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Mad Scientist
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Topic # 82082 21-Apr-2011 10:16
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I have a laptop (i7) with a USB 3.0 /eSATA hub (windows 7 64 bit).

I don't seem to be able to make the USB 3.0 hub run at it maximum potential. Googling says that windows 7 does not natively support USB 3.0 ....

question is 
1) How do i know my hub is running at max potential (ie "SuperSpeed")? my device manager gives me no such indication
2) Is there a generic driver to get?

I know it's a long shot - but just in case someone else had this problem solved recently who can chip in ... I am waiting for Dell to get back to me ... hopefully they will have a solution/driver/controller ... !!!      

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  Reply # 461241 21-Apr-2011 10:32
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My board has USB/Sata3... Provided by NEC chipset which appears to be the most common.

Quick google foo suggests for the likes of the Dell 6500, it requires enablement in bios, then the NEC drivers installed

Or if its an XPS range..

http://support.dell.com/support/downloads/download.aspx?c=us&cs=19&l=en&s=dhs&releaseid=R299115&SystemID=XPS_L501X&servicetag=&os=W764&osl=en&deviceid=27116&devlib=0&typecnt=0&vercnt=2&catid=-1&impid=-1&formatcnt=0&libid=27&typeid=-1&dateid=-1&formatid=-1&source=-1&fileid=449089



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  Reply # 461248 21-Apr-2011 10:58
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i have installed the controller and but it seems i have to remove some drivers to make it work.

since i installed the NEC controller when i click on the controller app it says "Warning! USB 3.0 Host Controller not found!"

question is what do i uninstall:
do i remove all the drivers under "Universal Serial Bus controllers", but which ones?
there are:
- Generic USB hub
- USB root hub
- USB composite device
- Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced controller - 3B34
- Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced controller - 3B3C


I am so confused!

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  Reply # 461269 21-Apr-2011 11:56
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What USB3 devices did you test this with?

Windows 7 Service pack 1 should support USB3.0 natively. I don't know whether you still need drivers or not, though.



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  Reply # 461335 21-Apr-2011 14:38
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a USB 3.0 external hard drive. i can only get stable speeds of 30MBps transfer rate, whereas my eSATA can do 90MBps stable rate.

when i connect the USB 3.0 ext HDD the device manager says connected at "high speed" (USB2) when it should connect at "super speed" (USB3)

Win 7 SP1 does not explicitly say it supports USB3 does it?

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  Reply # 461339 21-Apr-2011 14:51
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Are you sure it's USB3.0? (The external drive and that you're using the blue USB3.0 ports?)



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  Reply # 465819 5-May-2011 16:02
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ok update: i thought I had a usb 3 port but it wasn't. bought an expresscard - USB 3.0 from ebay for AUD 18 and downloaded the generic renesas USB 3 driver and all good! (the driver provided by the ebay guy gives a warning "your device can function faster bla bla bla")

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