Scanned motherboard in 1200DPI
Link for Bios & schematic
Link for Bios & schematic
BIOS - ThinkPad ET481 NM-B471 T480s (type 20L7, 20L8) BIOS +SCHAMATIC+BOARDVIEW
T480s (type 20L7, 20L8) Laptop (ThinkPad) ET481 NM-B471 Rev 1.0 BIOS bin zip n22uj09w and T480S NM-B471R10- BOT.pdf T480S NM-B471R10- TOP.pdf ThinkPad T480S LCFC NM-B471 Schematics EC bin ZIP OK
pkbiosfix.com