DELL-OptiPlex-7040-Clover

总览

• 支持最新测试版 macOS Catalina 10.15 Beta (19A471t)
• 集成显卡已驱动
• 集成声卡已驱动
• 支持有线网络连接
• 支持休眠

修改内容

原作者对于驱动HD530过于复杂，有更简单的方式，修改GFX0至IGPU即可解决HD530显存不足的问题，本Fork修改以下内容：

• 修改GFX0至IGPU驱动HD530，省去一系列麻烦
• 解决HID legacy shim2处卡住 AppleUSBHostResources 禁行/禁止 花屏无法启动问题
• 更新Clover与Kext版本支持macOS Catalina

使用教程

直接使用本EFI文件

Clover for DELL OptiPlex 7040 with Skylake CPU & GPU

Only fix the Graphics by Bios hack, Ethernet, USB, and sound card with AppleALC, but, is enough! Less is more.

Test with DELL OptiPlex 7040 which using i7-6700, Intel HD Graphics 530, Intel I219LM2 Ethernet, macOS 10.14.

• I extract the BIOS.rom by AMI Flasher utility.
• I unlock the MSR 0xE2 from here. [https://github.com/acidanthera/AptioFixPkg]>
• I modity the DVMT to 96MB by [https://www.firewolf.science/2015/04/guide-intel-hd-graphics-5500-on-os-x-yosemite-10-10-3/]
• For OptiPlex 7040 the CFG lock address is 0xAF, so “setup_var 0xAF 0x0” to Disable CFG lock(MSR 0xE2)
• DVMT Pre-Allocated address is 0x350, so “setup_var 0x350 0x3” to set 96MB 中文教程
• Note: the DVMT & CFG lock fixup will lose after set BOIS to factory default!

If you don’t want to fix the BIOS, you can just using the WhateverGreen hotpatch by just using CLOV