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I found an old (pre My Book) WDC external drive (I was on the development team) that has a built-in powered hub. This makes the MS20 work. The iPad must be "looking" at how much power a device says it will require or whether it is a self-powered device or bus-powered device, or both. Other sources ...

I made up the Y cable and I still get the power fault with no successful operation on the iPad. If someone has it working, post the details. If using a powered hub, which one? My MS-20 has never been verified on my system as I haven't installed the software yet. However it is recognized as a USB ...

With the new 4.x OS Apple restricted Vbus sourcing to 20mA max. With the older OS you had 100mA. So an isolated Vbus 5V source or powered hub will be necessary to power the MS20 or whatever you intend to connect. Note - a common Y cable for hard drives is not appropriate, as you want to isolate the ...

I just received a MS20 controller as part of the Legacy kit. It does not function with the iMS20 due to the power fault. I would like confirmation of just what reliably works. Does a powered hub? A Y cable (aux to charger or pc)? Is the ipad choking due to the power, or is it that it refuses to ...