looks like most System 10 games share the same security chip across multiple regions so region conversion comes down to just a simple ROM swap.

In this case, it's only the SSOP56 Intel DA28F640J5 chip at location F0 on the ROM board. Truthfully, being that it's a flash eeprom, I probably could have just erased and reprogrammed the DR21 chip, but I don't like messing with original ROMs if I don't have to.

Used the SSO-056 adapter on my Xgecu T56 with a Intel DA28F640J5 chip sourced from AliExpress.

 

[twistedsymphony]

Nice to see, and thanks for sharing.

FYI the USA version of this game is incredibly rare, I don't think it ever got released beyond a location test, I'm the one who tracked down the board and had it dumped for MAME, so now yours likely shares the serial number with my board

 

[Pr3tty F1y]

Nice to see, and thanks for sharing.

FYI the USA version of this game is incredibly rare, I don't think it ever got released beyond a location test, I'm the one who tracked down the board and had it dumped for MAME, so now yours likely shares the serial number with my board

That's awesome. Thank you very much for getting it dumped! I definitely appreciate it

And yes, it is now the same serial number as the DR23 set in MAME and, hence, your board S/N. 025571-210135