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Author Topic: new video card with old motherboard - compatible?  (Read 1357 times)
maul
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June 14, 2011, 07:39:29 PM
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Yes, I googled the question and searched this forum but found no answer.
I have a ~4 year old asus commando motherboard with a x16 pcie gen1 connector. Are the newest cards (6990, etc) compatible with this? I've read that the connector speed doesn't really matter for mining, so I assume I'll be fine (if the card itself is backwards compatible, which I hope it is). But I don't know much about hardware.
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SteveFL
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June 14, 2011, 07:49:45 PM
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Provided the interface is x16 you shouldn't have any issues.  I mine with a HD5850 on a Dell 4700 circa 2005.  I did have to replace the power supply but the mobo worked fine.

Beware that some mobos made around 2005-2006 were known to have a bad batch of capacitors and the increased heat load from the card may be enough to do them in.  I'd inspect all caps for bulging/splitting before starting up the rig.
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June 14, 2011, 07:56:01 PM
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Beware that some mobos made around 2005-2006 were known to have a bad batch of capacitors and the increased heat load from the card may be enough to do them in.  I'd inspect all caps for bulging/splitting before starting up the rig.

Thank you. I've been gaming a lot with my current card (gf 8800 gts) and it's temperature can occasionally jump as high as 90-100 °C. Besides the occasional freezing (only in a few games, weird) I had no problems in the past 4 years.
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June 14, 2011, 07:57:28 PM
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I recently got into BTC, and outfitted a previously unused desktop from 4 years ago with 2xRadeon 5770s.  It had two PCI express slots so it worked fine.

Been running fine for days.

So old equipment definitely can work well with new video cards.
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June 14, 2011, 09:26:58 PM
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did the old motherboard have a built-in video card?
if so did that create a problem?

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