You buy New, original, pre-programmed, Firmware (one) MAIN BIOS chip for:
Lenovo Legion Y740-17IRH, Legion Y740-17IRHg
for motherboard with Bios chip Winbond 25Q128JV or Mxic MX25L12873F (!)
only one, MAIN Bios Chip!
If your computer has a different motherboard, or a different bios chip, ask about compatibility before buying it!
You buy and get new, programmed BIOS micro chip for concrete laptop / motherboard model!
If you need more units of this or other Bios chips, contact us, ask we right here!
--->>> If your seeking BIOS for other laptop or desktop pc model - contact to me. <<<---