GA x58a-UD3r Problems

Cookhie · Jan 31, 2015

Hey Guys, i got ab Problem... (Sry for my bad english, but german forums do not talk about it) I made a bootable USB Device with Unibeast and Yosemite. If i Put it in my Computer and boot from USB, i take USB and press Enter. The apple logo appears and a loading bar. But at 1/4 it stops. I tried with -v, but it didnt work to. It stop at the BluetoothController:Activated. My last try was with the boot command: -v -x -f -F npci=0x2000, but it doesnt work. I believe the motherboard did this, but I dont know what to do... Please help me

Greetings

Adrian B · Jan 31, 2015

You will probably find some good information on your settings here:
http://www.tonymacx86.com/yosemite-desktop-guides/154297-update-customac-pro-2010-a.html

You can try using the following bootflag when you select the USB device to boot from

Code:

 nv_disable=1

Do you have another graphics card that you may be able to use in the short term? Something that would allow you to install OS X, download the required drivers for the Maxwell GPU would make life easier.

Best way to install the drivers is after OS X is installed and running. A good overviw is here:
http://www.tonymacx86.com/graphics/...am-new-gigabyte-750-ti-2gb-graphics-card.html

Cookhie · Feb 8, 2015

Adrian B said:
You will probably find some good information on your settings here:
http://www.tonymacx86.com/yosemite-desktop-guides/154297-update-customac-pro-2010-a.html

You can try using the following bootflag when you select the USB device to boot from

Code:

nv_disable=1

Do you have another graphics card that you may be able to use in the short term? Something that would allow you to install OS X, download the required drivers for the Maxwell GPU would make life easier.

Best way to install the drivers is after OS X is installed and running. A good overviw is here:
http://www.tonymacx86.com/graphics/...am-new-gigabyte-750-ti-2gb-graphics-card.html

Im sorry. I was not active here last week.

It doesnt make sense, if im using the code

Code:

nv_disable=1

, because the mainboard hasnt in Board Graphics, so i would cant see anything...

Going Bald · Feb 8, 2015

Cookhie said:
Im sorry. I was not active here last week.

It doesnt make sense, if im using the code

Code:

nv_disable=1

, because the mainboard hasnt in Board Graphics, so i would cant see anything...

boot flag nv_disable=1 prevents the Apple nVidia driver from loading and causing the system to hang because your GPU is not supported. It should allow the boot to continue with the GPU remaining in VESA mode, same as it is when you are booting and the BIOS is posting before the OS drivers get loaded.

Unfortunately, it does not always work, so best is to have another nVidia card that is supported to do the install and updates with until you can get the web drivers from nVidia installed.

Cookhie · Feb 9, 2015

I got a following GPU: EVGA 9800 GT from NVIDIA. Will it work?

Going Bald · Feb 9, 2015

Cookhie said:
I got a following GPU: EVGA 9800 GT from NVIDIA. Will it work?

Yes it will work. You need to use boot flag GraphicsEnabler=Yes.
I have this one in the GA-EP45-UD3P build.

Device ID = 0x0605
Rev, ID = 0x00a2

Cookhie · Feb 12, 2015

I just install OS X with the 750 ti and it work with AHCI and nv_disable=1. So i Post Install but i can only boot over nv_disable. At the Post Installation i install at the boot that Chimera will activate GraphicsEnabler=1.

I will see

Going Bald · Feb 12, 2015

Cookhie said:
I just install OS X with the 750 ti and it work with AHCI and nv_disable=1. So i Post Install but i can only boot over nv_disable. At the Post Installation i install at the boot that Chimera will activate GraphicsEnabler=1.

I will see

Need GE=Yes, not GE=1

Cookhie · Feb 26, 2015

So i did the post installation
:

But after the post installation, i cannot boot, so if i use nv_disable, after time a barrier symbol appears. with -x i get the boot, but then it stops and anything about "bootup time in nanoseconds" appears with other information. I can do nothin´ at the moment

Jithin.C.V · Feb 26, 2015

Cookhie said:
"bootup time in nanoseconds" appears with other information.

It is a kernel panic. Boot with flag "-v" and post an entire screen photo of the panic screen.

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GA x58a-UD3r Problems

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