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- Sep 21, 2010
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Stork's Thunderbolt Build: i5-3570K | GA-Z77X-UP5-TH | HD4000 | Mountain Lion
Gerard71,
On back panel USB 2, I've used the two USB 2 ports above the eSATA port and next to the Ethernet port, both of which work with my USB 2 thumb drives and the connecting to my monitor's USB 2 hub. (Back panel port's "e" in my Gigabyte manual's motherboard back panel diagram, page 21, USA version.)
The front panel USB 2 headers are plugged into the motherboard's USB 2 front panel connector. (#15 on my Gigabyte manual's motherboard top view diagram, page 26, USA version.)
However, if holding F12 on boot up isn't working for you, you should can change the BIOS' 1st boot disk parameter to the USB HDD for the Mountain Lion installation. I recommend changing the BIOS boot disk because Apple's installation reboots the computer the end of the installation. By changing the BIOS first boot disk, the installation reboot will automatically reboot with the UniBeast thumb drive so you can run MultiBeast. After running MultiBeast, you will need to reboot. At this reboot, boot into the BIOS, and change the first boot disk parameter back to your Mountain Lion disk. Hopefully, this procedure will work for you.
Unfortunately, I am not with that system right now, so I can not offer more advice.
Gerard71,
On back panel USB 2, I've used the two USB 2 ports above the eSATA port and next to the Ethernet port, both of which work with my USB 2 thumb drives and the connecting to my monitor's USB 2 hub. (Back panel port's "e" in my Gigabyte manual's motherboard back panel diagram, page 21, USA version.)
The front panel USB 2 headers are plugged into the motherboard's USB 2 front panel connector. (#15 on my Gigabyte manual's motherboard top view diagram, page 26, USA version.)
However, if holding F12 on boot up isn't working for you, you should can change the BIOS' 1st boot disk parameter to the USB HDD for the Mountain Lion installation. I recommend changing the BIOS boot disk because Apple's installation reboots the computer the end of the installation. By changing the BIOS first boot disk, the installation reboot will automatically reboot with the UniBeast thumb drive so you can run MultiBeast. After running MultiBeast, you will need to reboot. At this reboot, boot into the BIOS, and change the first boot disk parameter back to your Mountain Lion disk. Hopefully, this procedure will work for you.
Unfortunately, I am not with that system right now, so I can not offer more advice.