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HP 744016-001 - System board (motherboard) - With HM87 chipset - For use in 15.6-inch models equipped with UMA memory, WWAN capability, a modem, an Retail
HP 744020-001 - System board (motherboard) - With QM87 chipset - For use in 15.6-inch models equipped with UMA memory, WWAN capability, a modem, an Retail
HP 642756-001 - System board - For use in models with UMA graphics, WLAN, and WWAN (For use in all countries and regions except for Russia and Chin Retail
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