RD480 + Asus + 2 x 1900 Crossfire = Problems

jmke · 27th February 2006, 14:06

We spoke with ATI's top shot motherboard engineer and he told us that it either had some power problems and as the memory acted strangely he said that it could be a BIOS prob as well. We hope he is right as we failed to test two X1900 Crossfire cards on this setup. Luckily for ATI, the RD580 works rocks stable with those two cards and we are talking first hand here.

jmke · 27th February 2006, 22:48

Single rail PSU solves RD480 Crossfire problems

-- ATI key motherboard designer John Bruno told us that a single rail PSU is better than a multi rail PSU. He reported that ATI had some issues with multi rail PSUs while all of the single rail 500 W + PSUs were running fine. It turns out that both OCZ Power stream 600 W PSU and Akasa 650W PSU are using more than one power rails. --

http://www.theinquirer.net/?article=29940

Sidney · 27th February 2006, 23:18

It was all Intel's doing on the 2 12-volt rails. Now, let's go back to the old way, single rail. If it ain't broke don't fix it?

27th February 2006, 14:06	#1
jmke Madshrimp Join Date: May 2002 Location: 7090/Belgium Posts: 79,021	RD480 + Asus + 2 x 1900 Crossfire = Problems We spoke with ATI's top shot motherboard engineer and he told us that it either had some power problems and as the memory acted strangely he said that it could be a BIOS prob as well. We hope he is right as we failed to test two X1900 Crossfire cards on this setup. Luckily for ATI, the RD580 works rocks stable with those two cards and we are talking first hand here. __________________

27th February 2006, 22:48	#2
jmke Madshrimp Join Date: May 2002 Location: 7090/Belgium Posts: 79,021	Single rail PSU solves RD480 Crossfire problems -- ATI key motherboard designer John Bruno told us that a single rail PSU is better than a multi rail PSU. He reported that ATI had some issues with multi rail PSUs while all of the single rail 500 W + PSUs were running fine. It turns out that both OCZ Power stream 600 W PSU and Akasa 650W PSU are using more than one power rails. -- http://www.theinquirer.net/?article=29940 __________________

27th February 2006, 23:18	#3
Sidney Member Join Date: Mar 2004 Posts: 15,738	It was all Intel's doing on the 2 12-volt rails. Now, let's go back to the old way, single rail. If it ain't broke don't fix it? __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

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