johnksss
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Re:Get It Colder......2
2010/04/15 22:19:07
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the whole 5k series crossfire together... from what i have tried and seen done..
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voklskier4452
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Re:Get It Colder......2
2010/04/15 22:50:20
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Any reference 5870 will work in crossfire, no bios flashing should be needed.
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hellshealer
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Re:Get It Colder......2
2010/04/15 23:21:03
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good because there are only a few reference cards still alvailible the are all goin to the cost cutting crap with the fan in the middle of the card that you cant tweak the voltage on :S
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awalleyeguy
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Re:Get It Colder......2
2010/04/15 23:43:22
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Not bad for ambient of 78F  1x 470
post edited by awalleyeguy - 2010/04/16 00:03:10
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Rudster816
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Re:Get It Colder......2
2010/04/15 23:54:24
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johnksss the whole 5k series crossfire together... from what i have tried and seen done.. No, only the same family of GPU's can Crossfire togther. E.g. 58xx with other 58xx cards. The only "exception" to this being the 5970 with the 58xx cards. e.g. 5770's cant CF with 5830's, but they can CF with 5750's.
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johnksss
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Re:Get It Colder......2
2010/04/16 00:38:34
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Rudster816 johnksss the whole 5k series crossfire together... from what i have tried and seen done.. No, only the same family of GPU's can Crossfire togther. E.g. 58xx with other 58xx cards. The only "exception" to this being the 5970 with the 58xx cards. e.g. 5770's cant CF with 5830's, but they can CF with 5750's. yet...you are wrong once again. you can in fact crossfire them...but will it yield better performance xfiring a 5770 with a 5870...no, it will not. and it's also not easy to do, but can be done. a 5870/5850/5970..yes, with little to no trouble.
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Rudster816
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Re:Get It Colder......2
2010/04/16 00:43:32
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johnksss Rudster816 johnksss the whole 5k series crossfire together... from what i have tried and seen done.. No, only the same family of GPU's can Crossfire togther. E.g. 58xx with other 58xx cards. The only "exception" to this being the 5970 with the 58xx cards. e.g. 5770's cant CF with 5830's, but they can CF with 5750's. yet...you are wrong once again. you can in fact crossfire them...but will it yield better performance xfiring a 5770 with a 5870...no, it will not. and it's also not easy to do, but can be done. a 5870/5850/5970..yes, with little to no trouble. You cant CF them officially, I'm not sure if there is a hacked driver for it or not however. That would be like saying X48 supports SLI if it did. http://game.amd.com/us-en/crossfirex_about.aspx http://game.amd.com/us-en...rex/CF_combo_chart.jpg
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johnksss
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Re:Get It Colder......2
2010/04/16 00:49:09
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Rudster816 johnksss Rudster816 johnksss the whole 5k series crossfire together... from what i have tried and seen done.. No, only the same family of GPU's can Crossfire togther. E.g. 58xx with other 58xx cards. The only "exception" to this being the 5970 with the 58xx cards. e.g. 5770's cant CF with 5830's, but they can CF with 5750's. yet...you are wrong once again. you can in fact crossfire them...but will it yield better performance xfiring a 5770 with a 5870...no, it will not. and it's also not easy to do, but can be done. a 5870/5850/5970..yes, with little to no trouble. You cant CF them officially, I'm not sure if there is a hacked driver for it or not however. That would be like saying X48 supports SLI if it did. http://game.amd.com/us-en/crossfirex_about.aspx http://game.amd.com/us-en...rex/CF_combo_chart.jpg and they said we couldn't put water on a cpu break an ac apart to cool a pc make a casscade system for a pc over clock past 3 ghz / 4ghz / 5ghz/ 6ghz/ 7ghz and yet....it's been done.. so what point are you trying to make? if we listen to you...hell...we'll stay in the stone age...rotflmao!
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Rudster816
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Re:Get It Colder......2
2010/04/16 01:35:06
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Thats entirely different, and its a dumb argument to make. ATI doesnt support it, period. Yeah, someone may be able to make a hacked driver for it, but the limitation is likely in the hardware. Its like saying we can SLI a GTX 280 with a GTX 480 if we try really hard. In all likely hood, its just psychically impossible, and pointless to do. They said we couldnt go to the moon. Does that mean we can go to Uranus? No. There are some things in life that just arent possible.
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johnksss
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Re:Get It Colder......2
2010/04/16 01:44:51
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Rudster816 Thats entirely different, and its a dumb argument to make. ATI doesnt support it, period. Yeah, someone may be able to make a hacked driver for it, but the limitation is likely in the hardware.<--- it's call bios flashing, pretty sure you can flash a 5770 to a 5870, but of course you wont be picking up any more shaders in the process.(speculation of course) Its like saying we can SLI a GTX 280 with a GTX 480 <----ummm, no. they are not made from the same tech, so your stretching .if we try really hard. In all likely hood, its just psychically impossible, and pointless to do. <--true..that was pointless They said we couldnt go to the moon. Does that mean we can go to Uranus? <---today...no...in the future..maybe...you don't know. your guessing. There are some things in life that just arent possible. and making a gtx 280 into a gtx 480 is surely one of them...making a 5770 into a 5870 is way more plausible.
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expedision
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Re:Get It Colder......2
2010/04/16 03:05:10
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awalleyeguy Not bad for ambient of 78F 1x 470 Nice run! What clocks are you running on the 470.
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awalleyeguy
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Re:Get It Colder......2
2010/04/16 04:27:50
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expedision awalleyeguy Not bad for ambient of 78F 1x 470 Nice run! What clocks are you running on the 470. 790/1800
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Q56_Monster
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Re:Get It Colder......2
2010/04/16 05:46:31
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Success! I finally finished the chiller, and had a few hours to get some testing in last night. Thanks to the "get it colder" crew for all your help and pointers. (Especially Nate man!) I put vaseline on the frosted areas discovered during testing, and it worked really well. Very little condensation on the dvi and sli connectors. Everything else was bone dry. I actually didn't need the shop towel hanging out of the back of the gpu. The chiller tops out at -26C when under load with 1 cpu and 1 gpu. This is the temp of the liquid in the cooler, not at the blocks. Using eleet it reports cpu at -23C, but I don't know what the cores are at...what's the best way to monitor that? Precision reports 1 gpu at -5C and one at 8C (I think that one is stuck, since it never changed). Flow rate seems ALOT slower with the cpu block now in the loop, even at room temps it's just a dribble......well, it works @ -26C, so I guess I can't complain. I'm not sure what I'll find when I get the other 295 prepped and add that to the loop. I spent most of the 2 hours benching trying to figure out this 980x cpu...only managed 4.8Ghz, which I'm not too happy about considering the temps. Of course more testing, testing, testing. I did manage to get in a few vantage runs (couldn't stop without first doing that, LOL!) Here's the mess. No more pretty system  Ah, who cares, temps are @ -26! Last night Hwbot was down, and I thought for sure this was the #1 single 295 winner, so I went on to other things. Dang, I'm still off 87 points. Oh well, more fun for another night. I haven't run any physx-on runs with the single 295, so as the chiller was "warming-up", I thought I'd run one for grins. I bumped the cpu back down too. Not too bad for the chiller being turned off 30 minutes before....liquid temps here started out at 17F and ended the run at 22F. It took 30 minutes to bring the liquid from -26C to -5C (22F) by continuously running vantage. I thought that might be the smartest thing to do rather than just turn everything off and go to bed. I ended up turning the computer off 35 minutes after I turned the chiller off. Liquid temps were 29F at that point. I left it with 2 house fans blowing on it overnight just to be safe. Now I just gotta get that other 295 prepped.....and work on this cpu.
post edited by Q56_Monster - 2010/04/16 08:42:44
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johnksss
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Re:Get It Colder......2
2010/04/16 10:08:38
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great going !! what was the cpu temp sitting at during your vantage run. and what was the over clock on the cpu at?
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Q56_Monster
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Re:Get It Colder......2
2010/04/16 10:20:35
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CPU was at 4.8Ghz (4788) @ 1.7 vcore. With the limited time I had last night, I wasn't able to get the vcore down. Before (on ambient water temps) I was at 4692 @1.74 and anything below that would not work. At least I'm a little lower in vcore. But, it's probably borderline @1.7 because I got a fair amount of BSOD 101's. I'm not sure what cpu temp was during vantage...I never run those programs during the benchmark being that it might lower my score. What do you run for temps?
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johnksss
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Re:Get It Colder......2
2010/04/16 10:35:53
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i use real temp and eleet i put both programs up and off to right. when the test switches to test 2 cpu. for a brief second you can see where your temps are. after it finishes...you'll see the max temps and what your current temps are... then you would slowly back down voltage from there or keep upping mhz till it crashes. up a few mhz, then do a cpu test only...pass...try a bit higher.(i know you know this...but sometimes i like to see it on the screen...lol)
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xxrabid93
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Re:Get It Colder......2
2010/04/16 10:49:51
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Do you guys always run your benches with monitoring programs up? I have always thought that they would decrease the performance slightly...
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Q56_Monster
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Re:Get It Colder......2
2010/04/16 11:02:54
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I don't know why I forgot about eleet HUD for monitoring. I remember when sidewinder created that, but have not needed to use it since I kind of knew the 920 like the back of my hand. @rabid: John's just talking testing, not going for a score
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xxrabid93
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Re:Get It Colder......2
2010/04/16 11:05:26
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Thanks for the clarification.
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johnksss
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Re:Get It Colder......2
2010/04/16 11:09:19
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yep..testing...to get an idea of how well the chiller is holding temps against the cpu or if the cpu is getting carried away. you can use the cpu temp off the board, but that's is the tcase temp....so at 50c..your cores will be anywhere from 60c to 80c from there. although...i have been known to run it will benching for scores..to see if it had any real effect....and i found that it really didn't..since i got a 7th place rank using it (5970)
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Q56_Monster
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Re:Get It Colder......2
2010/04/16 11:15:35
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Yea, the same with anti-virus programs. I don't find any difference. People get caught up in habits....it worked once for them, so now they swear by it.
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johnksss
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Re:Get It Colder......2
2010/04/16 11:49:51
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Q is all set. one thing Q...after a few hours of benching...did you see any type of condensation on the foam tap wrap?
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Q56_Monster
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Re:Get It Colder......2
2010/04/16 11:59:28
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No, nothing on the foam tape. Nothing anywhere.
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johnksss
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Re:Get It Colder......2
2010/04/16 12:16:13
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cool. means that's it's good at -30 but that tape folds under pressure at -65 to -82 <--new record for me i might add...woohooo -80 club now! i had to wrap it with shop towels to keep the water at a minimum.
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awalleyeguy
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johnksss
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Re:Get It Colder......2
2010/04/16 13:13:00
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so a 470 is quite a bit lower in performance over the 480...WOW!
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awalleyeguy
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Re:Get It Colder......2
2010/04/16 13:27:19
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johnksss so a 470 is quite a bit lower in performance over the 480...WOW! Yes I would say so, probably has a lot to do with less power available besides of course the lesser specs. This card has not gone over 63C during vantage runs. Much better than I expected. May not be a 5870 killer but a very nice card anyway. Will see what 2 do next week. Not done pushing this one yet.
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johnksss
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Re:Get It Colder......2
2010/04/16 13:30:17
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cool! i know your not. that's why im waiting it out. you can pull some decent numbers out of cards....so we shall see what this thing is made of.
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johnksss
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Re:Get It Colder......2
2010/04/16 15:34:33
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what did you get when you ran heaven 2.0 extreme tessellation?
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awalleyeguy
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Re:Get It Colder......2
2010/04/16 16:55:39
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Didn't run that yet. Just took a gold (for now) on HWBOT
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