I have a couple of drives where I use a twin USB-2 cable- one (Blue)
draws the power and he other (Green) is for data. These drives won't
spin up with just one cable.
On 2 Nov 2009, at 14:51, Rick wrote:
That was a trend for awhile. Data and half the power over the firefire
port and the other half of the power over the usb connection. That was
the only way to get enough juice for 7200 rpm drives without using an
external ps.
Rick Emery
www.rickemery.com
________________________________
From: Kerry Soloway <ksoloway@gmail.com>
To: Final Cut Pro L <FinalCutPro-L@yahoogroups.com>
Sent: Mon, November 2, 2009 8:41:10 AM
Subject: [FCP-L] Glyph Portagig hard drive
I had a vendor send me a Glyph Portagig hard drive last week with video
files on it. It is buss-powered so he didn't provide me with the
optional
external power supply. At the office, on a five-year old G5, I was
unable to
read any data, although the System Profiler saw that there was a drive
attached. This was the case with both the FW 800 and USB 2 connections.
So I took the drive home to test it on my recent generation Intel
iMac. In
this case, the System Profiler wouldn't see the driver, however, if I
hooked
up BOTH the FW 800 and USB 2 ports, it seemed like there was enough
power to
access the drive. Although the Profiler didn't see it, I was able to
view it
on the Desktop and access the necessary files, to a degree.
It would copy for several minutes and then stop giving me an error
message
that I disconnected the hard drive. Then it would reappear and continue
copying. In the end, I chose to transfer a few files, eject and
disconnect
the hard drive allowing it to cool down, and then reconnect and
repeat. In
the end I was able to retrieve all of my data but I was wondering if
anybody
else has had a similar experience.
I assume that there was just not enough power getting to the drive to
operate reliably and I have asked for the power supply in order to
test my
theory. Am I missing something?
Kerry
------------ -------
Kerry Soloway
http://www.Nighting aleEditorial. com
201-247-4110 201-247-4110
ksoloway@gmail. com
Fred Friendly Seminars' "Minds on the Edge: Facing Mental Illness" is
airing
in October. "Consuelo Mack/WealthTrack" airs weekly. Both on PBS. Check
your local listings.
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[Non-text portions of this message have been removed]
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With best wishes,
Roger Shufflebottom
Avid Certified Instructor
http://www.bottom-line.tv
Tel: +44 1992 535 031 (UK)
Mobile: +44 7973 543 660
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