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Asrock 785G motherboard and an HD3470 video card.

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January 23, 2012 10:12:30 PM

I have a 785G based Asrock motherboard.
Currently, I'm using an HD2400XT video card in Hybrid Crossfire.
I'd like to upgrade to an HD3400 series card, but my manual only mentions support for the HD3450.
Can I use an HD3470 in Hybrid Crossfire as well?
a c 422 V Motherboard
a c 266 U Graphics card
January 23, 2012 11:46:23 PM

According to this, all HD 3400 series cards should work.
http://support.amd.com/us/kbarticles/Pages/ATICrossFire...

"Hybrid ATI CrossFire™ Platform(Onboard GPU + 1 discrete GPU) Requirements:

The requirements of a ATI Hybrid CrossFire system are:
ATI Radeon™ HD 2400 Series, ATI Radeon™ HD 3400 Series or ATI Mobility Radeon™ HD 3400 Series graphics processor
ATI Radeon™ HD 2400 supports only ATI Hybrid CrossFireX™ technology and ATI SurroundView™ technology.
A motherboard based on an AMD 780G or AMD 790GX integrated chipset
Windows Vista®"
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January 24, 2012 12:19:10 AM

Thanks.
That was kind of what I thought, but Asrock's documentation only mentions the HD2400 and the HD3450.
The results with the 2400XT have been surprisingly good, but I was wasn't sure an HD3450 would offer enough improvement to justify the effort.

A 3470 should prove to be a better option.

Edit: I just checked out the specs. The HD3450 has LOWER clock speeds and fillrates when compared to the HD2400XT.

I'm going with an HD3570. That GPU is clocked higher than the HD2400XT and has better fillrates.

Thanks for the input.
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a c 422 V Motherboard
a c 266 U Graphics card
January 24, 2012 1:40:40 AM

iggybeans said:


I'm going with an HD3570. That GPU is clocked higher than the HD2400XT and has better fillrates.


I presume that was a typo and you meant 3470.
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February 9, 2012 11:33:15 PM

clutchc said:
I presume that was a typo and you meant 3470.


Yes, 3470.
BTW - The card arrived and after instillation uit would appear that crossfire is disabled.
So, I guess, it only works with the 3450.
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a c 422 V Motherboard
a c 266 U Graphics card
February 9, 2012 11:37:32 PM

You probably need to uninstall the Catalyst pkg (driver) and re-install it with the new card in place.
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February 16, 2012 11:42:15 PM

clutchc said:
You probably need to uninstall the Catalyst pkg (driver) and re-install it with the new card in place.


Bingo! That worked. Hybrid Crossfire now works. Thanks!
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February 16, 2012 11:42:33 PM

Best answer selected by iggybeans.
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a c 328 V Motherboard
a b U Graphics card
February 17, 2012 2:06:57 AM

This topic has been closed by Nikorr
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