[icon-discuss] Re: Anyone Successfully Using Western Digital Passport Drive?

  • From: "Steve Dresser" <s.dresser@xxxxxxxxxxx>
  • To: <icon-discuss@xxxxxxxxxxxxx>
  • Date: Wed, 16 Apr 2008 11:56:03 -0400

Mark,
I haven't checked the specs, but I'm guessing that the Icon/Braille+ has enough power for a small USB device like a thumb drive, but probably wasn't designed to handle a hard drive, especially if it's power hungry. It would be interesting to know just how much power the Western Digital drives require. 

Steve
----- Original Message ----- From: "Marc Mulcahy" <marc@xxxxxxxxxxxxx> 
To: <icon-discuss@xxxxxxxxxxxxx>
Sent: Tuesday, April 15, 2008 19:51
Subject: [icon-discuss] Re: Anyone Successfully Using Western Digital Passport Drive? 



Many USB drives aren't specifically USB spec compliant and require an
external power supply.  I expect that may be the case if the drive starts
and stops.

USB says that a device can only expect a certain amount of power if it is
connected to one port. Many USB hubs, including those inside laptops, have 
multiple ports, and make the total power for all the ports accessible to a
single device like a CD ROM drive or hard drive.

Marc

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For answers to the most frequently asked questions about Icon and Braille +, Visit 
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For answers to the most frequently asked questions about Icon and Braille +, 
Visit
the LevelStar and APH FAQ pages:
Visit the LevelStar FAQ page at
http://www.levelstar.com/support-faqs.php
Visit the APH FAQ page at
http://sun1.aph.org/webcast/brailleplus2/faq.html

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