USB3 ports of my GA-Z68X-UD3H-B3 running Mountain Lion randomly eject disks.

[supergab]

Hello, I have the following setup running Mountain Lion ...

- Intel i7-2600k Unlocked CPU
- Gigabyte LGA 1155, GA-Z68X-UD3H-B3 Motherboard revision 1.3 with U1h bios.
- Gigabyte GeForce GTX 560 TI 1GB Graphic card
- Corsair Vengeance 1600MHz DDR3 Ram - 16GB
- Corsair Carbide 500R
- Corsair H60 Water Cooling Unit
- Corsair 120Go Force3 SATA 3 SSD
- Corsair HX650W ATX power supply

But it seems that when I plug a USB disk in one of my USB3 ports, it randomly eject the drive for no reason. And it doesn't unmount it properly it gives an error message: "The disk was not ejected properly. If possible, always eject a disk before unplugging it or turning it off."

What can I do?

Many thanks for your time and help.

 

[rgabrielson]

Hello, I have the following setup running Mountain Lion ...

- Intel i7-2600k Unlocked CPU
- Gigabyte LGA 1155, GA-Z68X-UD3H-B3 Motherboard revision 1.3 with U1h bios.
- Gigabyte GeForce GTX 560 TI 1GB Graphic card
- Corsair Vengeance 1600MHz DDR3 Ram - 16GB
- Corsair Carbide 500R
- Corsair H60 Water Cooling Unit
- Corsair 120Go Force3 SATA 3 SSD
- Corsair HX650W ATX power supply

But it seems that when I plug a USB disk in one of my USB3 ports, it randomly eject the drive for no reason. And it doesn't unmount it properly it gives an error message: "The disk was not ejected properly. If possible, always eject a disk before unplugging it or turning it off."

What can I do?

Many thanks for your time and help.

I experienced the same issue with my MB with the Eltron 3.0 chipset. I eventually disabled the 3.0 so it would run at 2.0. I ended up using a card with Asmedia 3.0 controller chipset to get 3.0 working. Here is the card I ended up using.

http://www.microcenter.com/single_product_results.phtml?product_id=0382275

 

[Coldwrench]

I experienced the same issue with my MB with the Eltron 3.0 chipset. I eventually disabled the 3.0 so it would run at 2.0. I ended up using a card with Asmedia 3.0 controller chipset to get 3.0 working. Here is the card I ended up using.

http://www.microcenter.com/single_product_results.phtml?product_id=0382275

Did it work OOB or did you have to do something other than specify USB3 drivers in MultiBeast?

 

[meandrewdunn]

The post I just made may help you: http://www.tonymacx86.com/lion-desk...unning-my-macpro-build-after-nearly-year.html