Re: Slooooow USB key speeds

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On Sun, 2009-02-01 at 18:14 -0500, Kanwar Ranbir Sandhu wrote:

> I'm starting to think something is not quite right with the USB key (or
> in the way it's being detected): I tested transferring files to my PSP,
> but didn't see any of the same speed issues. I was able to copy large
> files back and forth without any problems.

More testing with my PSP and the USB stick has revealed large file
transfers (e.g. 1 GB in size or more) destroy the transfer speed.
Transfers start up fast (around 20 MBps), and after a few seconds begin
to drop.

The difference being the Kingston USB stick drops to 1 MBps or less,
whereas the PSP is able to maintain a speed of around 6.5 MBps.  Both
devices connect at hi-speed (480 Mbps).

Anyone know what's going on?

Regards,

Ranbir

-- 
Kanwar Ranbir Sandhu
Linux 2.6.27.12-170.2.5.fc10.x86_64 x86_64 GNU/Linux 
20:00:01 up 3 days, 21:11, 2 users, load average: 2.41, 0.87, 0.47 


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