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Cannot get 2 USB 3.0 devices work together

jerrino77
Level 7
Hello all (and sorry for my bad english in advance.. :rolleyes: )
I am get in trouble with USB 3.0 controller. I have a Crosshair V formula/ FX-8150 combo with an 850W PSU with all connectors plugged (the 24, the 12 and the 4 pin). I have populated ALL of my C5F USB ports, and i have no issues with 2.0 devices. But I have problems with 3.0 controller. I use the 2 USB 3.0 ports in the back of MB, one with a Sitecom USB 3.0 exernal card reader, another with a USB 3.0 enclosure with a BD-Rom drive. Until i use only the BD, i can use it, but, when i plug the card reader, the BD drive "disappears". Could be a driver issue? the latest version of driver in Asus support site is 1.14.1.0, but i have found 1.16.4.0 on the net. Have I to downgrade it?

Thanks

PS. The USB controller in Crosshair V Formula-z is the same? Because in Asus site, for C5F-Z the version of driver is 1.14.3.0
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2 REPLIES 2

jerrino77
Level 7
Bump up....

jerrino77
Level 7
Up again.. Please help