i did this ... but i named the 2000M vbios rom 2000m.rom ... i fetched the vbios from another side because i cound not extract it with uefitool.
I cannot get any output on VGA/Displayport ... also if i choose the NVram option "discret only" i get a black screen. any help? Am 30.09.2018 um 18:32 schrieb Evgeny Zinoviev: > On 09/30/2018 02:33 PM, kinky_nekoboi wrote: > >> thanks i will try to buile a rom from master tree than. >> is there any tutorial to insert the right vgabioses into the rom > 1. Extract VGA ROM from your UEFI dump as explained here: > https://www.coreboot.org/Intel_Sandybridge_Build_Tutorial#Nvidia_Option_ROM > 2. Run `lspci -nn` on your machine with dGPU enabled, you can do that > under Lenovo BIOS or under latest coreboot with CMOS option > "hybrid_graphics_mode" set to "Dual Graphics" (the PCI device is not > hidden in this case). > 3. Add VGA ROM to coreboot image: `cbfstool build/coreboot.rom add -t > optionrom -n pci10de,0ffc.rom -f vgabios.rom`, where 10de is the vendor > id and 0ffc is the device id of your GPU. > > AFAIK the nvidia driver doesn't work at the moment but you can use > nouveau. Optimus is not supported officially yet but is sort of > available: https://review.coreboot.org/#/c/coreboot/+/28380/ > -- coreboot mailing list: [email protected] https://mail.coreboot.org/mailman/listinfo/coreboot
