1 For Intel Centrino processor (1MB Cache), 2 x DDR RAM slots, 1 x media card reader, 1 x 1394 firewire plug, 1 x expansion slot, 3 audio ports , IRDA port enable2,100% tested ok with test report with best quality and after sales services.3,45days warranty days,competitive price. And the laptop motherboard defectives would accept to send back to us for below conditionsThe replacement for defectivesA,During 45days warranty with bar code at interface.B,Not contrived and with test report and permitted maintaining by yourselfC,Shipping cost would be paid by half,such as sending back to us by customers and returned the replacement by usD,Any returns would be applied or inform to my company 4,refurbished for all and have integrated & non-integrated chipset card.5, brands would be available.6,minimum order quantity(MOQ) for 1pc7,We could accept the payment by Western Union, T/T or Paypal8, we always use the DHL, UPS ,TNT or  EMS9,packing for each wrapped with foam into a static bag, 2pcs/inner box,10 boxes/ctnone piece : (37cm X 29cm X 7cm) or (42cm X 29cm X 7cm)many pieces:(48cmX45cmX30cm) or (64cm X 51cm X 46cm) we have other famous motherboard and LCD screen,keyboard,battery,charger,,,,,,we still have other styles for hot selling and the competitive price for below laptop motherboards are on used,large quantity on stock.DV6000 HP 443775-001,431364-001,443777-001,434723-001,431365-001             434722-001,  446475-001,  442875-001C700     HP 462440-001,462439-001,447315-001,454883-001DV2000  HP 448596-001,462535-001,431843-001,453411-001    1530,6000,D830,     T61   43Y9044,44C3933,44C7866,41W1487,43Y9047,44C3931,42W7652                42W7875,43Y9047,42W7651      T60    44C3989,44C3985,42T0163,42T0122,44C3979,42T0120,44C3977       R61    42W7877,42X6819,42W7869LCD screen for AUO    B154EW04                              LP121X04-C2,LP171WE2-TLA1(LP171W04-A2)          LTD121EXVV,LTM12C283                    LTN121XP01,LTN141P4-L02(141P402S4LV1.0),LTN141XA-    L01(LTN141XAS4LV1.0}