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So I built myself a new rig...
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Disable PCI-E 3.0 (and use PCI-E 2.0 instead) in the UEFI? There won't be any performance decrease, especially considering how the 290(X) is crippled under non-Windows OS...
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For Kanotix gfxdetect mode it is not allowed to have Intel active. In that case i do not activate fglrx. Certainly i would use something i know that works, if it does not it is a driver fault. From usb key you can start Kanotix in uefi and mbr mode.
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Originally posted by Ouroboros View PostI had a very similar issue when I attempted to test a discrete GPU with Linux in my APU build. IIRC, the bios had some dual-GPU mode set by default and I had to switch it to auto for Linux to boot properly.
I hate it when something is caused by an incorrect BIOS configuration :/ IIRC, the option was hidden and at the very end of all the configuration options on my ASRock board, too
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Originally posted by Kano View PostAs you did not find it, I even downloaded the manual of your board. Guess what, you can find the setting in the Peripherals section:
Internal Graphics - Disable (or Auto if available)
Hard to believe that you did not see that...
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I had a very similar issue when I attempted to test a discrete GPU with Linux in my APU build. IIRC, the bios had some dual-GPU mode set by default and I had to switch it to auto for Linux to boot properly.
I hate it when something is caused by an incorrect BIOS configuration :/ IIRC, the option was hidden and at the very end of all the configuration options on my ASRock board, too
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As i do not own Optimus i tested radeon+Intel, radeon+nouveau successfully, but i could not fake real Optimus with binary nvidia driver. 2 or more cards from the same vendor did not work as well. For nouveau i needed an override to init it with Intel first and kernel 3.13. Vdpau can be switched with PRIME, vaapi needed a patch. I got am hotfix for vaapi but it crashes inside the app still when you use a non supported card with it. Nouveau does not work on a system without CSM, can not test this with radeon as i only have got old Evergreen cards. But binary drivers do not really work well on Desktops when Intel onboard is active, even when no monitor is connected.
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Originally posted by Kano View PostWhich would be like an Optimus setup. Don't enable Intel GPU in your firmware when you don't know what you do. I guess Gigabyte has it as default as somebody with Nvidia GPU had the Intel GPU active as well with a Z87 board...
A discrete PCI-e card should automatically disable the integrated graphics on most motherboards.
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As you did not find it, I even downloaded the manual of your board. Guess what, you can find the setting in the Peripherals section:
Internal Graphics - Disable (or Auto if available)
Hard to believe that you did not see that...
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Originally posted by Kano View PostIt's simple why i wanted the full output. You see this:
00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
and
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Hawaii XT [Radeon HD 8970] [1002:67b0] (prog-if 00 [VGA controller])
Which would be like an Optimus setup. Don't enable Intel GPU in your firmware when you don't know what you do. I guess Gigabyte has it as default as somebody with Nvidia GPU had the Intel GPU active as well with a Z87 board...
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It's simple why i wanted the full output. You see this:
00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
and
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Hawaii XT [Radeon HD 8970] [1002:67b0] (prog-if 00 [VGA controller])
Which would be like an Optimus setup. Don't enable Intel GPU in your firmware when you don't know what you do. I guess Gigabyte has it as default as somebody with Nvidia GPU had the Intel GPU active as well with a Z87 board...
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