This is master data cartridge rom #1, Yes I have learned from the manual that this cartridge cannot be formatted.
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My main problem which I didn't bring up before is that the dx7 can't read this cartridge and when it does it prompts a format conflict. That's why I tried replacing the battery in the dx7, but it didn't work, I also tried Diagnostic Test (Function+16+32) several times, but it didn't solve anything.
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I see everyone has 10 tests in Diagnostic Test and I only have 8. My dx7 version is 1.8.
