[Thinkpad] High Power USB Port

[Donald MacQueen]

RWM wrote:

So my understanding is that this has nothing to do with the USV 1.1 
versus USB 2.0, no?

>Right; I use a hydra cable that draws power from two USB and/or the DIN 
>connector at rear of the Ultrabase.
>
>Rob Bell wrote:
>  
>
>>One can get a dual-ended USB cable that allows the drive to draw power 
>>from two USB ports.  Often the USB drive enclosures come with these 
>>types of cords.
>>
>>Be aware that you can trash a disk if you try to run it in an external 
>>enclosure with too little power.  I toasted a 2.5" laptop drive this way 
>>a month or so ago.
>>
>>Rob
>>
>>RWM wrote:
>>
>>    
>>
>>>On my X22/23/24, I've had no trouble with external USB drives up to 40b, 
>>>but the 7k 60Gb and 100Gb drives tend to require aux power.  Could be 
>>>I've just been lucky.  Also, FWIW, I do note anecdotally that with USB 
>>>drives and other accessories like Pocket PCs that the rear USB ports 
>>>"seem to" dish more power than the side ports.  Never put a meter on 
>>>them, though.
>>>
>>>- RWM
>>>
>>>Bruce Markowitz wrote:
>>>
>>>
>>>
>>>      
>>>
>>>>The X20-24 series had low power ports, and would not run any kind of an
>>>>external drive. The X31 has high power ports, as do all the T4X units I have
>>>>seen. The RIGHT side port on the X41 is low power, the LEFT port will run
>>>>external drives. Go figure.
>>>>----- Original Message ----- 
>>>>From: "Donald MacQueen" <dmacq at erols.com>
>>>>To: "Thinkpad list" <Thinkpad at stderr.org>
>>>>Sent: Saturday, February 03, 2007 10:49 PM
>>>>Subject: [Thinkpad] High Power USB Port
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>        
>>>>
>>>>>I was in Circuit City today looking at a Sandisk USB drive.
>>>>>
>>>>>The box said that it required a "High Power USB Port".
>>>>>
>>>>>What is that, and how do I know if my TP has one?
>>>>>          
>>>>>
>
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