OK, thanks for the correction.

Maybe I should have said "any external 2.5" 5400 RPM drive".


Stuart Biggar wrote:
>> There's nothing about either the T43 or this LaCie drive that would
>> cause any incompatibility between them. Only one USB cable is needed,
>> because a singe USB port on any T4 series Thinkpad provides sufficient
>> power for any external 2.5" drive.
> 
> 
> That is not my experience.  I have a Lacie enclosure with a 7200 RPM
> Hitachi 2.5" laptop drive.  The drive will NOT spin up correctly when
> plugged into a USB port on my T43p.  It works fine when powered
> by a provided Lacie power wall wart (quite small) and then plugged
> into either of the two USB ports on my T43p.  It does work OK
> when powered through a 6-pin Firewire connection with an iMac but
> does not work correctly with only the USB connections on an iMac.
> The Lacie enclosure supports 400 MB firewire (standard 6-pin
> socket) and USB.
> 
> A different Lacie enclosure with a slow 1.8" 60 GB disk works fine on
> the T43p USB without an external supply.  It is rated to draw no more
> than 0.5 Amp total.  I think that the spec for power from a standard
> USB/2 port is 0.5 Amp (I have read that but I've not read the actual spec).
> Spin up current draw according to the spec on the 7200 RPM Hitachi
> is 1 amp ...
> 
> Stuart
> 
>>
>> Peter Marquis-Kyle wrote:
>>>  I am considering the LaCie mobile hard drive, 320GB, USB 2.0 (LAC1138)
>>>  for use with my ThinkPad T43. The specifications don't say what make of
>>>  drive is in this unit, but do say it's a 5400RPM drive with 8MB cache.
>>>
>>>  Can anybody confirm from experience that this drive will start and run
>>  > with just a USB cable connected to a T43?
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