m93p-tiny-hackintosh

a Repository containing files for turning a Lenovo M93p tiny into a shiny hackintosh

Introduction

This repo is based on the awesome m93p-tiny-hackintosh repo, and fixed 4K display issue.

My Configuration

Model            Lenovo ThinkCentre M93p Tiny
Motherboard      Intel Q87 
CPU              Intel Core i5-4570T
Memory           16G DDR3 1600MHz (8G+8G)
Graphics         Intel HD 4600
Audio Realtek    ALC283
Ethernet         Intel I217LM
Wi-Fi            Broadcom BCM94352HMB (Azurewave aw-ce123h)
Monitor          Dell U3219Q 3840x2160
BIOS             FBKTDEAUS 06/16/2020 
macOS            Big Sur 11.4
OpenCore         0.6.9

What Works

• Big Sur 11.4
• iMessage
• Airdrop
• 4K60 through DP
• Audio Out
• Energy Management
• FileVault
• App Store
• Wifi and Bluetooth
• Sleep

What Doesn't Work

This build is still a bit away from being golden. Here are my current issues:

• Internal speaker
• No fan readout
• Energy management, I didnd't see much difference with different configurations

BIOS

• Devices -> Video Setup -> Pre-Allocated memory Size = 128MB
• Advanced -> CPU Setup -> VT-d = Disabled
• Security -> Secure Boot -> Secure Boot = Disabled
• Startup: CSM = Enabled, BOot Mode = UEFI Only

HD4600 & 4K@60Hz & FrameBuffer

To enable 4K@60Hz support on HD4600, besides device-id, below properties should be updated as well

• framebuffer-unifiedmem : 2048MB
• framebuffer-stolenmem : 128MB (default=32MB)
• framebuffer-fbmem : 48MB (default=19MB)
• enable-max-pixel-clock-override : 675 MHz (01000000)

framebuffer (Original): 0300220D 00030303 00000002 00003001. In this original setting, framebuffer-stolenmem=00000002 (32MB), framebuffer-fbmem=00003001 (19MB).

Common Resolution to required framebuffer memory size, required memory = 4octets x resolution. (4 octets because RGBA color)

Resolution	Required fbmem
1080p	7.9 MB
1440p	14 MB
2160p	31.6 MB

That's why we get 1440p on a 4K monitor without any patch, and have to increase framebuffer-fbmem to 32MB for 4K.

Because framebuffer-fbmem is increased to 32MB, to make sure cbmem+cursormem < stolenmem, stolenmem should be increased as well. I tried 64mb and 128mb, both works, in current build 128mb is used.

More Reading on FrameBuffer

• Intel Framebuffer patching using WhateverGreen
• Troubleshooting 4k on HD 4600 iGPU (OpenCore), working temp patch and help requested
• Big Sur and 4K@60Hz

Useful Links

https://dortania.github.io/OpenCore-Desktop-Guide/ - The OpenCore Desktop Guide is the most important bit of info for this build.

Tools To Download

https://github.com/corpnewt/gibMacOS - gibMacOS lets you download MacOS recovery images directly from Apple.

https://github.com/corpnewt/ProperTree - ProperTree is a nice plist editor. It's cross platform, so you can use it both when preparing the files in Windows and later in MacOS.

https://github.com/corpnewt/GenSMBIOS - GenSMBIOS is used to create a valid serial number for your hackintosh so you can use iMessage and other iCloud services later.

Creating the Hackintosh

Creating the USB Installer

Strongly recommend you go through this video. It's another working example of M93p Hackintosh but different hardware spec.

Preparation of the EFI Folder

First you should clone or download this repo and the tools I recommended. If you have the same system config as my Lenovo tiny PC there's only one thing you have to set in the config.plist located under EFI/OC/

As you can see in https://github.com/lumpi2k/m93p-tiny-hackintosh/blob/caf13bc817f28be0f482b7b1a78febe9a7ae8a4b/EFI/OC/config.plist#L769-L798

	<key>PlatformInfo</key>
	<dict>
		<key>Automatic</key>
		<true/>
		<key>Generic</key>
		<dict>
			<key>AdviseWindows</key>
			<false/>
			<key>MLB</key>
			<string>PUT YOUR OWN HERE</string>
			<key>ROM</key>
			<data>AAAAAAA=</data>
			<key>SpoofVendor</key>
			<true/>
			<key>SystemProductName</key>
			<string>iMac15,1</string>
			<key>SystemSerialNumber</key>
			<string>PUT YOUR OWN HERE</string>
			<key>SystemUUID</key>
			<string>PUT YOUR OWN HERE</string>
		</dict>
		<key>UpdateDataHub</key>
		<true/>
		<key>UpdateNVRAM</key>
		<true/>
		<key>UpdateSMBIOS</key>
		<true/>
		<key>UpdateSMBIOSMode</key>
		<string>Create</string>
	</dict>

I blanked my own serial info in the config.plist. This means you'll have to create your very own set of serials.

The OpenCore Desktop Guide shows this in it's chapter [Fixing iServices][1]. Don't skip this step, it is very important! I've left the model iMac15,1 in the config, but you can also use iMac14,1 or iMac14,2 (these should technically work a little better since they're the exact CPU generation. I found no difference though.)

After you've created the SMBIOS with GenSMBIOS put in the values as described [here in the Desktop Guide][2].

Reference Links:

• https://dortania.github.io/OpenCore-Desktop-Guide/post-install/iservices.html
• https://dortania.github.io/OpenCore-Desktop-Guide/config.plist/haswell.html#platforminfo
• https://dortania.github.io/OpenCore-Desktop-Guide/installer-guide/winblows-install.html
• https://www.tonymacx86.com/threads/dell-optiplex-7020-4k-monitors-on-intel-4600-integrated-gpu.282589/page-16#post-2157430