Lenovo Thinkpad E420 Board Schematic & Boardview, LLW-1/LGG-1
The Laptop Motherboard Schematic Diagram and boardview(.bdv) for Lenovo Thinkpad Edge E420 laptop/notebook, Wistron LLW-1/LGG-1.
CPU: Intel Sandy Bridge
Discrete VGA Whistler-LP 1G/2G Seymour-XT 1G
Chipset: Intel PCH