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[tomfromrom]

Hello, i have the following Problem:
When i run my favorite video game, after some minutes my computer suddenly powers off. The Power Led is blinking in approx. 3 second period. I am not able to restart the computer until i completely switch off power (by either the switch on the power supply or removing the power chord). When the computer gets into this state, it will power off again, quite quickly, on any attempt to reboot (even after completely powering down).
According to CoreCenter, and after trying the game in windowed mode, my CPU temp. never exceeded 47 degree C.

My setup is as follows:
MSI K8N Neo4 Platinum
AMD64 3500 (winchester)
ASUS EN6600 GT
takeMS 1Gig CL2,5 RAM (one module installed in slot 0)
BeQuit 450W power supply
Thermaltake Silent Boost K8 heat sink

any ideas/similar experience?

[Supershanks]

hi tomfromrom ,
welcome to the forum.

1) If it's a memory error the pc usually reboots. You can test your memory with Memtest86+
2) What's the amps on the BeQuit 450W power supply. this is uasually shown on the side of the unit as Max Output 3.3v=??A, 5v=??A, 12v =??A.  Can you provide this info please.
3) What Os & Update are you using.
4) Are your Drivers upto date (Downloaded from Nvidia.

luck

[Tiresmoke]

Sounds like a PSU that is too weak to me. The give away is the blinking Power LED along with the need to completely remove power before it wants to restart. How many AMPS are on the 12v rail of that unit? You can find that info on the sticker on the PSU. As I remember BeQuiets have a rather weak 12v rail and our systems require a strong 12v rail.

[Some1ne]

Given that it heppens during gaming, it could be a video card issue.  Have you checked to see how hot your GPU is getting (right click the desktop -> Properties -> Settings -> Advanced -> Geforce 6600GT -> Temperature settings)?  Download the program available at http://www.daionet.gr.jp/~masa/rthdribl/ and run it with the temperature monitoring window next to it.  If the temp goes much above 90, then your video card is probably getting too hot and causing the system to crash.  

Your CPU temp is good, but are you running overclocked or at stock speeds?

[tomfromrom]

Some additional informations:
the power supply is a BeQuit BQT-P4 450W S1.3
+3.3V-28A +5V-45A +12V-22A -12V-1A -5V-0.8A

Windows XP Professional SP2 with all current patches from Windows Update
All Drivers updated by MSI LiveUpdate (including the NVIDIA VGA Driver), to the current versions, as of April, 2nd
(can't check the version numbers as i'm currently at work).
I've disabled the FDC controller (as i've got no floppy drive), the raid controller (SATA 5-8), and the serial & parallel ports.
All BIOS settings 'conservative' (no overclocking applied, all timings/Voltages set to automatic).

To reiterate, the system does not reboot or freeze - just powers off, with the power led start blinking (as if it went to suspend mode).

BTW what's the expected/safe working temperature range for the AMD64 Winchester CPU? What's the max temp. the Health Status should display?

Thx for your answers.

[Supershanks]

Hi tomfromrom,
Thanks for the extra info.

just powers off, with the power led start blinking (as if it went to suspend mode).

Does sound like a power supply issue.
Your effectively running with only 3/4 of the recomended 12v amps. see http://forum-en.msi.com/index.php?topic=77062.0
Temps are idle 36C load 54C. Maximum per AMD = 65C.

I'd be inclined to use the Nvidia site for your drivers, MSI ive  update is useful for any of the mSI Software you may use & bios updates.

[dacull]

Hi tomfromrom, I saw that you posted on my random shutdowns PS2 keyboard thread...

http://forum-en.msi.com/index.php?topic=61832.msg545860#msg545860

Do you mean to say that by changing keyboard model you have cured your random shutdown behaviour?

I am wondering because its important that we know if the same problems occur on the K8N Neo 4 (I.e. the problem is not fixed yet)...

[VGR]

it may also be a overheating problem with a BIOS set up to shutdown the PC when too hot (see your BIOS)

***or*** a fan problem : if it stops or slows down too much, then the BIOS may also be configured to shut down the machine.

I would first take temp measurements by letting your favorite tool (like corecenter) log-to-file or display the actual Temp while you play.

[tomfromrom]

Well i replaced 2 components:
the power supply (now a BeQuit BQT-P5 470, 12V@29A)
and my IBM KB-7953 PS/2 keyboard with a Cherry CyMotion Master XPress PS/2/USB-Adapter (connected via USB)
No random system power off since, my System runs rock solid now (ran Prime95 all night long, after playing Dark Age of Camelot for 3 hours).

Actually the day before i ran a test with a very old&cheap cherry PS/2 keyboard (*before* i swapped the PSU), and gues what - no random power off (at least during an overnight test).
So I'd really suspect the IBM KB-7953 PS/2 keyboard as an candidate which makes the system unstable.

My suspicion is that the PS/2 ports of the mainboard have a limited power output, which, when overloaded by a keyboard or mouse drawing to much current, cause the 'sticky suspend mode' syndrome.
Propably the problem is even caused by both components, a weak power supply which adds to the problem with the PS/2 keyboard.
As a conclusion i can only advise, if u have a PS/2 keyboard from IBM (or from Dell, which i saw mentioned in other posts) AND u have the the random power off syndrome, start with swapping the keyboard before buying a new PSU.
As another advise, connect your front panel USB connector *after* you've verified that your system runs stable, others have reported that may cause problems also if not wired right.

Glad to have resolved this stuff now )

[dacull]

Wise Advise indeed.

Thanks for confirming that the Neo4 suffers from the same problem as the Neo2 with shutdowns caused by certain PS2 keyboards (for the record it will also happen with old Gateway and HP PS2 keyboards!).

Glad you sorted your problems out, After I changed keyboards I haven't had a single crash or shutdown, rock solid stability even overclocked. so good luck.

[mamox]

Sorry for the cross post, and being slightly off-topic, since my mobo is a Neo2, not a Neo4, but there was a link to this thread from another...   My K8N Neo2 Platinum is exhibiting the exact same behavior.

My mouse and keyboard are both USB. 
My power supply is an Ultra X-Connect 500W. (+5v=32A, +3.3v=20A, +12v=28A, -5v=0.6A, -12v=0.6A, +5VSB=2A)
My CPU core temp doesn't ever reach forced shutdown temps, and the vidcard doesn't seem to be overheating.

Are there any other known issues that can cause this problem, (other than faulty hardware of course)?

[dacull]

is there any pattern to the shutdowns? (i.e. are you doing something in common when it shuts down? is there any blue screen of death ? is it a real shutdown (ie. poweroff?), what case do you have? double check all your header connections, and memtest your ram)

[Mr_Mustang01gt]

I know this an old thread but I was having the same problem and was searching for any adive on the forum.

I started having the same problem with my NEo 2 MOBO.  ANy Advice

AMD 3500
NEo 2 plat
1 gig ocz pc3200
XP home

[Supershanks]

Sticky Index - Find Answers Here Fast --->
Sticky Index - Trouble Shooting - Keyboard and Mouse Iissues
&
Pre-Build Issues and Choosing Components  - Power Suppy Requirements & Selection

luck

[Shotyme]

I have this same issue, but it might have been taken care of by swapping my 10 year old Packard Bell PS/2 keyboard with a newer E-machines PS/2 keyboard I had laying around. I got the idea thanks to this forum.  I've been trying to get my PC to crash since Saturday, October 22nd with the new keyboard, and it hasn't crashed as of yet.  My specs are down below.

Also, my problem has just started about 3-4 weeks ago.

This is what I have done so far to troubleshoot the problem:
*Swapping my Antec 350 Watt PSU for another of the same PSU units
*Updated all drivers and updated bios to 1.9
*Swapped my Kingston Value 3200 dual DDR 2x512MB sticks with Corsair Value 3200 dual DDR 2x512MB sticks
*Read the XFXforce forums
*Tested the temperatures of my CPU and graphics card by running in a window (CPU never rose above 50C and the graphics temps were in normal operating range)
*Checked the system for any IRQ conflicts
*Bought a new RaidMax 450W PSU on a 14A 12V Rail
*Swapped the XFX GeForce 6800GT PCI-E video card with an ATI 9200SE PCI video card (this worked fine for about 4-7 days then the same problem occured)
*RMA'd my XFX 6800GT card (I thought my ATI card worked fine)
*Swapped my Packard Bell PS/2 keyboard with a E-machine PS/2 keyboard (This seems to have fixed the issue)

I've read on these forums that another person had the same problem.  He claims that he swapped his keyboard out, and it appeared to fix the problem for him.  My computer also has been working fine since the swap; however, it hasn't been that long, and the power loss happens randomly and not as often with my ATI graphics card installed (I already RMA'd my XFX 6800GT appearantly for no reason now  ).  So, I'll let you know how things are going.  My PC has been running problem free so far for three gaming sessions of about 1 hour each.  I'll let you know if I find anything else out about this problem and keep you informed of my testing.

[slayek]

I have this same issue, but it might have been taken care of by swapping my 10 year old Packard Bell PS/2 keyboard with a newer E-machines PS/2 keyboard I had laying around. I got the idea thanks to this forum.  I've been trying to get my PC to crash since Saturday, October 22nd with the new keyboard, and it hasn't crashed as of yet.  My specs are down below.

Also, my problem has just started about 3-4 weeks ago.

This is what I have done so far to troubleshoot the problem:
*Swapping my Antec 350 Watt PSU for another of the same PSU units
*Updated all drivers and updated bios to 1.9
*Swapped my Kingston Value 3200 dual DDR 2x512MB sticks with Corsair Value 3200 dual DDR 2x512MB sticks
*Read the XFXforce forums
*Tested the temperatures of my CPU and graphics card by running in a window (CPU never rose above 50C and the graphics temps were in normal operating range)
*Checked the system for any IRQ conflicts
*Bought a new RaidMax 450W PSU on a 14A 12V Rail
*Swapped the XFX GeForce 6800GT PCI-E video card with an ATI 9200SE PCI video card (this worked fine for about 4-7 days then the same problem occured)
*RMA'd my XFX 6800GT card (I thought my ATI card worked fine)
*Swapped my Packard Bell PS/2 keyboard with a E-machine PS/2 keyboard (This seems to have fixed the issue)

I've read on these forums that another person had the same problem.  He claims that he swapped his keyboard out, and it appeared to fix the problem for him.  My computer also has been working fine since the swap; however, it hasn't been that long, and the power loss happens randomly and not as often with my ATI graphics card installed (I already RMA'd my XFX 6800GT appearantly for no reason now  ).  So, I'll let you know how things are going.  My PC has been running problem free so far for three gaming sessions of about 1 hour each.  I'll let you know if I find anything else out about this problem and keep you informed of my testing.

R u sure that your PSU supplies 14A on 12V rail? If it is the case, trash it out first before sending another parts for RMA.

[Shotyme]

Yeah, I noticed the Amps were low after I bought that new RaidMax PSU, but it has 450 Watts.  Isn't that good enough???  Anyway, it was my Packard Bell PS/2 keyboard causing the random power outages.  I'm 90% sure of it at this point as my PC has still not lost its power since changing that dumb keyboard.  Thanks for the PSU suggestion though.