The front side of the motherboard contains the following major chips:

Toshiba TC31501AAMBG WiMax package. According to Chipworks, "This device operates in the 2.5GHz frequency band and offers high-speed connectivity in the mobile environment with low power consumption." (Thanks guys!)

Broadcom BCM4330XKFFBG 802.11 a/b/g/n MAC/Baseband/Radio with Integrated Bluetooth 4.0+HS and FM Transceiver/Receiver

Maxim MAX8997 Power Management IC

WIP4255H

Avago CFI120 223713

Maxim MAX8893C Power Management IC