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Errors in memtest86 and reboots


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hello, sometimes my system suddenly reboots and thats very annoying. So i did some tests on my memory first with both modules of my dual channel memory. With this, I got about 5 errors on test 7 and 8. after about 10 passes.

 

Now I tested the memory modules one by one.

After 99 passes (tested all day) module A got 1 single error. Does this say anything?

The second module gave me 4 errors after 22 passes. Can i conclude something here?

 

CPU: AMD athlon 64 3500+

Mobo: ASUS a8v deluxe

Memory: Corsair valueselct dual channel 512 mb.

OS: windows XP SP2.

 

Please give me some advice.

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  • Corsair Employees

Random errors like that would suggest some other problem.

Can you tell me the bios settings you have set for both CPU and memory and any performance settings that you may have set? And the make and model of PSU you have along with the system configuration?

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CPU

HT frequencey: 1000 MHz

HT Data Width (upstream) : 16 bit

HT Data Width (downstream) : 16 bit

 

AMD Cool N'Quiet: disabled

 

Memory configuration

Memlock mode: auto

software memory hole: enabled

bank interleaving: auto

burst length: 4 beats

MCT timing mode: auto

TWCL: auto

TWR: auto

ASyncLat: auto

Read Preamble setting: auto

2T command: auto

 

Config system Frequency / voltage

AI overclocking: auto

 

Hardware monitor

CPU temperature: 40,5 oC

MB temperature: 23 oC

 

CPU Fan Speed: 3154 RPM

Chassis Fan speed: N/A

Power fan Speed: 1110 RPM

 

Vcore voltage: 1.568 v

3.3v voltage: 3.296v

5v voltage: 5.053v

12v voltage: 12.096v

 

 

Antec Sonata Life Style 380Watt

PSU: Antec True380SP

 

AmiBios

Version: 08.00.09

Build date: 04/07/05

ID: A0036001

 

I sure hope thats all you need :):

When you need any other information just say it.

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  • Corsair Employees
You really should be using a 450 Watt PSU or bigger depending on the system configuration. Can you tell me the make and model of Video card and the rest of your system configuration? And can you possibly test the modules in another system just to test?
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You really should be using a 450 Watt PSU or bigger depending on the system configuration. Can you tell me the make and model of Video card and the rest of your system configuration? And can you possibly test the modules in another system just to test?

 

I know the 380 watt is enough. A friend of mine has got the same computer (we bought it at the same time at the same store and he's got same CPU, same mobo, same graphics card). But he has a 350 watt psu and never any problems. next to that the temperature is not getting even close to high here.

 

my system configuration:

monitor: NEOVO F-417 17" Black LCD

harddisk: MAXTOR 160.0Gb 7200RPM 6Y160P0 8MB

memory: Corsair 512MB DDR400 Value Dual Channel kit

mainboard: ASUS AMD SOCKET-939 A8V DELUXE/WIFI-G

cpu: AMD Athlon 64 939 3500+ 2200Mhz BOX

graphics card: ASUS 128Mb V9520/TD

case and PSU: Antec Sonata Life Style 380Watt

DVD burner: NEC ND-3500 Dual Layer

floppy: NEC / SONY 1.44Mb Diskdrive

 

I can ask if i can try the memory in another system but i don't know if he has got time for it.

 

[edit]i'm running now with 1 memory module for two days and I don't have any reboots since than. (can be by accident of course) [/edit]

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Well you have 2 MB's listed there and for the K8V-SE the PSU you have would be enough, but for the A8V I would suggest a minimum of 450 Watt as the CPU requires more power. But to test the system since you know one module is running I would try the system with just the other module installed. If it’s still stable with either module running them one at a time that would suggest some other issue and the most likely cause would be the PSU, but it could also be the memory controller in the CPU.
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you are right.. my mobo is the A8V. i removed the K8V from the list now (my mistake). But it doens't change the fact that the same system with a lower PSU (350 watt) does run at my friend without any problems.

 

I'll try the other module for some days, and i'll try to test the modules in another computer if i get the change.

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  • Corsair Employees

No problem, and I have no problem replacing the modules for you, but what you have posted so far could be some other issue.

Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

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Well here I am again. I tested the memory at my friends place and it looked fine there. So I won't send any momory to you (for now :roll: )

 

So, now the memory is fine.. i don't know what else it can be.. :mad:

 

I saw in my bios that the power fan rpm is only 990 (and it had a red collor) Is that good? if not.. do you know how i can test anything about it? are there any test programs for it?

 

Anyway thanks for your help here! I have to say its a nice way of giving people support for their problems.

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Well you might have a weaker PSU then your friend. I would try to barrow another PSU if you can and reset the bios and see if the results change if they do then you know there is a good chance that is the problem. Other wise I have no problem replacing the modules if you like.
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Well you might have a weaker PSU then your friend. I would try to barrow another PSU if you can and reset the bios and see if the results change if they do then you know there is a good chance that is the problem. Other wise I have no problem replacing the modules if you like.

 

I tried a Cooler Master ATX, 450 watt and still errors in memtest.. so i guess the psu is also fine. also got another cpu (also an athlon 64 3500+) and still (and even more often) i get errors in memtest.

 

So i think the mainboard is defect.. don't know what else it can be because i tried a 450 watt psu, another cpu, and i tested the memory.

 

why did i have to reset the bios also?? i tried the psu but didn't reset anything.. is it necessary to reset the bios to test the system with the other psu??

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why did i have to reset the bios also?? i tried the psu but didn't reset anything.. is it necessary to reset the bios to test the system with the other psu??

 

The PSU with ATX has the output voltage controlled by the MB and when you change the PSU so the new PSU is seen properly its best to clear out the DMI pool in the bios and this is done by resetting the bios. Or with some bios they will have the option to Clear NVRAM or AKA Reset Configuration Data. This is also true when you make any major change as well.

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  • 3 months later...
No problem, and I have no problem replacing the modules for you, but what you have posted so far could be some other issue.

Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

 

Hi Ram Guy, we talked before here about my problem of my pc thats rebooting. Now 3 months later i still got the same problem. I did an RMA on my mainbord and i received a new one after a long wait. But nothing changed (so the other mainbord was fine).

 

Summary of what happened:

New mainboard (also a A8V deluxe wifi-g)

new CPU (also a AMD athlon 3500+)

tested with a much better PSU

 

Now i bought some new memory (same as what i allready have: Corsair 512MB DDR400 Value Dual Channel kit)

 

With that, my computer is going great! (finally).

with 1 new module and 1 'old' module i get only a few errors in much hours waiting with memtest86, but i do get errors. With only the new ones i get no errors. with the two 'old' modules i get about 10 errors in 12 hours. Sometimes less, sometimes a little bit more.

 

You allready said you would be happy to replace them for me. But that was some months ago. So.. can i still send them over? ;):

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