Change DVMT-prealloc on Laptop MSI GL62 6QF.

[biotin]

Hello guys, 

i wont to change with UEFI Shell  DVMT-prealloc to 96 or 64 Mb to start to install Mac OS Sierra on my laptop MSI GL62 6QF. (Under Windows 10 it shows 128 Mb). 

 

But i become this error message: 

grub> setup_var 0x494 0x3
Looking for Setup variable...
var name: .....

--> GUID does not match expected GUID, taking it nevertheless...
expected a different size of the Setup variable .....
Continue with care...
successfully obtained "Setup" variable from VSS....
offset 0x494 is: 0x03
setting offset 0x494 to 0x03
var name: Setup, var size: ...

--> GUID does not match expected GUID, taking it nevertheless...
successfully obtained "Setup" variable from VSS ...
error: offset is out of range..

Hier is my DVMT-prealloc Settings: 

-----------------------------------------------------------------------------------------------------------------------------------------
0x284C1 Setting: DVMT Pre-Allocated, Variable: 0x494 {05 91 A1 07 C4 07 7B 27 01 00 94 04 14 10 01 FE 00}
0x284D2 Option: 32M, Value: 0x1 {09 07 A2 07 00 00 01}
0x284D9 Option: 64M, Value: 0x2 {09 07 A3 07 30 00 02}
0x284E0 Option: 96M, Value: 0x3 {09 07 A4 07 00 00 03}
0x284E7 Option: 128M, Value: 0x4 {09 07 A5 07 00 00 04}
0x284EE Option: 160M, Value: 0x5 {09 07 A6 07 00 00 05}
..............................................

My laptop configuration: 
Core i5-6300HQ 4 x 2,3Gh
SSD 256 Gb

Intel HD 530 + GeForce 960M 2 Gb

 

Error on loading from USB: 

[IchigoWalker]

Found hidden settings on MSI GS60 2QE by pressing Alt(on the left) + Ctrl (on the right) + Shift (on the right) + F2. There is a lot of settings as pre-alloc.