Hi. we need the bios dump for Lenovo C540 AiO LA-9304P CIH61S VBA01 REV 1,0 B, this board have 2 Bios chip "U6" (25q32 with file of 4mb) and ""U66" (25q80 with file of 1mb),if you have both dump`s confirm,best regards.
This model have ec bios chip, Main bios chip On top of the board and this u24 w25x10 (128kb) on rear the board this firmware control of TSumu58.... lcd controller. This firmware is you refer (EC.ROM) on top? Thx