DELL XPS M1530 Laptop Motherboard Logic Main System Board Assembly NVidia 8600M 256MB X853D X852D F406K RU477 F124F C929C F125F N028D N029D MU715 MU716 Refurbished DDR2 Intel Socket 478 genuine oem dell laptop motherboard dell xps m1530 - socket 478 cpu (not included) nvidia 8600m 256mb manufacturer refurbished (dell) p/n: mu715