QosmioF50SeriesMaintenanceManual   B-3
TableB-1SystemBoardICs(topandbottom)
Number Name
U3 NorthbridgeAC88CTGMQT62B2
U4 HDMICECControllerR5F211A4SP
U10 SouthbridgeICH9M
U18 ClockGeneratorICS9LPRS387BKLFT
U20 RTL8111C-GR(GigaLAN)
U37 ECKB926QFA1
T1 LANTransformer