Re: usb question

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From: "Don Phillipson" <e925@xxxxxxxxxxxxxxxx>
Date: Sat, 25 Oct 2008 08:58:03 -0400

"rb" <rbig@xxxxxxxxxxxxx> wrote in message
news:%23DEZ0glNJHA.588@xxxxxxxxxxxxxxxxxxxxxxx

Do those usb hard drives work on a lot of pcs with power coming through

USB

cable?

All hard drives require a DC power supply (not AC mains.)
Many USB external drives (all of large capacity) are sold
with their own DC converter. In theory any USB device
can be powered through the USB connector, but it is
imprudent to use this for a hard drive (as distinct from a
flash or chip memory unit.)

--
Don Phillipson
Carlsbad Springs
(Ottawa, Canada)

.

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