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Author Topic: msi Z68A-GD55 (G3) New Build starts and stops repeatedly  (Read 2480 times)

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Mighty_Blob

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New build on an msi Z68A-GD55 (G3)
i7 2600
16 Gb Corsair DDR3 Vengence
Asus GTX 570 video Card
Zalman CNPS10X CPU Cooler
Corsair CMPSU-800 GUK 800w PSU

System starts and all fans spin
All 6 cpu phase leds light
Runs for approx 5 seconds then shuts down
If I don't physically switch off power at PSU or hold case power switch down the on-off cycle repeats indefinitely.

have removed the CPU and checked pins - same error occuring

Any help would be appreciated.

Thanks

Mighty Blob

PS also any other information you might need.


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Jack

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #1 on: 06-February-12, 21:16:27 »

Please test in minimum configuration:

- CPU
- one memory module
- power connectors
- keyboard

Take out the other memory modules, the video card (use onboard video) and all hard drives & optical drives for testing.

Also: >>Clear CMOS Guide<<
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Mighty_Blob

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #2 on: 06-February-12, 21:37:14 »

It's ALIIIVE!

Genius. Thanks, system now boots to BIOS.

The question is now, what do I put back and in what order?

Thank you again BTW - was starting to pull my hair out.
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Jack

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #3 on: 06-February-12, 21:41:31 »

Quote
16 Gb Corsair DDR3 Vengence

Can you write down the exact model number?

Is that a kit of 2x8GB or 4x4gb modules?
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Mighty_Blob

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #4 on: 06-February-12, 21:52:13 »

Update.
Inserted a second DIMM module into the DIMM3 socket.
Intermittent startup returned.
Moved the DIMM to Slot 2 - and the system booted with 8Gb of memory.

I have had a problem before on a different machine when using all the DIMM sockets and that was resolved by increasing the voltage supplied to the RAM chips (via BIOS)

Am I looking at a similar scenario here? i.e. should I attempt to increase DIMM voltage before adding another module?
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Mighty_Blob

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #5 on: 06-February-12, 21:55:18 »

Sorry, we crossed posts there.

That's 4 x 4Gb

(Corsair CMZ16GX3M4A1600C9 16GB 1600MHz CL9 DDR3 Vengeance Memory)
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Froggy Gremlin

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #6 on: 06-February-12, 23:11:04 »

Quote
I have had a problem before on a different machine when using all the DIMM sockets and that was resolved by increasing the voltage supplied to the RAM chips (via BIOS) Am I looking at a similar scenario here? i.e. should I attempt to increase DIMM voltage before adding another module?
Very possible. Auto/default DRAM V. may be getting set too low. Would recommend to try the 1.521-1.55 range.
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Mighty_Blob

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #7 on: 07-February-12, 01:31:12 »

So, tried values in the 1.521-1.55 range - as soon as I insert the third module the system starts it's boot/fail hiccup routine.

How high can I push the DRAM voltage before I endanger the memory chips, and is this really the likeliest culprit? If so would it not be quite common?

Thank you for help and comments BTW.
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Froggy Gremlin

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #8 on: 07-February-12, 03:48:50 »

1.65v's is the limit, but I am having doubts that is the underlying problem. Either the #3 slot is defective, possibly shorted out be an errant standoff, or there is a circuitry issue between the dimm slot & the CPU. The latter would indicate a bent pin the CPU socket. It's a major PITA, but I would recommend another bright light, magnifier reinspection of the socket pins.

Have you tested each RAM stick individually in the primary dimm slot? Does everything work alright with RAM in just slots 2 & 4?  
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The Last Hoorah! I Had Retired From All This! Can't Believe I'm Really Doing A Platform Test One More Time!  :shocked:

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Mighty_Blob

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #9 on: 07-February-12, 13:40:15 »

RAM only works in slots 1 & 2
When I put a module in either 3 or 4 the system fails.

I've tried ramping up the voltage a bit too - to no avail (though interestingly, the actual DRAM voltage reported is below that it supposed to be set to - approx 0.02v below)
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Froggy Gremlin

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Re: msi Z68A-GD55 (G3) New Build starts and stops repeatedly
« Reply #10 on: 07-February-12, 21:43:15 »

Quote
When I put a module in either 3 or 4 the system fails.

Sounds very much like bent CPU socket pins, shorting out of 3 & 4 (errant standoff), dud CPU, uneven CPU cooler torque pressure, faulty dimm slots, circuitry breakdown between dimms & CPU.
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The Last Hoorah! I Had Retired From All This! Can't Believe I'm Really Doing A Platform Test One More Time!  :shocked:

Z97 Gaming 7, 4790k, Zalman CNPS9900Max-R, Corsair AX-850, Corsair Dominator Platinum 2800's, WD 600 SATA III V.Raptor, Lite-On iHAS 424, GTX 680's In SLI, Creative X-Fi Fatal1ty Champion, Win 7 Ultimate 64 Bit    



Life Can Be Very Fulfilling Without Win 8/8.1, SSD's, RAID, Current AMD GPU's, G.Skill RAM, Hackers, Crackers, & Crypto Mining!

IXOYE
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