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
HD PHOTOS
https://pkbiosfix.com/threads/nm-b471-lenovo-thinkpad-t480s-scanned-hd-photos.5798/