- Jun 19, 2015
- 23
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- 10,520
Recently, I bought a new GPU and sold my HD7870 to a friend, who has the following mobo.
The strange thing is that the last time I had my PC open running Borderlans 2 to swap the cards around for seeing that both fans spin to know that I will not sell a faulty card to my friend, and they did. I never push my HW to its limits, and prefer running it cooler rather than throttled. This HD7870 is 3 years old, but both fans ran fine when the card was in MY Mobo ( Asrock 970 Extrieme 4 ), so why not his. And yes we live in Bulgaria, where most of the mid-grade cards are not available in the HW shops, so he can't really go and by a HD7870 at a decent price.
Yesterday I went at his home and installed my fully working HD7870 like so ( The top slot closest to the CPU ). Only to discover that when my HD7870 was pared with his Intel chipset ASUS mobo, the fan marked in red parallelepiped was not spinning. Strange but fact.
I currently resolved this issue by installing the Sapphire Trixx utility, and created a custom profile for the fans. Once the fan throttle reaches about 82%, both fans spin as expected. I know exactly that this is not a fan issue, because it worked 4 days ago, and nothing will happen to a card if it is sitting inside the shown foam box covered in anti-static. Other than that we installed Crimpson from the AMD's website and from Sapphire's website. The result is the same.
So any Idea why this happens, as to me it looks like a PCIE gen 1 issue ?
The strange thing is that the last time I had my PC open running Borderlans 2 to swap the cards around for seeing that both fans spin to know that I will not sell a faulty card to my friend, and they did. I never push my HW to its limits, and prefer running it cooler rather than throttled. This HD7870 is 3 years old, but both fans ran fine when the card was in MY Mobo ( Asrock 970 Extrieme 4 ), so why not his. And yes we live in Bulgaria, where most of the mid-grade cards are not available in the HW shops, so he can't really go and by a HD7870 at a decent price.
Yesterday I went at his home and installed my fully working HD7870 like so ( The top slot closest to the CPU ). Only to discover that when my HD7870 was pared with his Intel chipset ASUS mobo, the fan marked in red parallelepiped was not spinning. Strange but fact.
I currently resolved this issue by installing the Sapphire Trixx utility, and created a custom profile for the fans. Once the fan throttle reaches about 82%, both fans spin as expected. I know exactly that this is not a fan issue, because it worked 4 days ago, and nothing will happen to a card if it is sitting inside the shown foam box covered in anti-static. Other than that we installed Crimpson from the AMD's website and from Sapphire's website. The result is the same.
So any Idea why this happens, as to me it looks like a PCIE gen 1 issue ?
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