ati radeon hd 5870 instal

Posted on 2009-12-30
Last Modified: 2013-11-08
I just got the ati 5870. It requires two 6pin power connections from the power supply. I had two laying around and both have a end that is colored red. My power supply is 1000w and has labels above each plug in space. 2 open labels say 'pci-e,' which is for the graphics cards I believe, but they are 8pin, not 6pin. There were 2 other open ports that read 'sata' and they were 6pin, so I conneted the red end into the power supply on those pins and ran the other end to the graphics card.

I turned the computer on but nothing happened.

Am I using the wrong cord? Did I connect the wrong end of the cord? Should I get a 6 to 8pin connector and connect each 6pin cord to the 8pin 'pci' power supply ports, does it matter what the ports are labelled as, or just that 6pin to 6pin, 8 to 8pin ?

The 8pin 'sata' power supply ports are the same type of connetor that the 6pin is. Should I connect the 6pin to the 8 pin, or is that dangerouse?
Question by:tyepoe

    Author Comment

    Don't read above...

    I GOT IT TO BOOT UP. It will boot the bios but then it goes to the black screen with a blinking line, the windows is not booting. I changed which sata cords to which drive and placed the new graphics card in old graphics card slot and also put my (second) old card in a different pci slot.

     Before I took it(old graphic card) out, I made my second graphics card my primary monitor so even if the new card doesn't work right it should load up the second card. However I moved the second card into a new pci slot, could this mess up drivers or anything?

    Accepted Solution

    ok, so I got it to work. I needed to connect the same sata cable config how it was originally

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