Lenovo X1 Carbon 7th Gen – (Type 20R1, 20R2) Laptop (ThinkPad) – Type 20R1 ( N2QET40W ), 32MB $1.99 – Purchase Checkout Added to cart Your Recently Viewed Downloads Lenovo ThinkPad edge e540,nm-a161 rev 1.0 working bios, 128KB Apple MacBook Air A1466 (820-3437-B) MacBook Pro 13 A1278 Intel Core i5 y i7 13