Hi Guys! Just want to thank every member of this forum, a special thank to Nando. Finally i get my egpu project working. This is my configuration: Dell studio xps 1340 p9600 dual core 2.66 8 gb ram 500 gb hd (7200 Rpm) i- gpu hybrid power technology nvidia 9400m working with g210m. e- gpu sapphire hd 7770 connected via pe4h 2.4. Everything works just plugging in the express card before start up. My previous 3d mark 06 score with i-gpu was about p4839. Here my current benchmarks 3d mark 06 p12235 AMD Radeon HD 7770 video card benchmark result - Intel Core 2 Duo Processor P9600,Dell Inc. 0Y525R score: 12235 3DMarks 3d mark vantage p8679 AMD Radeon HD 7770 video card benchmark result - Intel Core 2 Duo Processor P9600,Dell Inc. 0Y525R score: P8679 3DMarks 3d mark 11 p2811 AMD Radeon HD 7770 video card benchmark result - Intel Core 2 Duo Processor P9600,Dell Inc. 0Y525R score: P2811 3DMarks Now i can play fluently Mass Effect 2 and the Witcher 2 Thank you again!!!!!! Tech Inferno Fan>> pas205's RE5-var-dx9-1280x800 result of 76.5 is posted here.