testmusictest Posted February 9, 2009 Share Posted February 9, 2009 I can drive my 2 x1500 w/ QE/CI successfully. In Separate. 0x7146 & 0x715F Now it occurs to me, my mobo is M2N plus SLI vista edition. Yes, with 2 pci-e 8x slot. But I open the dual vga card in the BIOS, I still can't see the 2nd card. The second monitor just keeps blank, no signal from the power on of the machine. And sometimes can't boot normally. I have to turn of the power switch back of the machine, wait for 30 sec. switch on, and then power on. Anybody knows how to open the 2nd card? Thanks a lot in advance if any reply. testmusictest Link to comment Share on other sites More sharing options...
Nick14 Posted February 9, 2009 Share Posted February 9, 2009 those card doesn't support Crossfire and i dont think your Mobo does either Link to comment Share on other sites More sharing options...
testmusictest Posted February 9, 2009 Author Share Posted February 9, 2009 those card doesn't support Crossfire and i dont think your Mobo does either dear Nick, Thank you for your reply, and your reply reminds me that though the X1550 supports crossfire, but the mobo supports "SLI", I should try the nVidia card!!!(Maybe I can get 4 monitors support! Who knows?) I also got a pm told me that I should try 2 cards w/ same device ID. Maybe that helps. Thank you! I'll try! Link to comment Share on other sites More sharing options...
Nick14 Posted February 9, 2009 Share Posted February 9, 2009 Try with 2 card from the 8xxx For best support but else 7800gt works good an is cheap and thx for telling the X1550 supported crossfire Good to know Link to comment Share on other sites More sharing options...
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