We were talking about an Mio I got. It clearly has a bridge rectifier so AC voltage will be fine. Thought I would upload a bunch of info I got with the Mio maybe someone will find it interesting. I also uploaded a copy of a pic of my Mio board.
MIO Upgrades and Fixes
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MIO Docs
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I brought up the question of a reliable scsi to ide board. Does anyone have any suggestions? Here is a pic of the one the seller was using. I do have the ide to cd card board. Just need the converter board.