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Windows 7: A question about two different molex connectors on USB 3.0 cards

27 Mar 2012   #11

Windows 7 Home Premium 64bit
 
 

USB 3.0 B-Type The USB 3.0 B-Type connector is found on USB 3.0 devices. This connector is designed to carry data and power in USB SuperSpeed applications. Cables with this connector are not backwards compatible with USB 2.0 or USB 1.1 devices; however USB 3.0 devices with this connection type can accept previous USB 2.0 and 1.1 cabling.

USB 3.0 Micro B
The USB 3.0 Micro B connector is found on USB 3.0 devices. This connector is designed to carry data and power in USB SuperSpeed applications. . Cables with this connector are not backwards compatible with USB 2.0 or USB 1.1 devices.

USB Connector Guide at Cables To Go

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27 Mar 2012   #12

Windows 7 Professional x64
 
 

Thanks for the USB website link Comp Cmndo; I'll definitely use that for future reference!

The WD uses a Micro B connection, not a B-Type, hence my comment in my previous post when I said that only a USB 3.0 cable could connect to the WD.
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27 Mar 2012   #13

Windows 7 Professional x64
 
 

Well I tested the card in another desktop, and it works fine! So apparently it does not like my computer. All the drivers and connections on the two computers are the same, so I don't quite understand it. The only explanation I have is that, since the card fits in a PCIe x2 slot, and in my computer I was attempting to fit it in a x8 slot, the card might not have fit in there tightly, and was thus causing the instability and flighty connections.
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27 Mar 2012   #14

Main - Windows 7 Pro SP1 64-Bit; 2nd - Windows Server 2008 R2
 
 

What with slight variations between cases, cards and motherboards, I'm sometimes surprised any of it lines up right. One trick is to loosen the screws I've marked with red arrows and slide the mounting bracket one way or the other to see if you can get a better fit.


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A question about two different molex connectors on USB 3.0 cards-usb-3-0-pcie-card.jpg  
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28 Mar 2012   #15

Windows 7 Professional x64
 
 

Thanks for the advice profdlp! I adjusted the screws and I felt the card snug in much more securely than before. I booted up the machine, held my breath, and lo and behold the card works! Thanks so much for this helpful tip!

I'm marking the thread as solved.
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28 Mar 2012   #16

Main - Windows 7 Pro SP1 64-Bit; 2nd - Windows Server 2008 R2
 
 

I am very glad to hear it!
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 A question about two different molex connectors on USB 3.0 cards




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