On 09/27/2016 11:55 AM, Always Learning wrote:
* in C6.5 (my install disk; OS be updated to C6.8) USB2 works but USB3
does not.
It is a bit confusing how you worded this. Are you saying that you have
already installed 6.5 and fully updated it to 6.8?
Please does anyone have any ideas how to solve this baffling
time-consuming problem ?
Is is a UEFI (motherboard Asrock 970A-G/3.1) configuration matter or
potentially the absence of a suitable USB3 driver for Centos ?
You're probably not going to like my suggestion. Try CentOS 7.2 on this
board and see what it finds.
There comes a time in every EL release cycle where new hardware is no
longer well-supported. CentOS 5 is way past that, and CentOS 6, while
not as far past it is still too old to install on some of the newest
hardware. Even CentOS 7 has issues with some of the newest hardware.
You have the double-whammy of UEFI and a newer chipset. While CentOS
6.8 can handily support USB3 on some hardware (been there, done that
myself, with CentOS 6.5 if I recall on a Dell Latitude D830 with an
ExpressCard XHCI (USB3) controller that worked great).
You can of course try the ELrepo kernel-lt or kernel-ml packages, which
provide the LongTerm or MainLine kernels packaged for CentOS.
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