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My 2.5 is from a dead laptop but it is a older model. I put it in a USB case I bought made for 2.5 drives. The case has an optional 5V power jack. It will power by USB on a PC, etc no problem but the Arnova will not power it. Once I plugged in the 5V wall wrt to it, the Arnova saw it fine after that. So again my point is I think it depends on how power hungry the drive is on USB power alone.
copyed from the arnova site
|What USB devices work on the tablet?|
Persistence will pay off ,Trust me !!!
Surely mass storage is standard regardless of make...
The USB mass storage device class, otherwise known as USB MSC or UMS, is a protocol that allows a Universal Serial Bus (USB) device to become accessible to a host computing device, to enable file transfers between the two. To the host device, the USB device appears similar to an external hard drive, enabling drag-and-drop file transfers.
The USB mass storage device class comprises a set of computing communications protocols defined by the USB Implementers Forum that run on the Universal Serial Bus. The standard provides an interface to a variety of storage devices.
Some of the devices that are connected to computers via this standard include:
- external magnetic hard drives
- external optical drives, including CD and DVD reader and writer drives
- portable flash memory devices
- adapters bridging between standard flash memory cards and USB connections
- digital cameras
- various digital audio players and portable media players
- card readers
- mobile phones
Devices which support this standard are referred to as MSC (Mass Storage Class) devices. While MSC is the official abbreviation, UMS(Universal Mass Storage) has become common in online jargon.
Cut from Wikipedia
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