Clover for OptiPlex 7040 with Skylake CPU & GPU
Only fix the Graphics by modify UEFI variables, Ethernet, USB, and sound card with AppleALC, but, is enough! Less is more.
Test with OptiPlex 7040 which using i7-6700, Intel HD Graphics 530, Intel I219LM2 Ethernet, macOS 10.14.5
In order to run macOS successfully a number of EFI BIOS variables need to be modified. The included Clover bootloader contains an updated
DVMT.efi, which includes a
setup_var command to help do just that.
DVMT.efi can be launched from Clover directly by renaming it to
Shell64U.efi in the
The following variables need to be updated:
|Variable||Offset||Default value||Desired value||Comment|
|CFG Lock||0xAF||0x01 (Enabled)||0x00 (Disabled)||Disable CFG Lock to prevent MSR 0x02 errors on boot|
|DVMT Pre-allocation||0x350||0x01 (32M)||0x04 (128M)||Increase DVMT pre-allocated size to 128M for 2K+ displays|
Clover boot menu, select
Start UEFI shell 64and enter.
I has replace
DVMT.efi, so you are running
DVMT.efi in fact.
setup_var 0x350 0x4using this cmd line 中文教程
Yes. It way enabled by “config.plist/RtVariables/CsrActiveConfig=0x11”.
Maybe you need to disable SIP before doing upgrade: Set “config.plist/RtVariables/CsrActiveConfig=0x67”.