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Gigabyte GA-Z68XP-UD3P - 20pin USB 3.0 Issue

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December 30, 2013 8:51:28 AM

Hi all,

Here's an interesting one that I can't seem to get to the bottom of! I have just installed an IcyBox IB-867 5.25" card reader/USB hub into my PC. I have hooked up all of the connectors required (1 x 20-pin internal USB 3.0 interface, 2 x USB internal connections, 1 x SATA and 1 x 4-pin power). All of the USB connectors work fine, so I know that part is connected properly and there is power.

The problem is with the actual card-reader slots. The power light doesn't come on, and no cards are recognised when I insert them. However, it DOES work if I pop the PC open whilst it's running, unplug the 20-pin USB 3.0 cable from the motherboard, and plug it back in again (whilst the PC is still running). At this point windows detects a new device, the card slot power-indicator turns on, and everything works fine. As soon as I turn the PC off and back on again, the card reader is no longer detected. Basically, if I want to use the card reader, I have to unplug and re-insert the internal USB 3.0 connector whilst the PC is running every time.

I am fairly sure that this must be either a BIOS or an Operating System issue, but I can't figure out what ... and why the reader isn't being recognised immediately on boot. Anyone got any ideas? Here are my PC specs:

Gigabyte GA-Z68XP-UD3P - Firmware Version F7
Intel i7-2600K @ 4.7ghz
ATI Radeon R9 290
16GB Crucial DDR3 RAM @ 1600mhz
Windows 7 64-bit (SP1 + all updates)
128BG SSD for OS
2 x 2tb 7400 HDD's

Thanks very much for any help!
a b V Motherboard
December 30, 2013 8:55:50 AM

try enabling or disabling legacy device support. alos make sure that usb isnt disabled at boot time in bios.
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December 30, 2013 8:56:40 AM

Just a thought, I know that some Bios's (Asus in particular) have a setting where it will only initialize the keyboard and mouse. Not sure if this will solve your problem, but its worth a shot.

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December 30, 2013 9:57:22 AM

I've messed about with all of these settings now, and still it won't detect it on boot. It's frustrating as I know it's not a problem with the card reader, or the USB 3.0 port as they both work perfectly when I pull the internal cable and reconnect it. Somewhere there is a setting hiding from me!!
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