HP Compaq CQ57 Series Intel Socket rPGA989 HM55 Laptop Motherboard 646175-001.HP Part Number: 646175-001Compatible Part Numbers: 01015NH00-388-G 020114V00-600-GPlease note: Motherboards are part number specific. You must order by the exact part number of the motherboard you are replacing; this is required in order to avoid returns, delays and restocking fees. You can NOT go by the model or serial number alone! We obtain cross reference and compatibility information from the manufacturer (as well as other various sources); while we do this to the best of our ability, we do not guarantee its accuracy. If you are unsure, please check with your laptop manufacturer. Please order, based on the part number only!Specifications: 1 x USB Port2 x audio port1 x RJ-45 (LAN)1 x VGA Port1 x Card ReaderCompatible Models: HP 2000-130CA 2000-150CA 2000-210US 2000-227CL 2000-354NR 2000-363NR 2000-375CA 2000-379WM 2000-450CA 2000-455CA 2000-211HE 2000-250CA Compaq CQ57 UMA HM55 CQ43-10 BASE NB PC UMA HM55 CQ57-10 NB BASE PC CQ43-101TU NB PC CQ43-102TU NB PC CQ43-105TU NB PC CQ43-111BR NB PC CQ43-112BR NB PC CQ43-113BR NB PC CQ43-260LA NB PC CQ43-416LA NB PC CQ43-419TU NB PC CQ57-109TU NB PC CQ57-113TU NB PC CQ57-413TU NB PC CQ57-414TU NB PC CQ43-110TU NB PC