thm-unix / oc-b590-20206

OpenCore config for Lenovo B590 (20206)

OC-B590-20206

OpenCore (v. 0.9.2) config for Lenovo B590 (20206). Tested with 10.8.5 Mountain Lion but may work on later versions too (graphics work somewhat normal only on Mountain Lion with this config).

Setup

1. Generate MacBookPro9,2 SMBIOS and put it into config.plist
2. Format your USB stick
   1. Open Disk Utility
   2. Press Cmd+2 (or View -> Show all devices)
   3. Format USB stick in HFS+ (Mac OS Extended (Journaled)) with GUID partition map.
3. Download Mountain Lion 10.8.5 (I used this one https://archive.org/details/install-os-x-mountain-lion.app-10.8.4-10.8.5)
4. Create bootable USB drive
   1. If you are going to install 10.8
      1. Right-click on Install OS X Mountain Lion.app
      2. Click Show Package Contents
      3. Go to Contents/SharedSupport
      4. Double-click InstallESD.dmg to mount it
      5. Restore "Mac OS X Install ESD" to your USB drive
   2. If you are going to install 10.9+
      1. Open Terminal
      2. /Applications/Install macOS _yourversion_.app/Contents/Resources/createinstallmedia --volume _drag_your_usb_drive_here_ --applicationpath /Applications/Install macOS _yourversion_.app
5. Mount EFI partition (use MountEFI utility for that)
6. Put EFI directory in EFI partition
7. Unmount your USB stick & reboot
8. Enter BIOS
   1. On Config tab go to USB section and set USB 3.0 Mode to Disabled
   2. On Config tab go to Power section and set everything to Enabled
   3. On Config tab go to Serial ATA (SATA) section and set SATA Controller Mode Option to AHCI
   4. On Config tab go to CPU section and set everything to Enabled
   5. On Security tab go to Virtualization section and set Intel (R) Virtualization Technology to Enabled
   6. On Security tab go to Secure Boot section and set Secure Boot to Disabled
   7. On Startup tab set UEFI/Legacy Boot to Both
   8. On Startup tab (for convenience) go to Boot section and set your USB drive as the first device in boot priority
   9. Save & Reboot
9. Boot from your USB stick and choose installer
10. Don't forget to set date in Terminal (you can google that for your version of OS X; date 0101010113 for 10.8.5)
11. Perform usual installation
12. Mount EFI partition of your system drive
13. Copy EFI directory on EFI partition of your system drive

Laptop Specifications

Lenovo B590 (20206)

• CPU: Intel Celeron 1005M
• GPU: Intel HD Graphics 2500
• RAM: 4 GB
• Ethernet: RTL8111/8168/8411 (?) - to be clarified
• Wi-Fi: Broadcom BCM43142
• PS/2 Keyboard & Trackpad
• Audio codec: Realtek ALC269 (?) - to be clarified

Hardware support

🟢 Works

• CPU Power Management (?) - to be clarified
• USB 2.0
• Audio
• Touchpad & Keyboard

🟡 Partly

• Graphics Acceleration (it actually works but with some limitations)

🔴 Not works

• Wi-Fi
• HDMI