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The motherboard schematic for Lenovo IdeaPad U455 laptop/notebook,  NAUR2 Mainboard Compal LA-5931P,  
Chipset: ATI RS780MN +  ATI M93-S3 LP
OEM: Compal Electronics, Inc.
Title:  SCHEMATIC A5931
Document Number: 401814
Rev: C
Format: PDF
Total Pages: 43
File size: 1.50 MB
Price: $9.5

Block Diagram: