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A comment on Is Sony's 140MB MiniDisc Drive the Next Betamax? (1996).

Re:Is Sony's 140MB MiniDisc Drive the Next Betamax? (1996) by hypnoscripto on Sunday June 13, 2021 @06:59AM (#27491541)
Is this what Gamecube used?
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Re:Is Sony's 140MB MiniDisc Drive the Next Betamax? (1996) by hinoki on Sunday June 13, 2021 @07:09AM (#27491576)
GameCube used a mini DVD, but broke with the standard by using constant angular velocity instead of constant linear velocity. So the drive always spun at the same rpm, where regular DVDs spin slower the closer they read head is to the centre. This made them cheaper to make, and impossible to copy with a regular DVD burner.
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Re:Is Sony's 140MB MiniDisc Drive the Next Betamax? (1996) by aahacks on Monday June 14, 2021 @08:13PM (#27509948)
GameCube can play backups from a burner. It requires either a modchip or Swiss with Action Replay. Also a laser adjustment may also be needed.

https://www.youtube.com/watch?v=kUQ1GFPG9q0

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Re:Is Sony's 140MB MiniDisc Drive the Next Betamax? (1996) by rijoja on Sunday June 13, 2021 @07:08AM (#27491573)
no
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Re:Is Sony's 140MB MiniDisc Drive the Next Betamax? (1996) by rijoja on Sunday June 13, 2021 @02:16PM (#27494885)
What is with the downvotes? My answer is correct.
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