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 Post subject: USB 2.0
PostPosted: Fri 10-01-2004 12:02PM 
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Ok, i got my USB 2.0 hardware installed and its all up and running and i have my external HDD hooked up to it, but it doesnt seem to go any faster then when i had it plugged into the other USB port, is there a software upgrade i need as well?

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PostPosted: Fri 10-01-2004 12:11PM 
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make sure the USB port it 2.0 and also the cable must be 2.0


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PostPosted: Fri 10-01-2004 12:38PM 
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its the cable that came with it whcih is supposed ot be 2.0 and i know that the port is becaus ei just installed it... it just doesnt seem any faster maybe its just me

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PostPosted: Fri 10-01-2004 1:13PM 
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Have you tried timing something? Example, While your computer is doing nothing else plug the drive into a USB1.1 port and transfer a large file, then do the same with the USB 2. If it still does not seem to go faster, you should check your settings in the device manager for USB2 and the removable drive?


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PostPosted: Fri 10-01-2004 1:14PM 
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i think its working now, i trasnferd a like 700mb file in under 3 mins, that should be abour right shouldnt it?

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PostPosted: Sat 10-02-2004 3:38AM 
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sounds right. usb 1.1 would have written the 700 mb file in about ... 40 to 45? usb 1.1 (speedwise) approximates the 10mb ethernet connection. usb 2 is half gigabit.

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PostPosted: Sat 10-02-2004 12:49PM 
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wssy87 wrote:
sounds right. usb 1.1 would have written the 700 mb file in about ... 40 to 45? usb 1.1 (speedwise) approximates the 10mb ethernet connection. usb 2 is half gigabit.


USB 1.0 1.5 Mbps
USB 1.1 12 Mbps
USB 2.0 low speed 1.5 Mbps
USB 2.0 full speed 12 Mbps
USB 2.0 high speed 480 Mbps

max theoretical speed I have not seen actually transfers this high for each type of USB.


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PostPosted: Sat 10-02-2004 8:03PM 
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just approximations, dude. I wasn't trying to be exact, so don't bite my head off for it. I know very well that USB never runs at it's maximum rated speed, and I also know the speed ratings for each type of USB. 2 megabits per second's difference isn't much when you can never get the full 10 out of your ethernet connection, just like USB 1.1 never runs at its full 12. Speaking out of experience, i never got more than 8.5 or so out of my ethernet, and USB 1.1 usually transfers at about 9 for me, so my approximations are fairly close.

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PostPosted: Sun 10-03-2004 12:46AM 
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Sorry I was not trying to say anything about your projection, lighten up. I was just highlighting the “low speed” and “full speed” USB 2.0 rates.


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PostPosted: Sun 10-03-2004 1:10PM 
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but still, 40-45 mins? might wanna do that math again


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