Lenovo Yoga 900S-12ISK LCFC BYG42 NM-A591 Schematic 05/03/2020 by notebook Schematic for Lenovo ThinkPad T480 Laptop/Notebook. LCFC BYG42 NM-A591 Mainboard Tag: BYG42 NM-A591 Rev: 0.1 Format: PDF Total Pages: 50 File Size: 1.26MB $20.00 $9.90 – Add to Cart Checkout Added to cart