[Official] The AMD Radeon 7800 Owners Club - Page 205

Now the system keeps crashing with this 5450... GAH! Maybe one of my buddies has an old GPU laying around.

Ok. got my gigabyte 7870. ITS A BEAST!!!
Running really cool (about 60C under load).


I have one question tho. It is my biggiest, heaviest card yet and it is actually "bending" my pci-e slot. You know, Just like those heavy cards use to do.
Should I supporty is to tie to hdd trays or something ?

My 7850 seems to be OK even with the full cover waterblock on, but what I used to do with my old 4870 was to connect the power cable that way so it could pull the card up. I just fed it from the top so the card was kind of hanging on the cable too.
Sent from Xperia Pro

Yeah I could do the same but I don't want to stress power cables

i crossfired my his hd7850's.... however trixx shows one card at x16 @x16... the other card reads x16 @ x1 1.1

***, my board has 2 x16 @x16 slots... board ga 990fxa-ud3

what can i do to get this right?

It's normal to have your second card show PCIe 2.0 x1 when idle. Once the card is stressed, it should kick into 2.0 x16 speeds.

Just did my new build yesterday. Got one of these babies in there. Specifically an MSI 7850 2gb Twin Frozr III

http://www.techpowerup.com/gpuz/5h59y/

I'm using the newest 12.11 beta.

Hope to get this baby overclocked when 12.11 drops fully, since I"ve heard that 12.11 beta has problems with MSI Atterburner. I guess I could use the CCC to overclock as well. Anyone know of any specific problems with this card? I haven't owned an AMD card for years now (last one I got was a x1900XTX 512), so i'm a bit out of the loop when it comes to overclocking and dealing with AMD cards. I have been using the same 88GT for the past 5 years so my knowledge in this field shrank considerably.

Also its normal that the board/card ramps down to pcie 1.1 while idling right? I see that it goes up to 3.0 during rendering, but I just want to double check. Last time I issues with PCIe lane speeds its SEVERELY impacted my performance (I had gotten my card stuck at x8 I believe which ravished my FPS and benchmarks).

And whats the benchmark everyone is using now a days? 11 or Vantage? I have never been able to use 11 as this is my first DX11 hardware, so I'm just curious which is the "standard" for making the standard? Heh.

@BF3PLAYER: i believe thats normal. Thats my question kinda too. BUT, if its stuck at that speed DURING load? Meaning when rendering, if it still does not ramp up to x16 3.0? Try reseating the card. I had a problem with PCIe lane speeds awhile back, and it took reseating the card to remedy the issue. If its just normal tone down during idle dont' sweat it. But if its stuck at that during a game or futuremark test? Reseat it.
Edited by kmac20 - 11/11/12 at 8:51am

yes during idle the card will drop to the lowest pcie link state to save power.
Unigine Heaven 3.0 is a good DX11 benchmark

if using CCC to overclock i suggest u don't go over 1 GHz because CCC doesn't allow voltage tweaking

I usually UNDERVOLT all of my overclocks actually. I try to get the highest overclock for the lowest voltage/temperatures. Makes the parts last longer to boot! So I dont mind having that restriction on my GPU overclocking. Never been a big fan of overvolting GPUs.

Maybe its different now with these new(er) GPUs, and maybe i should be ramping it up. But I just never saw a large enough return in the past to warrant voltage increase which results in a higher temperature/power draw and decreases the time my parts last.

Thanks for response amigo.