[Request] Mod Graphics Settings for AIMB-217 BIOS

I having two AIMB-217 boards, one older version with native LVDS support at 800x480 resolution, and a newer one lacking this resolution—How to mod for get the newer board to support 800x480


Edit by Fernando: Thread title specified and customized

i used ch431 and Neo programmer to extract Bios
here is the old bios 800x480:

new_bios

Check the GOP settings with iBMP
[Guide] Transfer of specific Intel OROM VBIOS and GOP VBT settings by using Intel BMP tool - BIOS/UEFI Modding / BIOS modules (PCI ROM, EFI and others) - Win-Raid Forum

i tried to open bios file by MMTool. can’t it’s display an error FFs not found !!!. Please Help

I used AMIBCP for modded my new_bios. the LVDS can be work!!! hura but the Bios not boot complete. it’s displayed a message ROM IMAGE NOT LOADED - ROM IMAGE UPDATE DENIED. So I must pressed ESC on key board for exit and the mainboard continued boot into win OS.