HP Presario SR55 SR56 SR57 Series Intel Socket LGA775 Desktop Motherboard 517069-001.HP Part Number: 517069-001Compatible Part Numbers: MS-7525 KJ384-69002 464517-001 480429-001Please 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:4 x USB Ports3 x Audio Ports2 x PS2 PortsVGA PortRJ-45 (LAN) Port Compatible Models: HP Presario SR5548F SR5552DE SR5552NL SR5553HK SR5555CX SR5555D SR5570CF SR5572CF SR5601UK SR5602FH SR5610CF SR5611AF SR5611CF SR5611IT SR5611NL SR5611PT SR5611SC SR5616F SR5617ES SR5618ES SR5618F SR5619ES SR5620AN SR5621AF SR5621IT SR5621PT SR5621SC SR5625LA SR5630CN SR5633WM SR5635CX SR5638CX SR5655CN SR5701IT SR5701SC SR5701UK SR5702F SR5711AF SR5711BE SR5711CH SR5711ME SR5713DE SR5713ES SR5714ES SR5715IT SR5715UK SR5718F SR5720AN SR5720KR SR5721AF SR5721NL SR5721SC SR5725KR SR5730CN SR5731SC SR5733ES SR5738CX SR5738HK SR5740AN SR5740KR SR5741NL SR5748HK SR5758HK SR5768HK SR5780HK SR5790D TouchSmart IQ520tr