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    • By slurpi
      Hi everyone:
       
      This is to report a success (!) in installing macOS Big Sur Beta 6 (version 20A5364e) on my system MSI X299 SLI Plus with Intel i9 9940X using OpenCore 0.6.1. I followed the main OpenCore guide here:
      https://dortania.github.io/OpenCore-Install-Guide/
      Make sure you look for the Skylake-X or HEDT sections.
      The SMBIOS is for the iMacPro1,1.
       
      There were two main issues that had to be taken care of:
       
      * I needed the kernel argument 
      npci=0x2000 otherwise USB would not work.
       
      * I had to replace the precompiled SSDT-AWAC with my own RTC SSDT, as explained here:
      https://dortania.github.io/Getting-Started-With-ACPI/Universal/awac-methods/manual.html#rtc0-method
      The problem is that my SSDT does not have any AWAC to be patched. A sign that I needed this was that booting into the installer hanged around loading Lilu or some of the SMC extras.
       
      The path to replace in the provided SSDT-RTC0 is:
      ** PCI0 -> PC00
      ** LPCB -> LPC0
      This is probably specific to my motherboard. Instead of using the SSDT-AWAC, I use my own RTC0 like this:
      DefinitionBlock ("", "SSDT", 2, "ACDT", "RTC0", 0x00000000) { External (_SB_.PC00.LPC0, DeviceObj) // (from opcode) Scope (_SB.PC00.LPC0) { Device (RTC0) { Name (_HID, EisaId ("PNP0B00")) // _HID: Hardware ID Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings { IO (Decode16, 0x0070, // Range Minimum 0x0070, // Range Maximum 0x01, // Alignment 0x08, // Length ) IRQNoFlags () {8} }) Method (_STA, 0, NotSerialized) // _STA: Status { If (_OSI ("Darwin")) { Return (0x0F) } Else { Return (Zero) } } } } } Only the lines:
      External (_SB_.PC00.LPC0, DeviceObj) // (from opcode) Scope (_SB.PC00.LPC0) are different from the original SSDT-RTC0 here:
      https://github.com/acidanthera/OpenCorePkg/blob/master/Docs/AcpiSamples/SSDT-RTC0.dsl
       
      By following the guide above and implementing these two differences, I was able to install macOS Big Sur beta 6.
       
      Big thanks to the amazing OpenCore team for allowing this. Not only the complete tools, files, binaries, are fantastic, but the manual is amazing!
       
    • By gekko.be
      I have an old Hackintosh that I have brought back to life. An ASUS P5KPLAM-SE mobo, Intel Core 2 Quad, with a Sapphire HD 5670 1GB graphics card. It used to work just fine on High Sierra 10.13.3 (I think it was .3) However I only used the DVI port. Updated to 10.13.6 and with AMD kexts rollback to the previous versions I got everything o wrk just fine: boot, HDMI video, HDMI audio etc etc. The only problem I face is that my USB keyboard and mouse freeze/hang seemingly very random... I can not seem to get it right. Unplugging and replugging the USB device makes it work again, sometimes for a few seconds sometimes for an hour ... No idea what's wrong... Have tried tons of options in clover, USBInjectall.kext with port limit patch, whatever I could find... Would there be anyone out there who would have an idea of what could be the problem?
    • By macinsane
      *This guide is deprecated and will not be maintained anymore*

      Update: Now running Mojave! Thanks to mojave2core! Yeah   Still using C2D in 2019!
      Inserted a nice and cheap GT710 that is not relying on nVidias Webdrivers and runs OOB under Mojave.
       
      Nice, seeing High Sierra running on this old but capable system! It rocks with a new ASUS GT1030
       
      Config:
      Gigabyte EP43-DS3L
      Core2Quad Q9300
      6 GB DDR2 RAM
      Asus GT1030 2GB
      Sandisk SSD 128GB
      TP-Link AC1200 Wifi USB
      Inateck KT4006 USB 3.0 PCIe (No boot)
       
      SMBIOS: iMac14,1
      Clover: 4297  4360
       
      A good deal of DSDT editing was necessary to get this machine to boot High Sierra but finally it works flawlessly, even sleep and wake!
      You NEED to have the DSDT put in place for installation because otherwise macOS doesn't recognize the SATA ports.
      There are a few important BIOS settings: SATA hast to be set to AHCI and "native" and HPET has to be run "64-bit", I'd recommend to disable IDE and the serial and parallel port.
      For the GT1030 nVidia Webdrivers are needed, have to boot with nv_disable=1 until you have them installed.
      You have to install Clover in legacy mode because this old fella does not support UEFI.
       
      Only downside: The so often recommended Inateck USB-card isn't recognized by BIOS, so you cannot boot from it. It works perfectly within macOS though, have the ac-Wifi connected to it.
      config.plist.zip
      DSDT.aml.zip
    • By eLDeus
      Hello, can't figure out why there's no Line-In input option with VoodooHDA, but I definetly have it in my built-in audio card on the motherboard.
      Thanks!
    • By Rajan Pandit
      Hai, I have i5 2500k with 8GB Ram, GA-Z86 AP-D3 Rev. 1 (F3 Bios) with Samsung EVO SSD... 
      I Installed High Sierra 10.13.6, I use ##### to activate boot... everything is fine..
      but sometime my system Freeze..... and sometimes screen freeze but mouse worked
      means system is running.. mouse is also moving.. but Screen got freeze...
      please help me to resolve.. I really frustrated now. I install many times...
      but same problem... There is no graphic card in my system...
       
      please help me.. I am attaching my clover folder.. please help
      CLOVER.zip
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