admin desktops & Laptops Support Joined Dec 2, 2017 Messages 32,982 Dec 19, 2020 Thread Author #1 ThinkPad T490S X390 FT491/FX390 NM-B891 BoardView, Schematics Attachments Thinkpad T490s - NM-B891.pdf Thinkpad T490s - NM-B891.pdf 3.4 MB · Views: 20 Thinkpad T490s - NM-B891Boardview.rar Thinkpad T490s - NM-B891Boardview.rar 686.7 KB · Views: 15