11-22-2007, 11:07 AM
This is confusing me, any one else experience anything like this or know what might be happening?
Until recently I had my iMac upstairs running Tiger. Connected to the iMac was a USB drive which has a 3 port USB hub on the back of it. I would then attach my Sony PSP to this hub and a couple of times a week I'd download about 4GB's worth of movies onto it with each file being around 500MB. This would only take a few minutes to complete.
However I've now moved the Mac downstairs, set it up exactly as it was but the first thing I did was to install Leopard. Now everything about the Mac seems to work perfectly with no difference between how it used to be running Tiger.....except one thing.
Now when I copy a bunch of films to my PSP it takes about 20+ minutes to complete getting worse the more films I copy at the same time! It's almost as if the bus is running at USB 1.1 speeds.
The thing is, I've not noticed any USB speed loss for anything else, I still pull in my Aperture database and photos from my USB drives, my USB card readers seem to be perfectly okay and the drive with the USB hub on seems to be running at the correct speed as far as I can tell.
Anyone know or heard of any USB speed issues with Leopard? I guess the obvious thing to try is connecting the PSP directly to the Mac and not go through a hub which I will try but this isn't really a long term solution for me as the USB cable for the PSP is stupidly short and all my USB ports are used for external drives so a hub is basically essential to me.