Lenovo Thinkpad T490S Schematic & Boardview – Lenovo ThinkPad Yoga x390 Schematic & Boardview – LCFC NM-B891 Schematic & Boardview 01/09/2021 by notebook Schematic Lenovo Ideapad 530S-15IKB, LCFC NM-B891 mainboard. Tag: NM-B891 Rev: 1A Format: PDF+TVW Total Pages: 125 File Size: 3.25MB $19.90 $9.90 – Add to Cart Checkout Added to cart