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Lenovo Y400 / Y500 - unlocked BIOS / wlan whitelist mod

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A final dumb question - does anyone happen to have a copy of the legacy Y500Fix? I'm flashing one of jester_socom's custom BIOSes but can't preprocess it since the only files being distributed are per-version versions of the Y500Fix - presumably with specific BIOSes embedded inside.

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A final dumb question - does anyone happen to have a copy of the legacy Y500Fix? I'm flashing one of jester_socom's custom BIOSes but can't preprocess it since the only files being distributed are per-version versions of the Y500Fix - presumably with specific BIOSes embedded inside.

You mean svl7's old command prompt BIOS Fixer tool? I have a backup of it I can send you but I'm away from my computer right now so it'll be in a few hours. svl7 can probably provide it too.

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You mean svl7's old command prompt BIOS Fixer tool? I have a backup of it I can send you but I'm away from my computer right now so it'll be in a few hours. svl7 can probably provide it too.

That's the one - it let you input any file so so wished, if I remember - thanks in advance.

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That version is outdated. It has an issue and mustn't be used anymore.

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My hands are bound, though: I've got one of jester_socom's custom BIOSes, and no means of doing the necessary fixes on them.

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That version is outdated. It has an issue and mustn't be used anymore.

What was wrong with it? I used it to flash three different laptops without problems.

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What was wrong with it? I used it to flash three different laptops without problems.

the bios flashing is a success! man it's like a whole new world blasted into your face with this mod, so much locked stuff! :Banane17:

BTW in the thermal settings(?) does changing the fan speed setting of low makes something happen?

and kudos and thanks to @svl7 @octiceps and @Kamnnoriel !!! gonna flash the vbios now for more oc awesomesauce

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BTW @svl7 you should specify the vbios flashing that you only need to flash the ultrabay cpu on sli models aka <1> to avoid confusion

and can i change how my laptopperforms in battery? like removing the 135 idle speeds of the laptop onbattery

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I haven't been able to successfully flash the newer 750 bios on the ultrabay card.

I get the following result when calling "nvflash -6 -i1 vbiosOC.rom" This is in the windows version 5.134 as 5.128 refused to even attempt flashing and said I needed a newer version to flash that firmware.

NVIDIA Firmware Update Utility (Version 5.134)

Checking for matches between display adapter(s) and image(s)...

Adapter: N14P-GT (10DE,0FE4,17AA,3802) H:--:NRM B:02,PCI,D:00,F:00

Current - Version:80.07.95.00.1A ID:10DE:0FE4:17AA:3802

GK107 Board - 2044nb3q (Normal Board)

Replace with - Version:80.07.9D.00.11 ID:10DE:0FE4:17AA:3802

GK107 Board - 2044nb3q (Normal Board)

Update display adapter firmware?

Press 'y' to confirm (any other key to abort): y

The display may go *BLANK* on and off for up to 10 seconds or more during the up

date process depending on your display adapter and output device.

Identifying EEPROM...

EEPROM ID (C2,2012) : MX MX25L2005 2.7-3.6V 2048Kx1S, page

ERROR: PCI Block corrupted - size mismatch

I am able to flash the previous version of the 750 firmware, but it doesn't seem to remove the 135 limit on the ultrabay card so I flashed it back to my original vbios.

Anyone else have any trouble with it?

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Also considering purchasing the Killer N1202 to put into my Y400. It came last month with version 2.02 installed from Lenovo. Just to clarify since I am a computer noob. If I download the modded version 2.02, this will allow me to add the killer N card to the machine without issues, correct? Thanks again. Great mod.

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Works well. I made a few stoopid mistakes like not pressing enter after running prr but she's done good now.

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I haven't been able to successfully flash the newer 750 bios on the ultrabay card.

I get the following result when calling "nvflash -6 -i1 vbiosOC.rom" This is in the windows version 5.134 as 5.128 refused to even attempt flashing and said I needed a newer version to flash that firmware.

NVIDIA Firmware Update Utility (Version 5.134)

Checking for matches between display adapter(s) and image(s)...

Adapter: N14P-GT (10DE,0FE4,17AA,3802) H:--:NRM B:02,PCI,D:00,F:00

Current - Version:80.07.95.00.1A ID:10DE:0FE4:17AA:3802

GK107 Board - 2044nb3q (Normal Board)

Replace with - Version:80.07.9D.00.11 ID:10DE:0FE4:17AA:3802

GK107 Board - 2044nb3q (Normal Board)

Update display adapter firmware?

Press 'y' to confirm (any other key to abort): y

The display may go *BLANK* on and off for up to 10 seconds or more during the up

date process depending on your display adapter and output device.

Identifying EEPROM...

EEPROM ID (C2,2012) : MX MX25L2005 2.7-3.6V 2048Kx1S, page

ERROR: PCI Block corrupted - size mismatch

I am able to flash the previous version of the 750 firmware, but it doesn't seem to remove the 135 limit on the ultrabay card so I flashed it back to my original vbios.

Anyone else have any trouble with it?

did you enter [ nvflash iX -r] before flashing the vbios? i had problems when i didn't enter that command before flashing. and please check if the vbios you have downloaded is the correct one

- - - Updated - - -

Also considering purchasing the Killer N1202 to put into my Y400. It came last month with version 2.02 installed from Lenovo. Just to clarify since I am a computer noob. If I download the modded version 2.02, this will allow me to add the killer N card to the machine without issues, correct? Thanks again. Great mod.

yes , the bios mod removes the whitelist that idiot lenovo put into the bios

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Yeah, I used the -r command first. Like I said, I can flash one of the two 750 firmwares, just not the newer one. The one I can flash doesn't seem to remove the 135 limit that I can tell.

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Can anyone bypass the idle speeds of the GPU's in battery through the BIOS? i want to run it at least at 300/600 so that i can play at low settings on battery. This laptop is awesome but we should game a bit on battery not always chained to the power outlet

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Yeah, I used the -r command first. Like I said, I can flash one of the two 750 firmwares, just not the newer one. The one I can flash doesn't seem to remove the 135 limit that I can tell.

Try the latest nvflash: http://forum.techinferno.com/nvidia-video-cards/3827-latest-nvflash-windows-dos.html

Can anyone bypass the idle speeds of the GPU's in battery through the BIOS? i want to run it at least at 300/600 so that i can play at low settings on battery. This laptop is awesome but we should game a bit on battery not always chained to the power outlet

Not very healthy for the battery, but Nvidia Inspector will probably allow you to do so. It's not a good idea for a bios mod to change the 2d profile because it will drain the battery a lot faster even when not gaming.

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Try the latest nvflash: http://forum.techinferno.com/nvidia-video-cards/3827-latest-nvflash-windows-dos.html

Not very healthy for the battery, but Nvidia Inspector will probably allow you to do so. It's not a good idea for a bios mod to change the 2d profile because it will drain the battery a lot faster even when not gaming.

how can i do it through Nvidia inspector please:01:

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Does it allow you to overclock the P-state which is used when you're running on battery?

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I have been reading a lot of questions regarding how to over-volt. However with this mod would it be possible to under-volt the 750m? The main reason is I don't have an AC, it hot these days and would prefer a much lower idle temperature than 50C! I think the cards are more than enough to run the games I play even at a lower clock rate.

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excuse my ignorance, can i unlock bios and whitelist without OC video card?

You don't have to overclock the video card if you don't want to, your choice.

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I have been reading a lot of questions regarding how to over-volt. However with this mod would it be possible to under-volt the 750m? The main reason is I don't have an AC, it hot these days and would prefer a much lower idle temperature than 50C! I think the cards are more than enough to run the games I play even at a lower clock rate.

you can underclock via MSI Afterburner and Nvidia Inspector even when not modded (correct me if i am wrong)

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My SLI had stopped working after I installed the mod. Although I had no OC plans I actually ended up installing the modified vbios as well which didn't help.

Anyway all I had to do was go to NVIDIA Control Panel > Set SLI & Physics Configuration > Disable SLI and then set it back to Maximize 3D Performance. Just putting it out there incase someone else gets the same problem.

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I tried a cursory search but couldn't find an answer - does the unlocked BIOS have hot plug options for the sata ports? I turned my ultrabay into an eSATA port, which of course works with a drive connected/powered on boot - but if I can enable hot-swapping, that would definitely make it more convenient. Since this is the only feature I'm interested in, I'm reluctant to flash my BIOS sight unseen.

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