Lenovo T470S type 20JT, NM-B081 Rev 1 Working bios,W25Q128_16MB $1.99 – Purchase Checkout Added to cart Your Recently Viewed Downloads Lenovo ldeaPad S500,Touch CHIP MAIN BOARD REV 2.2 working bios,EC_2MB & Main_4MB Lenovo LaVie Z HZ750 ,MS-13D11 rev 1.0 clear me working bios, 8MB