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ForumsSega Master System / Mark III / Game GearSG-1000 / SC-3000 / SF-7000 / OMV |
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Mark III cartridge on a PAL SMS
Posted: Wed Dec 29, 2021 1:22 am
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Hi at all
I'm Toshio from Italy, i ask an information to playing the Mark III cartidge on a western, Master System. Any possibility to playing the Mark III / MK-2000 cartridge, on a CCIR (PAL) Sega Master System? On the net i don't find any information on this. Why anyone not prototyping a reverse adaptor for this? Are a severe hardware problem to built one? Thanks again, Greetings, Matt |
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Posted: Wed Dec 29, 2021 5:11 am |
No problems at all, I built one. | |
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Posted: Wed Dec 29, 2021 6:28 am |
Thanks kamille, you have the pinout of this adapater or how to buit one? But any problems withe the internal BIOS? Thanks, Toshio |
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Posted: Wed Dec 29, 2021 6:34 am |
https://www.smspower.org/forums/16912-SG1000SC3000MarkIIIJPSMSRArrExportSMSRArrG...
The bios will refuse to boot many games, because they do not match the checksum. In that case, a flash cart approach would be necessary. You'd need to boot a fake, checksum matching "cart" and then run the actual game. |
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Posted: Wed Dec 29, 2021 7:07 am |
Thanks kamille.
I'm happy is possible to built this adaptor. If i have another doubt i posted here. 16811-ThanksToThisSiteFinallyMadeAWorkingMarkIIISMSConverter Thanks, Toshio |
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Posted: Thu Feb 24, 2022 9:23 am |
I made this adapter to circumvent the BIOS checks:
https://www.smspower.org/forums/18921-SG1000SC3000MarkIIIAdapterToMSNoBIOSMod |
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