Bytecc 2.5" External Drive Enclosure - bus power supplies enough juice?

James Knott james.knott-bJEeYj9oJeDQT0dZR+AlfA at public.gmane.org
Thu Mar 9 10:48:42 UTC 2006


Walter Dnes wrote:
> On Wed, Mar 08, 2006 at 12:52:19PM -0500, Daniel Armstrong wrote
>> Are these external drive enclosures that draw power from the USB ports
>> getting enough juice to run properly?
> 
>   On a related topic, my "offsite backup" routine uses 2 "shirt-pocket"
> USB drives.  I always have 1 sitting in my safety deposit box at the
> bank.  Every couple of months, I update a drive at home, and swap it
> with the drive in my safety deposit box.
> 
>   My experience is that standard 6-foot USB cables will work with a
> USB card-reader, but will *NOT* work with an external USB drive.  A
> short 2-foot USB cable works fine with the external USB drives.  I don't
> know if there are multiple standards for USB cables, or if it's simply
> less power loss due to shorter length.  It is a bit of a PITA, because
> I have my machine off to the side of the table, and I have to crawl on
> the floor to connect the short cable.  Thank goodness that the computer
> has USB connectors on the front.  Getting to the back is painfull.
> 

Don't forget there's USB 1 & 2.  Perhaps that 6' cable is only good
enough USB 1.  I've used my exteranl drive at the end of a 3' cable and
a 10' extension (13' total).

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