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Efi Clover bootloader for Laptop Alienware M17x R3 with AMD Radeon HD 6850M video card. This EFI work for Sierra, High Sierra with video acceleration for AMD video Card and Mojave to Catalina without full grafic acceleration but work FN keys, sleep and wake, audio volume, brightness keys, USB 3.0, SDHC not tested yet, Wi Fi and bluetooth, FN + F1, F3, F4 - F5, F6, F9, F10, F12. Laptop have bios A12 unlocked and sata 6Gb.

IGPU has disable in bios, SMBios is MacBook Pro 8,3 and work very well. For Wi Fi is itlwm.kext and must install heliport app, work well.

1637763816_ScreenShot2022-02-19at18_50_12.jpg.bdb56811f276f16077a6606cbe152e7e.jpg

Edited by ovidoi

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Today i used opencore legacy patcher tui and now my laptop have hardware acceleration QE/CI in Catalina 10.15.7, i tested with Uningine Valey benchmark. Now i think that work in Monterey too with terrascale 2 gpu when have time with test.

Edited by ovidoi
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Hello,

Which version of the OCLP you're used? i have a HD6770 work on Monterey after patched by OCLP 0.43

regards,

lin

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Hi, 0.43 TUI and Gpu HD 6870M, but no have time to test in Monterey, in Catalina work very well, all hardware too.

Edited by ovidoi
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Hi there, i download the TUI version and tested on my desktop.Catalina not work,OC or Clover not able to boot finally.Then Mojave boot and working with QE/CI.but no Metal yet.i don't know why.maybe HD6770(68BF1002) has a unsupported ID.have dropped SSDT-GPU-SPOOF.aml into ACPI.

 

HD6770 qeci on Mojave H170OC.png

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Hi, in clover configurator write 68b81002 id and cattail framebuffer for amd radeon hd if you have radeon hd6850/70m, for me work in catalina, look for OC legacy in setting for terrscale 2.

My efi is for Alienware M17x r3 laptop.

Edited by ovidoi
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