(I'm PAYING) Clevo X7200 Bios remove GPU whitelist or remove GPU checks

[SuperMG]

Hello. Can somebody help me with this BIOS mod? I can pay for a successful BIOS mod. (80€)

I’ve been intrigued a lot about why anything above GTX 680M/K5000M Kepler won’t work on this LVDS Clevo X7200 laptop?

For example Nvidia Quadro K3100M, GTX 780M, 880M, 970M, 980M won’t work in the master slot, despite having the same LVDS port for the internal screen.

These cards do support legacy and legacy oprom.

Even I got a GTX 970M, 980M and Quadro P5200 to work in the slave slot! With Legacy and UEFI VBIOSes. The BIOS recognized them as the 2nd NVIDIA GPU. Even the RTX 4070 MXM was detected!!

So my point is… There’s maybe a whitelist of GPUIDs for the master slot or maybe there's something during the post.

But some could say that the GTX 700M to 900M needs some partial support for UEFI in order to work and display… Even though these generations support both legacy and UEFI.

I removed GOP/UEFI image on the Maxwell cards I own and the laptop doesn’t post still! I even edited my Maxwell cards VBIOSes GPUID. Replaced them with some Fermi GPUIDs (280M and 5000M for example). No post again! Laptop stays on with fans at idle

It’s not about the LVDS port and not about the VBIOS. It’s about the BIOS.

Is there a way to remove the GPU whitelist from that Phoenix BIOS? So we can add a GTX 980M or M5000M as the best card in terms of LVDS compatibility?

I see that the 1st gen “core i” Alienware M15X can support up to a GTX 980M/M5000M…
Even the Clevo X8100 and Clevo M980NU (PM55 chipset) support up to a GTX 980M in LVDS, in the master slot.

Here’s the Clevo X7200 BIOS that was taken from the SOP8 F25L16PA chip: https://drive.google.com/file/d/1CPea1hd...hZhEN/view

Please help me... I have searched on the old NBR forum, on notebooktalk and there are no informations about such bios editing and unlocking.

[SuperMG]

Hello.

I edited the BIOS with Phoenix BIOS Editor 2.2.1.3, it took 4 hours to flash 2mb to the motherboard. Tested with the Quadro K3000M, it worked but doesn't work with newer Kepler cards and Maxwell cards...

I set the VGA errors to IGNORE but that didn't seem to work...
I set POST checksum errors to IGNORE. Set "other errors" to IGNORE. What did I miss? Did I do something wrong?

I found over 200 mentions of MXM in this ACPI dump file: https://drive.google.com/file/d/1ffPxcys...p=drivesdk, is this the way to go?

[SuperMG]

I have 970M 6GB from Clevo and M5000M 8GB from Dell.

I tried today with Maxwell VBIOSes (970M and M5000M) that have no UEFI/GOP:


Boot with LVDS cable: nope
Boot without LVDS cable: nope
Boot without LVDS cable and DVI plugged in: nope
Boot without LVDS cable and HDMI plugged in: nope

Even tried to do the same with a Quadro P3000 UEFI, no post or output from external HDMI and DVI output.

The 485M works without LVDS and displays in DVI/HDMI...

It's just a blackscreen, no backlight, no post, no OS. Nothing. Just fans stay on idle.

I also found something interesting for D900F, P170HM and X7200 only work with "early versions" of the Kepler 600M vBioses but why? Why can't newer revised vBioses from Kepler 600M work? What has changed?