fasterhoads
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:05:30
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donta, did you get the Classy 3 yet? If so, what do you think of the board?
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recon 7185
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:05:33
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speedys0
I don't think calling EVGA asking 'what if' and expecting a definitive answer is going to happen. As you can see however from other users posts if something does happen they are handeling it on a case by case basis and trying to work out something that works for both parties.
If your looking for a guarantee, in writing, that if XXX happens they will do YYY you not going to do anything but go in circles.
My case would be a little different as I am coming from a SLI3, not a classified. I would expect classified users to have an easier time. Like i posted I was on the phone with them for an unrelated problem, so i figured what the hell i will ask while i have them on the phone
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SAMCRO-FTW
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:09:13
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recon 7185
speedys0
I don't think calling EVGA asking 'what if' and expecting a definitive answer is going to happen. As you can see however from other users posts if something does happen they are handeling it on a case by case basis and trying to work out something that works for both parties.
If your looking for a guarantee, in writing, that if XXX happens they will do YYY you not going to do anything but go in circles.
My case would be a little different as I am coming from a SLI3, not a classified. I would expect classified users to have an easier time. Like i posted I was on the phone with them for an unrelated problem, so i figured what the hell i will ask while i have them on the phone
Don't get me wrong, I understand where your coming from. I just wouldn't expect to get any tangible results. This post is 24 pages deep, I'm sure they are well aware of the concerns looming out there. If they make an official response (I doubt it) they will, but calling to ask about what if it happens is not going to yield anything that will make you feel better.
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recon 7185
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:13:12
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speedys0
recon 7185
speedys0
I don't think calling EVGA asking 'what if' and expecting a definitive answer is going to happen. As you can see however from other users posts if something does happen they are handeling it on a case by case basis and trying to work out something that works for both parties.
If your looking for a guarantee, in writing, that if XXX happens they will do YYY you not going to do anything but go in circles.
My case would be a little different as I am coming from a SLI3, not a classified. I would expect classified users to have an easier time. Like i posted I was on the phone with them for an unrelated problem, so i figured what the hell i will ask while i have them on the phone
Don't get me wrong, I understand where your coming from. I just wouldn't expect to get any tangible results. This post is 24 pages deep, I'm sure they are well aware of the concerns looming out there. If they make an official response (I doubt it) they will, but calling to ask about what if it happens is not going to yield anything that will make you feel better.
In my opinion it didn't hurt to ask. The northbridge shorted out on my LE, so I had to figure out an RMA for it and instead of sitting in silence as he typed I made some conversation. He did offer some ideas on what could be contributing to the problem, but i think most of it was covered on here already
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5thduke
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:14:07
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i might be pulling this out of my arse because i know nothing about electronics but surely somthing can be done in the bios to halt the current being requested by the pci lanes some sort of cut off lols
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:14:20
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fasterhoads
donta, did you get the Classy 3 yet? If so, what do you think of the board?
Yes, I like it but I will never be able to run 3 cards again at 16x 16x 16x.... Voltages do not dip under stress like my 759 on my classified 3 with the molex plugged in, without it plugged in my gpus run about 10c hotter and my voltages drop under stress like my classified 759. You have no digital audio ports, instead its replaced with the EVbot and USB3... ports I dont use... The SATA III/6 ports on the board I am not able to run my Killer 2100 card the installer does not install right with my hard drive in SATA III/6 mode. Do I like the board? Yes... do I feel like I got downgraded yes in a sense... Do I have to solder on a molex on my board no. Also keep in mind for those that have cases with the psu very close to the mobo you may not get a molex plugged in... I had to buy a special short 90 Degree molex adapter cable also had to sand it and its a very very tight fit...
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:18:44
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5thduke
i might be pulling this out of my arse because i know nothing about electronics but surely somthing can be done in the bios to halt the current being requested by the pci lanes some sort of cut off lols
it may be possible but your computer would be shutting down alot if you have the right setup to cause mass draw on the 12v pins on your 24pin that is where the issue is, the molex mod or a board with the molex on it offsets the load letting yoru 24pin return to normal operating voltages.
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fasterhoads
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:21:56
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donta1979
fasterhoads
donta, did you get the Classy 3 yet? If so, what do you think of the board?
Yes,
I like it but I will never be able to run 3 cards again at 16x 16x 16x.... Voltages do not dip under stress like my 759 on my classified 3 with the molex plugged in, without it plugged in my gpus run about 10c hotter and my voltages drop under stress like my classified 759. You have no digital audio ports, instead its replaced with the EVbot and USB3... ports I dont use... The SATA III/6 ports on the board I am not able to run my Killer 2100 card the installer does not install right with my hard drive in SATA III/6 mode. Do I like the board? Yes... do I feel like I got downgraded yes in a sense... Do I have to solder on a molex on my board no. Also keep in mind for those that have cases with the psu very close to the mobo you may not get a molex plugged in... I had to buy a special short 90 Degree molex adapter cable also had to sand it and its a very very tight fit...
Thanks for the info. I am looking at upgrading to an X58 and have been at witts about this new mobo or the ASUS Rampage III Extreme. I had read some of your posts early on in this thread about switching over and wondered if that is still on the table?
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/14 22:30:54
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fasterhoads
Thanks for the info. I am looking at upgrading to an X58 and have been at witts about this new mobo or the ASUS Rampage III Extreme. I had read some of your posts early on in this thread about switching over and wondered if that is still on the table?
The ASUS III Rampage is a nice board but picky on ram I can tell you that right now, if it does not like your ram be ready for a whole slew of problems... Like it likes some of the Dominator GT models but my cheap DDR3 Tri-Chn 1600 dominators it didnt get along well with at all. I kept losing ram while overclocked and not overclocked if your thinking of an asus board get the server based 1366 x58 boards that have the nf200 chips. They are a bit more refined. But the rampage is a little overclocking monster I will give it that. I already returned it to be honest, i replaced the 3 sticks of ram that burned out to match my current 3 sticks and well was not about to buy 12gigs of ram again for a single board. It too didnt like to run SATA III/6 with my hard drive and killer 2100 card.
post edited by donta1979 - 2010/10/14 22:36:21
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sgtharry
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 04:20:24
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After looking at the pictures of the "Molex Mod",all it does is put power to the backside of the 12 volt pins on the 24 pin connector? To me, that is saying that the pins in the power supply end, are loose a little, causing the heat problem? All the power is still going through the same lanes in the motherboard, no?
post edited by sgtharry - 2010/10/15 08:26:31
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remenaker
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 07:53:20
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that is what I was thinking also.
+1 to that Sgtharry.
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paintballer1388
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:00:14
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yes but you have to think those pins on the 24 pin, the pins themselves can only handle 10-15 amps. They get so hot the 24 pin melts and then shorts out. so by soldering the molex on the underside the power goes between the both CORRECT If i am correct.... AM I LOL http://www.youtube.com/user/computerkiller13888
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:05:42
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sgtharry
After looking at the pictures of the "Molex Mod",all it does is put power to the backside of the 12 volt pins on the 24 pin connector? To me, that is saying that the pins in the power supply end, are loose a little, causing the heat peoblem? All the power is still going through the same lanes in the motherboard, no?
ok this is what happens, the gpus are demanding alot of power with some type of setup, so the mobo with gpus and whatever else are demanding more power than the 12v pins on the 24 pin can supply, it does supply it but is getting heavy resistance on the 24 pin 12v pins it was not designed to deliver that much power to the computer. So by adding the molex mod under the 24 pin on the board helps reduce the power the 12v pins have to supply think of it as water is being supplied to say a turbine, but only so much water can get though the pipes are only so big, so eventually the pipes will bust because the turbine is demanding more water but the pipes supplying it can only deliver so much water. You add more pipes someplace else just on the other side of the pump this allows the stress on the original pipes to go down, the turbine gets the water it needs, and the original pipes do not burst from the overload of pressure. Loose pins can cause this BUT that is not the case the 12v pins on the 24pin can only supply so much power Once you reach the ideal setup, its just down hill from there.... Read my first post it is explained there the whys it just not have the water example i just used but has a simple enough example.
post edited by donta1979 - 2010/10/15 10:17:10
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:20:29
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paintballer1388
yes but you have to think those pins on the 24 pin, the pins themselves can only handle 10-15 amps. They get so hot the 24 pin melts and then shorts out. so by soldering the molex on the underside the power goes between the both
CORRECT
If i am correct.... AM I LOL
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Yes its in my first post=)
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AHowes
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:26:51
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Got mine done.. Will post some picks of it later on today as i'll be building the system as i'm getting the last of my water cooling parts in the next hour.
All sleeved up and i used a female 4 pin MB adapter as i have that unused on the power supply.
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:29:30
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Just keep in mind its not a 4 pin its an 8pin connector=) but that connection also supplys power to the cpu, just make sure it does not cause anything strange happening with the cpu, because not only will that connector be powering the cpu now, it will be helping offset the load of the 24 pins 12v pins.
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KMoore4318
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:29:45
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Just wanted to post up something I found interesting ; The power usage most of us have been quoting and using from Nvidia, seems to be the TPD of the GPU only, Not the card, OOps wander why Nvidia listed that as the spec. according to http://tech.icrontic.com/news/nvidia-geforce-gtx-400-series-official-today/ power demand is closer to 480 Watts for a 480; not the 300 (75+150+75) many have figured. ( damb, 480 watts /12V is 40 Amps )  If the #'s above are correct, The 480 needing 480 and a 6 pin 8 pin and bus providing 300, your 180 Watts above ATX spec, and with the 470's having two 6 pins and the bus ( 75+75+75) your 175 Watts above ATX spec.
post edited by KMoore4318 - 2010/10/15 08:56:15
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:32:02
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Yes Kmoore the GTX 480 voltages vary actually not all run at 250w some run at the between the 250-300w range in a perfect world they would all be 250 but yeah lol. I have the feeling those of us who have the 300w or close to it are the ones who get hit with this problem first and ealry. I am also sure like 12gigs of ram, 3d vision kit, 2x usb devices like in display and keyboard, any additional cards like networking cards, extra fans plugged into the boared, other usb devices, like keyboard/mouse with leds or displays and even both, usb powered headsets, controllers and so on. Think if you can add all those things in you may be at risk.
post edited by donta1979 - 2010/10/15 08:34:38
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:38:37
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lol i guess some of us got higher power consuming cards than others. It does make sense lol. the gpu itself needs so much power, the rest of the card to operate needs so much power as well.
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 08:58:26
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sgtharry
After looking at the pictures of the "Molex Mod",all it does is put power to the backside of the 12 volt pins on the 24 pin connector? To me, that is saying that the pins in the power supply end, are loose a little, causing the heat problem? All the power is still going through the same lanes in the motherboard, no?
To elaborate a bit on donta1979's reply to you. The traces on the E759/E760 are capable of handling more voltage and current load than the connector itself. By soldering on the back-side you are applying the added voltage and current directly into the conduit, the traces. It has nothing to do with "lose pins" or anything. If you read Peter's post on XS you will see he is saying the exact same thing, basically in as few words. 24-pin connector +12V pins can only carry so much voltage and current (this is why wiring comes in different gauges). For more on that read http://en.wikipedia.org/wiki/American_wire_gauge Measure the wire thickness and you will be able to get an approximate current rating (in amps) for that wire. Maximum current carrying capacity of these wires is approx. 15A, which translates into roughly 180W per wire at peak on the +12V rail. Now that's just the wire itself and it says nothing for the rating of the connector pins, which may be and very likely is lower.  AHowes
Got mine done.. Will post some picks of it later on today as i'll be building the system as i'm getting the last of my water cooling parts in the next hour.
All sleeved up and i used a female 4 pin MB adapter as i have that unused on the power supply.
Looking forward to the results
post edited by dejanh - 2010/10/15 09:03:01
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 09:25:47
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dejanh question what all do you have plugged into your board? me on my 759 Classified and 770 Classified 3 Core I7 980x 12gigs of ram killer 2100 2x GTX 480's 3x 120mm fans 1x ram cooler 1x 40mm fan Razor usb keyboard w/usb ports and usb mouse both with red glowing leds Display's usb ports nvidia 3d vision nvidia 3d vision glasses charger cord razer megalodon headset 360 controller wacom tablet 1x blu Ray Drive 1x DVD/CD burner 5x to 7x hard drives at a time Multi card/reader built into case like every memory card imaginable... On the psu not connected to mobo 1x 120mm red led fan 2x Red cold Cathoids, 1x 12" Red LED Light 5x hard drive and LED on case pcb for hot swap of hard drives. connected to mobo though SATA cables. CPU PUMP/block for self contained unit PSU's I have gone though Thermaltake Thoughpower 1000w Burned out had unstable voltages before it died causing major instability Corsair 1000hx Burned out had unstable voltages before it died causing major instability Antec TPQ 1200w "the one the 12v 24 pins burned kept chugging but unstable low dropping voltages causing major instability Now running a Silverstone Strider 1200w not the best psu but no issues as of yet and voltages dont really drop. On a Classified 3 w/molex plugged in, without molex plugged in voltages drop way too much.
post edited by donta1979 - 2010/10/15 10:04:44
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dejanh
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 09:56:29
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:00:25
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dejanh
I posted mine here http://forums.evga.com/fb.ashx?m=629389
Yes but that does not look like everything you have plugged in all accessories, if some accessories have usb ports on them that are plugged in, all fans, etc the works. Its not about posting oh look at my system its more about narrowing it down, with here are our systems and it happened to us. To give the community some type of idea of what kind fo setup potentially causes this.
post edited by donta1979 - 2010/10/15 10:20:08
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:04:33
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Question.... The classified boards have two 8-pin CPU power connections, one of which is marked "Optional". If doing the mod from the 8-pin CPU power, would it make sense to use the optional 8-pin and then plug a lead from the PSU in to it?? The reason I ask is that from day one I have only been using one 8-pin lead from my PSU and leaving the other one empty. My PSU does have two 8-pin leads so I'm thinking of plugging it in and using that as my source for the mod.
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:06:11
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Lvcoyote
Question.... The classified boards have two 8-pin CPU power connections, one of which is marked "Optional". If doing the mod from the 8-pin CPU power, would it make sense to use the optional 8-pin and then plug a lead from the PSU in to it?? The reason I ask is that from day one I have only been using one 8-pin lead from my PSU and leaving the other one empty. My PSU does have two 8-pin leads so I'm thinking of plugging it in and using that as my source for the mod.
Personally I would not do it, just for the simple fact you would be messing with the voltage to the cpu, dont know what would happen. Nothing might then again it might mess with overclocking voltatages. I am sure shamino took that into consideration when he did the molex mod.
post edited by donta1979 - 2010/10/15 10:09:13
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:11:43
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Ok so here is another question. What if you were to get thicker gage wire and also find some kind of different pins were these new pins can handle more current and the thicker gage wire will also help. or even changing over the hole 24pin connector to something different. i am sure theres a way other then just soldering a molex on the back side which makes the board look like c**p.
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:15:23
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If you go with a thicker wire it would have to be on the psu and you would need a custom 24pin connector to hold the new bigger thicker pins, but then you have to worry about can the psu handle delivering that kind of power though the 12v pins on your 24 pin. What your asking would get very very expensive.... even possibly the 24pin on the mobo would have to be changed out too. It would be very expensive infact you would be asking for a custom fabricated part. just have your dad do the molex mod and not worry about it, its easy to hide.
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:20:45
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Na he said we are going to come up with a better way of doing it instead of the molex mod. He says from his job he has some 24 pin connectors that can handle high temp and a lot of current. I am upgrading my psu anyways to the sr2 evga psu.
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donta1979
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:23:12
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there are better psu's than the sr2 psu, you will need to prob mod the 24 pin on the board too thus voiding your warranty for sure. Also if the psu cannot handle it your looking at it crapping the bed those 12v lines even on the psu's end where not designed to deliver more power than they already are.
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Re:EVGA X58 759/760 Classified 24 pin mobo/psu burning up Defect With High Power GPU's
2010/10/15 10:27:41
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I only have 90 warranty on my stupid b-stock classified anyways which 90 days isn't even a lot so. Ill keep you guys posted on what me a my father come up with and ill be sure to post back.
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