P6N-SLI-FI Random Lock-ups

Hi,
New build listed below. Works great 99% of the time. The only issue I have is infrequent random lock-ups. The lock-ups occur either during windows start-up, or randomly while doing some non-stressing task (like web browsing or word processing). Currently at 2.4GHz, but have had it higher. I lowered it to 2.4 to see if it made any difference, but it seems about the same.
Since "lock-up" can mean a lot of different things I will describe it. The screen freezes totally. Does not respond to any input (CTR-ALT-DEL) etc. It often seems to occur in the middle of HDD access, and the HDD light stays on continuously. Hard reset is required to fix.
It has not locked up during a game, burning or transcoding a DVD or when running any stress tests. It happens VERY INFREQUENTLY (I just had my first one in about a week) and is not repeatable. The only other bit of info I can come up with is that is seems that it usually occurs during HDD access, and the HDD light is stuck on.
I almost wish I had the problem more often. If I had this problem regularly I would feel pretty comfortable troubleshooting, but as it is I could spend a lot of time changing things around and "think" I fixed it only to have it come back a week later.
My thoughts are either a RAM issue or my PSU. Thoughts?

Quote from: JoeFriday on 20-March-07, 12:18:23
Hi,
New build listed below. Works great 99% of the time. The only issue I have is infrequent random lock-ups. The lock-ups occur either during windows start-up, or randomly while doing some non-stressing task (like web browsing or word processing). Currently at 2.4GHz, but have had it higher. I lowered it to 2.4 to see if it made any difference, but it seems about the same.
Since "lock-up" can mean a lot of different things I will describe it. The screen freezes totally. Does not respond to any input (CTR-ALT-DEL) etc. It often seems to occur in the middle of HDD access, and the HDD light stays on continuously. Hard reset is required to fix.
It has not locked up during a game, burning or transcoding a DVD or when running any stress tests. It happens VERY INFREQUENTLY (I just had my first one in about a week) and is not repeatable. The only other bit of info I can come up with is that is seems that it usually occurs during HDD access, and the HDD light is stuck on.
I almost wish I had the problem more often. If I had this problem regularly I would feel pretty comfortable troubleshooting, but as it is I could spend a lot of time changing things around and "think" I fixed it only to have it come back a week later.
My thoughts are either a RAM issue or my PSU. Thoughts?
Do you have all the necessary options for overclocking disabled, C1E, EIST, all the spread spectrums. Also what are your cpu voltage and NB voltage set at...those two seem to have the most effect on system stability when ocing. Also what are your memory settings... I have your same memory and it refuses to work at anything but its advertised setting (800mhz at 4-4-4-15)

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Random Lock ups

I'm using K9N2-SLI plat with Bios 3.5, AMD64 X2 6400+ Black Ed., 4GB ram (2x2GB Cas 4-4-4-12 T2 matched set), XFX 8800GTS(92) 512, Corsair TX650, Artic Cooler Freezer64 CPU H/S running Vista64 Home Premium Sp2. I'm having random lock-ups during 3D games. Sometimes it locks up after 30 mins in game or sometimes it locks up after days of playing, I can't get it to reproduce the lock up at will. I have read alot of post about this motherboard and it seems it comes down to power supply. I had a New Apevia Beast 2 rail system but after reading the posts I returned it for new Corsair TX650. At full load CPU cores never go above 47c and Idles around 30-31. Ran mem test over night with no errors. Did notice in Mem Test it stated Ram was set at Cas 4-5-5-18 T2. I went to BIOS and set the mem for Volt 2.0 Cas 4-4-4-12 T2. This did reduce the lock-ups to the point I thought I had it fixed. Than today I locked up twice. When it locks up computer becomes unresponsive last sound repeats for few seconds and the only way to resume is to press restart button. I have tried with Cool n'quite on and off, DOT is never been on. Computer runs fine in 2d operations. It's only when I go into 3d games. Video Card has been tested in other machine and is working fine. My game sometime requires me to stay logged in over night to Sell goods. Every morning this last week computer has froze sometime during the night. Crysis plays fine for hours, It seems it happens in not so demanding games, Aion, Knight Online and Wow. All power plugs are plugged, fresh install of Vista, Newest drivers from web site, Bios update via the Forum USB key app. Would really like a reliable computer. What am I missing? Let me know if you need any other info.

OK I ran single stick and it locked up quicker. I went to BIOS used optimized defaults with only changing the volts to 2.0. and it locked up again. It's lockups seem longer if I change mem setting to 4-4-4-12 T2. I used CPU Z and noticed few things.
The memory report from CPU-Z:
DIMM #            1
   SMBus address      0x50
   Memory type      DDR2
   Module format      Regular UDIMM
   Manufacturer (ID)   A-Data Technology (7F7F7F7FCB000000)
   Size         2048 MBytes
   Max bandwidth      PC2-6400 (400 MHz)
   Part number      EXTREME DDR2 800+
   Number of banks      2
   Data width      64 bits
   Correction      None
   Nominal Voltage      1.80 Volts
   EPP         yes (2 profiles)
   XMP         no
JEDEC timings table      CL-tRCD-tRP-tRAS-tRC @ frequency
   JEDEC #1      3.0-3-3-9-12 @ 200 MHz
   JEDEC #2      4.0-4-4-12-16 @ 266 MHz
   JEDEC #3      5.0-5-5-18-23 @ 400 MHz
EPP timings table      CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)
   EPP profile #1 (full)   4.0-4-4-12-22-2T @ 400 MHz (2.000 Volts)
   EPP profile #2 (full)   4.0-4-4-11-20-2T @ 400 MHz (2.000 Volts)
since I was using EPP profile 1 I noticed that motherboard is running my memory at 4-4-4-12-24(EPP profile shows should be 22)-2T. Should I change to match memory? or should I try JEDEC #3 @ 400MHZ
Next thing I noticed was The chipset is stated as 740a not the 750a
Chipset
Northbridge      NVIDIA nForce 740a SLI rev. A2
Southbridge      NVIDIA nForce 740a SLI MCP rev. A2
Graphic Interface      PCI-Express
PCI-E Link Width      x16
PCI-E Max Link Width   x16
Memory Type      DDR2
Memory Size      4096 MBytes
Channels         Dual
Memory Frequency        400.0 MHz (CPU/7)
CAS# latency (CL)        4.0
RAS# to CAS# delay (tRCD)   4
RAS# Precharge (tRP) 4
Cycle Time (tRAS)        12
Bank Cycle Time (tRC) 24
Command Rate (CR)        2T
I've tried loser setting 5-5-5-18 and still locks up.

P6N SLI Platinum random shutdowns

System:
MSI P6N SLI Platinum MoBo
Intel E6750 CPU
Etasis 850W PSU
Corsair CM2X1024-6400C4 RAM (using only 1 stick while troubleshooting)
MSI NX8600GTS GPU
OK, this is a strange one. I put my new system together and everything seemed to be working fine. POST looked OK, and I was even able to install Windows. Everything seemed stable.
One thing that troubled me was that the lights on the D-Bracket were all red AFTER POST. In other words everything was working, but the LEDs were showing CPU problem. I tried everything I could think of to get the lights to go away, but nothing worked. I disconnected all HDs, DVD, and floppy drives. I reset the BIOS, and reseated the CPU. I tried putting RAM in different slots, tried both sticks solo, but nothing made any difference.
It was getting late, so I decided to go to bed and run memtest86+ over night. When I got up this morning the system had powered itself down. When I turned it on again it powered itself off within a minute of being turned on. This was with all the drives hooked up, so I disconnected everything and now it's been sitting happily in the BIOS for over 30 minutes.
So at this point, it seems like it could be a power supply issue. Unfortunately, I don't have another PSU with an 8-pin CPU connector that I can try in this system. Any thoughts? Next steps to try?
Other possibly useful facts:
When I boot into the BIOS the D-Bracket lights show #3 green, and all others red, indicating "initializing keyboard controller". But when I boot past the BIOS to a CDROM or Windows, they show all red, indicating "CPU problem"
The system makes a brief chirp the POST screen. It doesn't sound like a beep code to me, and I've heard some boards will do an "everything's OK" beep like this. But it could be important so there it is.
Although it seems happier with all the drives disconnected (indicating a PSU problem), it still shows all red LEDs on the D-Bracket (indicating a CPU problem).
This is not the first system I've built, and I was fairly careful about putting everything together the right way. The only goof I know of is that at one point I was unplugging and re-plugging things and I ran the system for a while without connecting PCIE power to the GPU. Could that have broken something?
Any help would be much appreciated.
-Steve

UPDATE: I tried hooking up my old 400W PSU with 20-pin ATX and 4-pin CPU connectors (apparently this is OK to do) but there was no change. Still four red LEDs.
I also tried removing the PCI-E GPU and booted it up with an antique PCI VGA card. Again, no change. Maybe I really did get a bad CPU?
Any other ideas, before I try to return my CPU?

K8N Neo4 Platinum random lock-ups and BSOD

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System is as follows:
MSI K8N Neo4 Platinum [Bios 1.D]
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Quote from: davePC on 09-August-06, 09:06:44
Did a clean install on an old IDE HDD and seemed fine but it did not have all of the software that I run on the SATA drive. Thinking the SATA drive may be the issue? Please Help!!!
Seemed fine?
There isn't really be any difference between an IDE drive and a sata.
Except that the sata drive needs some drivers as your installing the os.
Check your ram timings in bios but likely it's your psu.
Which components are on which rail?
The ones that use the +12v are your cpu,cdrom,dvdrom and graphics card.
Try disconnecting both roms and see if it improves things?

Z68A-GD65-G3 SLI black screen lock ups

Let me start off by saying I have tried everything and I motivate everyone to prove me wrong and provide me with a solution to this issue.
System spex:
MSI z68A GD65 G3
2600k
Corsair XMS3 1600 16GB
Corsair AX1200
2 - EVGA GTX 580 3GB SLI
Running beta bios: E7681IMS.N49 from -> https://forum-en.msi.com/index.php?topic=151148.msg1144560#msg1144560
I have tried almost every BIOS under the sun, including "standard bios" ie flash back to factory BIOS
So here is the issue:
In order to run SLi I have to be at completely stock settings, if I even up the multiplier to x35 on my CPU I black screen as soon as I bench/game on the cards. If I bench only the CPU (prime95) it is fine and no issues. but again as soon as I loud up something graphics wise the screen goes black and locks up.
It isn't the cards either, each card has been tested on its own and in different PCs in SLi.
It is like the motherboard cant handle the power??????
Someone else has to be overclocking and running two power house cards like this without issues? right? what did they do different? what settings? am I missing something?
Or do I need to contact MSI and get a RMA in process.
Before adding the extra card I had my CPU @ 4.7Ghz and when I would bench it I would take it to 5Ghz+ without a issue... solid, never had a BSOD. but this extra card just kills the systems.
Again everything set to stock and the system runs great I can game on it for hours without issues.
Thanks
Nick

Quote from: Bernhard on 30-December-11, 00:22:38
I am not running your PSU down, don't get me wrong. You have the best PSU by general consensus. All I am suggesting is to check it in another system under similar OC conditions with approx the same specs.
It does fine with SLI non OC, yet when you add the extra load of OC, and that can be an additonal 50 to 100W, then the PC becomes problematic.
It could be something else, but one has to start eliminating potential culprits.
Edit: Did you install Virtu ? If so, have you tried deleting it again for a test ?
Oh I understand completely and thank you for your suggestion and time, it helps me to believe that it could be my PSU even more, I am borrowing a PSU from a friend and a PSU tester from work and tonight will get a chance to do some full testing on the PSU.
If that tests out ok I will pull my PSU out and RMA it. hopefully Corsair will have a quick turn around.
Virtu isn't installed, I will double check but it was disabled in BIOS, but i have reset my BIOS so many times I will make sure it still is.
I will report back with my findings.

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MSI P67A-GD65 (B3)
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Antec Lanboy air case
2X Western Digital VelociRaptor WD1500HLFS 150GB in RAID0 running Windows 7 Pro 64 bit
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Quote from: HU16E on 12-April-11, 11:26:00
That can happen, & it can really mess things up if two kits are attempted to be run together. The platform is DDR3 1333 as to native support by the CPU IMC. If the system can't run on 1333 RAM speed at CR 1, 9 9 9 24 @ 1.50v's, then something is wrong. No system should ever have to use an OC (or X.M.P.) as a workaround to make it work. That's why I recommended the Crucial 1333. Plug one stick in the blue primary dimm slot to get everything loaded & checked out, & go from there.
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I've had my Toshiba Satellite P300-161 laptop for roughly about 6 months now. However, during the past month or so.. I've been experiencing random freezing of the whole laptop.
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Hi.
Thanks for your reply.
Yeah, it's currently running on Vista SP1. I have reinstalled Vista _once_ for this laptop, perhaps I should reinstall it again before I take it back to John Lewis just to make sure...
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MOVED: Z68A-GD65-G3 SLI black screen lock ups

This topic has been moved to Overclockers & Undervolting & Modding Corner.
https://forum-en.msi.com/index.php?topic=155410.0

Quote from: Bernhard on 30-December-11, 00:22:38
I am not running your PSU down, don't get me wrong. You have the best PSU by general consensus. All I am suggesting is to check it in another system under similar OC conditions with approx the same specs.
It does fine with SLI non OC, yet when you add the extra load of OC, and that can be an additonal 50 to 100W, then the PC becomes problematic.
It could be something else, but one has to start eliminating potential culprits.
Edit: Did you install Virtu ? If so, have you tried deleting it again for a test ?
Oh I understand completely and thank you for your suggestion and time, it helps me to believe that it could be my PSU even more, I am borrowing a PSU from a friend and a PSU tester from work and tonight will get a chance to do some full testing on the PSU.
If that tests out ok I will pull my PSU out and RMA it. hopefully Corsair will have a quick turn around.
Virtu isn't installed, I will double check but it was disabled in BIOS, but i have reset my BIOS so many times I will make sure it still is.
I will report back with my findings.

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My specs:
Q6600 stock speed
Kingston HyperX pc8500 2x 1gb. I manually set it to it's rated timings, voltage and frequency. I have also tried different ram, from Exceleram and it makes no difference.
2x Asus EN8800GT 512mb cards (tried using just one card too, tried switching to a different 8800gt card from sparkle too, no change.)
HDD: Have tried several hard drives, pata and sata from probably all the manufacturers, i dont see why i need to post their specs since they problem persists nomatter what hdd i use.
Windows XP SP3 proffessional.
nothing else is in the system, i removed every piece of hardware, like sound card, optical drive, etc. to isolate the problem.
Power supply: Thermaltake ToughPower 700W
BIOS Version: the beta bios posted on this forum that supposedly fixes the video corruption bug (it doesnt). Also tried 1.0 and 1.1
The problem: random lock-ups. Sometimes it doesnt happen for 2 days and then BAM! Its happening every 15 minutes now. It might stop happening for another 12 hours and start locking up again. It only ever happens when im working in 2d applications like browsing, using messenger or IRC, watching videos on youtube or in a media player, or just moving files around or anything mundane like that. it once happened when i wasnt touching the keyboard or mouse at all, i was waiting for some files to finish copying over LAN. I also get the famous video corruption but it is EXTREMELY rare, like once a month. It crashed the last time the video corruption appeared, once i tried to click the player to pause, the system crashed. The system will never lock up while playing games, i play medieval II total war for days without any problems. The store i bought the p7n from tested it for me and they said it worked fine, but they used an ATI card so that may be a clue? Then again, they are really incompetent and didnt run the right set of tests, and ignored what i had told them about the nature of the crashes.
Detailed description of the events: System freezes, first everything except the mouse is frozen but if i try to click with the mouse, it freezes too and the screen flashes a black screen every few seconds. it never recovers and i have to shut it down by holding the power button for several seconds. some of the 2d graphics in windows get corrupted with artifacts, and the mouse does get heavily corrupted usually.
What i've tried:
I thought the mobo was defective but it isnt, i got a new mobo from the store and it has the same problem.
Tried working my way through every combination of memory timings, frequencies and voltages that i thought might make a difference but it has no difference on the crashes.
All the hardware works perfectly in my Asus P5N32-E SLI motherboard (i bought this msi mobo for some different reasons that i wont go into here), so theres nothing wrong with any of my components.
The only item i've not had the oportunity to switch with a different one is the power supply, but again, it works perfectly with all other motherboards that i've tried.
Is this possibly related to the video corruption bug? Does anyone have any idea when the next bios release is due? Please help, it sucks to buy an expensive motherboard that just doesnt work. i'll have to buy a 3rd sli mobo if I cant fix this.
PS: Is it not possible to regulate fan speed for sysfans connected to the mobo's fan connectors? My asus mobo had great fan speed controls in the bios, if this one doesnt have any such options, i call that ridiculous.

I appreciate your effort, guys. I've tried running the memory in 800mhz and on auto timings and on some other timings too (i was kinda desperate and i messed around with the memory configuration for days with no success), and tried auto volt (it gets set to 1.8 which the memory is rated for at 800mhz) and tried 1.9 and 2.0 and 2.1 and 2.2 and i've tried completely different memory modules too that i borrowed, and tried running in single channel with both modules and running just 1 module. none of these experiments had any effect on the crashes :\. But don't you think this could be related to the video corruption bug? I always thought it was, since this problem doesnt seem to happen for me when there is an ATI card in the system. Not that my 8800gt cards are defective in any way either, they are rock solid on my other motherboard.
I have one more theory, some weird inexplicable compatibility problem between this particular PSU and this particular mobo. Think it's a possibility? The psu is the only thing i have not switched out for another component, every other component i have switched for another one that was known to be working fine.
also, there is the extremely distant possibility that the issue is caused by an issue that the mobo might have with BOTH the kingston and the excelleram modules that i tried, however this seems far-fetched. but this problem is a fact and SOMETHING is causing it. i've eliminated almost everything i can think of.

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I know there's similar threads on this, but i'm experiencing random lock ups and the phone restarting itself at random. It's the "panic.plist" crash several users have complained about. This issue mostly leads to a hardware problem according to the existing threads.
In my case, this happens about once a month, like a handful of times ever since 12/20/2011 (date of activation). If my hardware was shot, wouldn't this happen several times a week? Several times a day?
64 GB iPhone 4S w/ iOS 5.1.1 by the way.

Just an update - ripped the sound card out, rebooted and installed the software for on-board sound - problem solved i can actually talk on vent and the computer boots without errors and hasnt crashed in the past week. Basically was $200 very poorly spent as i cant really be bothered ever putting it back into my system - support told me to download the latest drivers (first thing i did when i found the problem s didnt fix a thing) huge thumbs down for creative - to sum it up - use onboard sound if it works and you want a stable computer.

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Hi!
I recently got my hands on a second hand tecra 9100. I got it free since the previous owner complained about random lock ups or freezes. As i've testaed the laptop myself i experienced this aswell. It can freeze just about anytime but i've never had it running flawlessly for more than 20 minutes i recon. Sometimes it also refuses to start up. I do not know if this is a lock up in the initial startup sequence.
Anyway it will lock up even in bios and i have dissassembled it and put it back together, replaced the RTC battery (with a non rechargable) and removed any hardware not crucial for useage (i.e WiFi card, extra RAm modules, modem card).
I'm clueless, anyone got any idea of what to try next?
Regards Simon

I think you cant fix it by yourself
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Lock ups XF-I and X1900

Hi I am running
EVGA 33-K8-NF4-AX with the latest Bios
Radeon x900xtx
2 gig OCZ 2-3-2-5 ram
Antec true power 2.0 550watt PS
Sony 80a Dvd burner
70 gig raptor sata dri've
300 gig seagate sata 3 dri've
Sound Blaster Xf-I extreme music
Windows XP SP2
I get random lock ups under any D3D or OpenGL game as long as im on the desktop my sounds function without an issue. Previously I had been using a EVGA 7800 gt with no problems. Under the 7800 gt I did not have any lock u
ps.
Before installing the Radeon x900xtx I did a format of the dri've and a clean install of windows xp with SP2. I have tried catalyst 6.4 and the lock ups were very frequent in catalyst 6.3 they are less frequent and more random. I have upgraded to the latest drivers for every other component on my pc. I posted this here and also I have sent in a ticket to ATI because if I remove the XF-I and go with the real tek 8 channel onboard sound all of the lock ups disapear. When the XF-I is in the pc and it locks up it goes into a sound stutter at random times in any D3D or OpenGL game

I don't think so, Lion with the latest updates is running fine for most of us.
Post the log for your next lockup or the previous one if you can isolate the timeframe.
/Applications/Utilities/Console > system.log

P6N-SLI-FI Random Lock-ups

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