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#1
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A8N SLI Deluxe w/ two Geforce 6800GT crashes
As mentioned in an earlier post - during games I get the occasional
reboot (happens every few days plus more frequent lockups) and the monitor goes into standby and does return until i force another reset. Set up a VNC server on the PC and following the more recent reboot - i connected to it and logged in via my other PC. Got a message from nVidia software/drivers saying that one of my graphics cards had been removed and therefore SLI was unavailable. I then went into Device Manager and according to that I only had one of my 6800GT cards connected. Anyone experience anything similar and/or suggest fixes. The last time I returned my PC to Mesh Computers all they did was alter some BIOS settings and replace an SATA cable! System: A8N SLI Delux, XP4000+, 2 x Inno3d Geforce 6800GT, 2 x 200MB SATA HD, DVD-ROM, DVD-RW Dual Layer, Audigy 2ZS, HEC 550W PSU (1 x 12V @ 18A and 1 x 12V @ 17A) Mal |
#2
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Thorin sat down and started singing about gold. Gandalf entered. Gandalf
said "hurry up". After being threatened with a cloven skull, from one well placed blow, said... As mentioned in an earlier post - during games I get the occasional reboot (happens every few days plus more frequent lockups) and the monitor goes into standby and does return until i force another reset. erm that should be "does not return" - oops |
#3
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In article , Mal Franks
wrote: As mentioned in an earlier post - during games I get the occasional reboot (happens every few days plus more frequent lockups) and the monitor goes into standby and does return until i force another reset. Set up a VNC server on the PC and following the more recent reboot - i connected to it and logged in via my other PC. Got a message from nVidia software/drivers saying that one of my graphics cards had been removed and therefore SLI was unavailable. I then went into Device Manager and according to that I only had one of my 6800GT cards connected. Anyone experience anything similar and/or suggest fixes. The last time I returned my PC to Mesh Computers all they did was alter some BIOS settings and replace an SATA cable! System: A8N SLI Delux, XP4000+, 2 x Inno3d Geforce 6800GT, 2 x 200MB SATA HD, DVD-ROM, DVD-RW Dual Layer, Audigy 2ZS, HEC 550W PSU (1 x 12V @ 18A and 1 x 12V @ 17A) Mal I would have a difficult time proving it to you, but it is your power supply. I read some early accounts from users of A8N SLI, and one user had infrequent problems like you. He changed out the power supply (even though according to the label, it had a high enough current rating) and his problems stopped. Now, proving to Mesh that they should use a Nvidia certified power supply, will be your problem. I'm sure they'll fight you "tooth and nail". http://forums.pcper.com/showthread.p...0&page=2&pp=15 (Note that, even though a power supply can read stable with a meter, it can have poor transient response to a heavy load, which can be enough to cause the occasional reboot. Why else would power supplies with acceptable current ratings, be causing systems to fall over ?) http://forums.pcper.com/showthread.php?t=377834 http://forums.pcper.com/showthread.php?t=380940 (Asus Probe causes reboot?) http://www.hardwareanalysis.com/content/topic/38623/ (FAQ) At the bottom of this page, is a list of "certified" power supplies. You have a high end SLI configuration, and for such a system, you cannot cut corners. http://www.slizone.com/object/slizone_build.html Note that, of the listed supplies, there are at least three different kinds of supplies. Some supplies have one 12V output, some have two 12V outputs labelled 12V1/12V2, and the remainder have three or four 12V outputs (12V1/12V2/12V3/12V4). The fact that the A8N-SLI uses EZ-Plug, means if you use a supply with three or four 12V outputs, you will end up shorting two of the 12V outputs together when EZ-Plug is plugged in. But, for stability, you need the EZ-Plug, so in a high power SLI config, it has to stay there. Thus, I would avoid any supply with more than two 12V outputs. That means I would avoid the Silverstone ST65ZF or the Turbocool 850 SSI, for use with A8N-SLI (or any board sporting an EZ-Plug). There is nothing wrong with using those supplies for some other motherboard maker's SLI motherboard (because they won't use the EZ-Plug method). (Silverstone is quad output) http://www.silverstonetek.com/products-65zf.htm (Turbocool 850 is quad output) http://www.pcpowercooling.com/produc...view=techspecs The Turbocool 510 SLI looks good, due to its single +12V output rail. Electrically, it is a perfect candidate for the job, but the fan is a bit on the noisy side. (That is because it can operate in a 50C ambient environment, more than the other supplies.) I think the Enermax EG701AX should also be OK, as it is a 12V1/12V2 type supply. http://www.pcpowercooling.com/produc...view=techspecs Post back how it turns out, so others will benefit. It could be power, or it could be something crazy, like the thread above suggesting Asus Probe was causing problems. There is nothing really wrong with the HEC power supply - HEC does make decent supplies - but a high end SLI is a pretty nasty load. Or at least the symptoms make it look that way. Working long distance with Mesh doesn't sound like much fun... Paul |
#4
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I have to agree with Paul it is probably your power supply.
"Paul" wrote in message ... In article , Mal Franks wrote: As mentioned in an earlier post - during games I get the occasional reboot (happens every few days plus more frequent lockups) and the monitor goes into standby and does return until i force another reset. Set up a VNC server on the PC and following the more recent reboot - i connected to it and logged in via my other PC. Got a message from nVidia software/drivers saying that one of my graphics cards had been removed and therefore SLI was unavailable. I then went into Device Manager and according to that I only had one of my 6800GT cards connected. Anyone experience anything similar and/or suggest fixes. The last time I returned my PC to Mesh Computers all they did was alter some BIOS settings and replace an SATA cable! System: A8N SLI Delux, XP4000+, 2 x Inno3d Geforce 6800GT, 2 x 200MB SATA HD, DVD-ROM, DVD-RW Dual Layer, Audigy 2ZS, HEC 550W PSU (1 x 12V @ 18A and 1 x 12V @ 17A) Mal I would have a difficult time proving it to you, but it is your power supply. I read some early accounts from users of A8N SLI, and one user had infrequent problems like you. He changed out the power supply (even though according to the label, it had a high enough current rating) and his problems stopped. Now, proving to Mesh that they should use a Nvidia certified power supply, will be your problem. I'm sure they'll fight you "tooth and nail". http://forums.pcper.com/showthread.p...0&page=2&pp=15 (Note that, even though a power supply can read stable with a meter, it can have poor transient response to a heavy load, which can be enough to cause the occasional reboot. Why else would power supplies with acceptable current ratings, be causing systems to fall over ?) http://forums.pcper.com/showthread.php?t=377834 http://forums.pcper.com/showthread.php?t=380940 (Asus Probe causes reboot?) http://www.hardwareanalysis.com/content/topic/38623/ (FAQ) At the bottom of this page, is a list of "certified" power supplies. You have a high end SLI configuration, and for such a system, you cannot cut corners. http://www.slizone.com/object/slizone_build.html Note that, of the listed supplies, there are at least three different kinds of supplies. Some supplies have one 12V output, some have two 12V outputs labelled 12V1/12V2, and the remainder have three or four 12V outputs (12V1/12V2/12V3/12V4). The fact that the A8N-SLI uses EZ-Plug, means if you use a supply with three or four 12V outputs, you will end up shorting two of the 12V outputs together when EZ-Plug is plugged in. But, for stability, you need the EZ-Plug, so in a high power SLI config, it has to stay there. Thus, I would avoid any supply with more than two 12V outputs. That means I would avoid the Silverstone ST65ZF or the Turbocool 850 SSI, for use with A8N-SLI (or any board sporting an EZ-Plug). There is nothing wrong with using those supplies for some other motherboard maker's SLI motherboard (because they won't use the EZ-Plug method). (Silverstone is quad output) http://www.silverstonetek.com/products-65zf.htm (Turbocool 850 is quad output) http://www.pcpowercooling.com/produc...view=techspecs The Turbocool 510 SLI looks good, due to its single +12V output rail. Electrically, it is a perfect candidate for the job, but the fan is a bit on the noisy side. (That is because it can operate in a 50C ambient environment, more than the other supplies.) I think the Enermax EG701AX should also be OK, as it is a 12V1/12V2 type supply. http://www.pcpowercooling.com/produc...view=techspecs Post back how it turns out, so others will benefit. It could be power, or it could be something crazy, like the thread above suggesting Asus Probe was causing problems. There is nothing really wrong with the HEC power supply - HEC does make decent supplies - but a high end SLI is a pretty nasty load. Or at least the symptoms make it look that way. Working long distance with Mesh doesn't sound like much fun... Paul |
#6
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Mal Franks wrote in
t: As mentioned in an earlier post - during games I get the occasional reboot (happens every few days plus more frequent lockups) and the monitor goes into standby and does return until i force another reset. Set up a VNC server on the PC and following the more recent reboot - i connected to it and logged in via my other PC. Got a message from nVidia software/drivers saying that one of my graphics cards had been removed and therefore SLI was unavailable. I then went into Device Manager and according to that I only had one of my 6800GT cards connected. Anyone experience anything similar and/or suggest fixes. The last time I returned my PC to Mesh Computers all they did was alter some BIOS settings and replace an SATA cable! System: A8N SLI Delux, XP4000+, 2 x Inno3d Geforce 6800GT, 2 x 200MB SATA HD, DVD-ROM, DVD-RW Dual Layer, Audigy 2ZS, HEC 550W PSU (1 x 12V @ 18A and 1 x 12V @ 17A) Mal I have had EXACTLY this same problem since I first built my SLI rig back in December 2004. Asus A8N-SLI Deluxe FX-55 2 x eVGA 6800GT 5 hard drives DVD+RW/DL CD-ROM Audigy 2ZS Adaptec PCI SCSI card Enermax EG701AX v2.0 You will note that my power supply IS listed on the Nvidia SLI-certified list. I have noticed that while it often locks up like this in games, it will also happen during normal use of WinXP (e.g. while web browsing). What I have found over six months of this is the following: - This can happen while running games. Some games are more likely to cause this crash. FS2004 is one that I have found that will often do this in full-screen mode, if I have the system in SLI mode. - If I am not running games, the crash will still occur, usually before 24 hours is up, but definately by 48 hours. Even if the system is sitting idle. - Running a game in SLI mode definately accelerates the time it takes for the crash to occur. However, if, say, my system has been up an running for 24 hours, a game is more likely to crash as you describe than if it has been freshly rebooted. - The time-dependency is not a temperature issue - i.e. the system comes to stable temperature pretty quick (and I have many fans providing adequate cooling). Of course, when playing a game, the video card fans speed up! - The system is very stable WHEN NOT IN SLI MODE. I.e. the crashes that you describe above do NOT occur for me when in "standard" video mode. It's only after activating SLI mode that the crashes that you describe occur. I've had a very frustrating experience with this since I built the system. The fact that the system is only stable for long periods when SLI is deactivated means that I usually run in single card mode, and have to reboot into SLI mode to play a quick game. I hate doing this because it can interupt background work that is going on - it's clearly not convenient. My assumption is that there is some kind of a "memory leak" in the driver, which would explain why time seems to be important, even if not actually running a SLI game. Having said that, I do not see the RAM consumption increasing... My approach for the last six months has been to hope that new ASUS BIOS updates and new NVIDIA driver updates would fix this. But, that was 4 or 5 BIOS and video driver versions ago. I'm running the latest release of both, and still have this problem. Note that back in February I went through the long process of trying to figure out what piece of hardware was suspect by removing addin cards, etc., one by one until the system would last under SLI mode. I got down to an essentially bare system, and still no improvement.... I share your frustration. But, I do not think this is a power supply issue... The only thing I can think of trying is adjusting the memory timings. I am running four sticks of 512MB DDR400 RAM, at 400 speed. I have them running at the factory designated timings. These are KingstonValueRAM, and these same units are listed on the ASUS CVL (compatibility list), which is how I decided to buy this RAM. Note that I also ran long, long RAM tests, tried running in DDR333 mode, tried removing two sticks, swapped sticks, etc. Still lack of SLI stability. I cannot find anything wrong with the memory at all. I have considered reducing the timing of my memory (i..e slowing it down), as early "Tom's Hardware" reviews suggested this was necessary with beta versions of the board. But, I'm not familiar with which settings to tweak, and by how much. You wouldn't think I'd have to do this, though, with both my testing and with Asus' recommendation... I have also tried swapping the place of the two video cards - no help Any other ideas? |
#7
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Thorin sat down and started singing about gold. Gandalf entered. Gandalf
said "hurry up". After being threatened with a cloven skull, from one well placed blow, said... I have had EXACTLY this same problem since I first built my SLI rig back in December 2004. Asus A8N-SLI Deluxe FX-55 2 x eVGA 6800GT 5 hard drives DVD+RW/DL CD-ROM Audigy 2ZS Adaptec PCI SCSI card Enermax EG701AX v2.0 snip Just had a phone call from Mesh asking whether I wanted the 2 hard drives set up in RAID 0 or not because I'm getting a new PC. Fingers crossed the new machine will not suffer from the same problems. |
#8
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Mal Franks wrote in
t: Thorin sat down and started singing about gold. Gandalf entered. Gandalf said "hurry up". After being threatened with a cloven skull, from one well placed blow, said... I have had EXACTLY this same problem since I first built my SLI rig back in December 2004. Asus A8N-SLI Deluxe FX-55 2 x eVGA 6800GT 5 hard drives DVD+RW/DL CD-ROM Audigy 2ZS Adaptec PCI SCSI card Enermax EG701AX v2.0 snip Just had a phone call from Mesh asking whether I wanted the 2 hard drives set up in RAID 0 or not because I'm getting a new PC. Fingers crossed the new machine will not suffer from the same problems. Please let us know if the new machine solves the problem. And, if it does, what is different about the new machine (so that I have a prayer of figuring out how to fix my system!)... |
#9
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fsda wrote:
Mal Franks wrote in As mentioned in an earlier post - during games I get the occasional reboot (happens every few days plus more frequent lockups) and the monitor goes into standby and does return until i force another reset. System: A8N SLI Delux, XP4000+, 2 x Inno3d Geforce 6800GT, 2 x 200MB SATA HD, DVD-ROM, DVD-RW Dual Layer, Audigy 2ZS, HEC 550W PSU (1 x 12V I have had EXACTLY this same problem since I first built my SLI rig back in December 2004. Asus A8N-SLI Deluxe FX-55 2 x eVGA 6800GT 5 hard drives DVD+RW/DL CD-ROM Audigy 2ZS Adaptec PCI SCSI card Enermax EG701AX v2.0 Just for the record, I have this setup: A8N-SLI Deluxe, bios 1011 final FX-55 2 x Leadtek 6800GT 3 SATA harddrives DVD+RW Audigy 2ZS (last PCI slot) Enermax EG701AX 2 Gigs - Corsair Twinx2048 2.5-3-3-8 You will note most of it is the same as the last rig here mentioned. I however do not have the same problem, never had. I've got every power lead that I can connect to the mobo and the graphcards connected, and haven't overclocked anything. Also, I've installed watercooling to the entire system, and it keeps everything very cool. |
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