Lenovo Y50-70 UHD need DVMT-prealloc 128 mb

[expecto30]

Bump guys. :/

[expecto30]

Hi i would like to patch my bios for dvmt change 128.

Will donate if works

this is the link to the bios backup made from Bios backup tool kit
The bios has been downgraded to 1.14
lenovo y50uhd bios backup
here is the link


Thanks.

[krzk]

Guys did I miss something? I am really in need.
I don't have Windows anymore on this machine, but I've updated to win10 some time ago. Heard I can use others BIOS?
Is there any chance to downgrade BIOS to 1.14 from MAC OS X? Or should I downgrade it from BIOS?

[expecto30]

Krzk, hi. I believe you can use the backup bios file and update it through USB

[krzk]

What backup?

[Da Vinci Code]

ok, if you will...
I unlock Advanced menu, you will find Video Configuration in that location.
Each mod for laptop is personal because it based on your saved dump.
I found this:
Setting: IGD - DVMT Pre-Allocated, Variable 0x18C
Option: 0 MB, Value: 0x0
Option: 32 MB, Value: 0x1 (default)
Option: 64 MB, Value: 0x2
Option: 96 MB, Value: 0x3
Option: 128 MB, Value: 0x4
Option: 160 MB, Value: 0x5
Option: 192 MB, Value: 0x6
Option: 224 MB, Value: 0x7
Option: 256 MB, Value: 0x8
Option: 288 MB, Value: 0x9
Option: 320 MB, Value: 0xA
Option: 352 MB, Value: 0xB
Option: 384 MB, Value: 0xC
Option: 416 MB, Value: 0xD
Option: 448 MB, Value: 0xE
Option: 480 MB, Value: 0xF
Option: 512 MB, Value: 0x10
Option: 1024 MB, Value: 0x11
As we can see your current value is 32 Mb.So if you flash mod you can change value to 128 Mb.
You can check your PM.

[expecto30]

Thank you very much sir. If you don't mind me asking, where do I donate with PayPal. Does it go to the whole site or you personally.

Thanks,
Expecto30

[Da Vinci Code]

Just click link into my Signature. It will redirect to my personal donation Paypal page!
Regards~

[13XxM1CHA3lxX37]

I need the same for hackintoshing, I'm ready to give you a tip if it works.

Y50-70 Bios Version 1.14
i7 4710HQ
GTX860M (4GB)

my bios backup: https://www.dropbox.com/s/r58lmpubvpsgex...9.rom?dl=0

[cthulhuburi]

Hi, i want unlock my BIOS. I install OS X Sierra and my screen have bug. Screen flashing. I need change DVMT-prealloc BIOS setting to 128MB.

Lenovo y50-70 (UHD)
BIOS 9ECN31WW(v1.14) InsydeH20 Rev 3.7
CPU Intel i7-4720HQ
VGA Intel HD 4600 & Nvidia GTX960M
AUDIO Realtek ALC283
WIFI Broadcom 802.11ac BCM4352 Network Adapter
LAN [i]Realtek PCIe GBE Family Controller[/i]

I want fix video bug

DSDT
https://www.sendspace.com/file/kyl7w5