Graphics Card upgrade for M6800 ?

I am currently searching for a card also for my m6800... I purchase the Tesla m6 but no luck ... I wonder it this card is broken or it’s not compatible... I’m looking forward to hear the best card for us ...I think the gtx 980m is a bit to expensive....

 

Hello everyone!
Bought myself on eBay Nvidia Quadro P4200 8GB GDDR5 N18E-Q3-A1 DAXW3UB5CA0 for HP ZBook 17 G5.
My Dell M6800 detected this videocard, but due to the lack of a vbios chip, the driver could not be installed, even with manual editing of the equipment list.
After rereading the entire forum, I found and soldered the missing Winbond W25Q40EW = 25Q40EW vbios chip.
The nvflash utility began to detect eeprom, but after flashing the only vbios for Nvidia Quadro P4200 from techpowerup.com, the Windows operating system immediately crashes into a blue screen, even when trying to install the operating system from scratch.
An attempt to flash a working vbios p5000v3.rom and ES GP104.rom from an senior and younger series was unsuccessful, as the nvflash utility swore at the lack of hardware support ID 0x1BB9.
There is a suspicion that vBios is from the version of the video card for a stationary PC and during the boot of the Windows operating system, there is a conflict between the integrated graphics from Intel and discrete graphics from Nvidia, and as a result I get a blue screen.
On my Dell M6800, there is no way to disable the built-in graphics from Intel in BIOS in order to test my theory.
Please help me solve this problem, maybe someone has already encountered this situation and can share a working vbios for Nvidia Quadro P4200 on my Dell M6800!
I know the entire Nvidia Quadro P mobile series is based on the GP104GLM chip and maybe someone have ability to edit vbios..thanks in advance for the help!

Spoiler: nvflash error

Spoiler: mobile gpu series based on GP104

1ba0 GP104M [GeForce GTX 1080 Mobile]
1ba1 GP104M [GeForce GTX 1070 Mobile]
1ba2 GP104M [GeForce GTX 1070 Mobile]
1bb5 GP104GLM [Quadro P5200 Mobile]
1bb6 GP104GLM [Quadro P5000 Mobile]
1bb7 GP104GLM [Quadro P4000 Mobile]
1bb8 GP104GLM [Quadro P3000 Mobile]
1bb9 GP104GLM [Quadro P4200 Mobile] <------- my videocard
1bbb GP104GLM [Quadro P3200 Mobile]
1be0 GP104BM [GeForce GTX 1080 Mobile]
1be1 GP104BM [GeForce GTX 1070 Mobile]
1c20 GP106M [GeForce GTX 1060 Mobile]
1c21 GP106M [GeForce GTX 1050 Ti Mobile]
1c22 GP106M [GeForce GTX 1050 Mobile]
1c23 GP106M [GeForce GTX 1060 Mobile Rev. 2]
1c60 GP106BM [GeForce GTX 1060 Mobile 6GB]
1c61 GP106BM [GeForce GTX 1050 Ti Mobile]
1c62 GP106BM [GeForce GTX 1050 Mobile]

 

Try this one:

 

The Quadro P3200/4200/5200 should not be compatible with the M6800, you need a very special vbios for the M6700 and M6800 to use Pascal card, as for now we only have working vbios for P3000, P4000 and P5000, but none has been discover for P3200, P4200 and P5200.
Furthermore you can't modify a vbios to works on another card, unless you are called prema but it's very unlikely.

 

Thank you very much for trying to help but no luck, again the same blue screen and instant reboot..

Asked the seller to dump the original vbios Nvidia Quadro P4200 86.04.84.00.2A from the HP ZBook 17 G5 laptop.
Perhaps someone else will upload some kind of vbios dump and it will work ..

 

It is unlikely that any vBIOS for this card will work. We have only seen engineering sample vBIOS's working for the P3000, P4000, and P5000 as mentioned... Doubtful that you would see early vBIOS versions like this for the later iteration of Pascal cards.

You can take a look at this thread from @JEAMN. He managed to get a GeForce 1070 to boot without an appropriate vBIOS version by mucking around in the BIOS. Tricky stuff.
http://forum.notebookreview.com/threads/trials-and-tribulations-installing-a-1070-in-a-m6800.828000/

 

software crutches are far from being an option here it only need a working vBIOS option, but even the above mentioned vBIOS from HP ZBook 17 G5 laptop produced the same blue screen. It remains to hope for a miracle and someone will lay out a really working vBIOS for Quadro P4200, in the worst case I will have to sell a video card

 

It's really not a vBIOS problem, but rather a problem with Dell's system BIOS that doesn't support some of the features present in the released vBIOS for pascal and newer chips. (The vBIOS that work for Pascal are all for engineering samples, I believe) The system BIOS is supposed to load some lookup tables for system functions into known memory locations before handing initialization off to the OS. With pascal and newer chips, the m6800 BIOS is basically crashing after loading the vBIOS so it never actually gets these tables setup in memory. Windows 10 can't deal with that, so it bluescreens and crashes. Linux is more forgiving and is able to boot and run correctly. I bet you could boot into Linux just fine with that HP vBIOS.

My software trickery was actually a boot loader that manually fixed the tables in memory before Windows started to load. Basically the exact thing that "Secure Boot" is supposed to prevent. It ran in a pre-boot execution environment before all the memory protection was put into place. Hackintosh guys are doing this sort of thing all the time.

I highly recommend not going down that route.

 

Do you have any notes about the software trickery you did ? you were using clover ?
Might be interesting to try my 1080 Zotac when I will fix it on my M6700

 

People, or maybe the video card does not work correctly due to the fact that I have a version of the BIOS of the A19 laptop but the A26 is already available. I just can't update the BIOS of the laptop itself: after unpacking and rebooting, the BIOS does not flash and the laptop just reboots .. trying of all the keys via the command line, there is no result. Maybe someone has a dump of a normally working BIOS with a clean ME region and I will change serials on my through the programmer?