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CPU issues with an ASUS M5 A99X EVO

post #1 of 5
Thread Starter 
I have an Asus M5 A99X EVO running an AMD AT Athalon II X3. Ram is wintec 3VH13339U9-2GR (4 Gigs total) system is running windows 7 and has been stable for over 4 mos.


I installed an AMD FX-8120, updated the bios to 1102, and reset the CMOS. The bios is set to default so i can work on it and overclock it later once i get the system up and stable.


Windows boots and the windows logo comes up and becore it gets to the password screen it shuts the computer down. I have to power it down by the power switch on the power supply before I can restart it. Windows comes up and asks to do a repair or boot normally. There isn't an option to start windows in safe mode.


As windows does its repair, it starts to load files then it too shuts the computer down, and again, can't restart the computer without first cycling the power behind the power supply.


I've tried to boot from the cd rom and windows will start to load files, then it too shuts the computer off. I cant get to a screen to reinstall windows even if i wanted too.

Is this a windows issue or a bad CPU??

HELP!!
post #2 of 5
Had some strange things like this when I got a failed OC the Bios seems to get corrupt or something. To fix it unhook the power to the PC or turn off your PSU then do CMOS reset leave it 10 mins and then power back up. This worked for me, Might be that it dislikes the ram timings this also gave me some weird bios behaviour.

Don't think it's your CPU put it that way, FYI my system is stable as now just a flaky board when recovering unstable changes.
Edited by Cool Breeze - 4/16/12 at 5:24am
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post #3 of 5
^What the guy above me said..and also..FX chips are real finicky about RAM timings and such
 
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post #4 of 5
Thread Starter 
Some Additional notes:

Running Windows 7, x64.


I've pulled the power and pulled the battery for over an hour so see if this would help dump the CMOS. No luck in getting this to work.


I have new ram to install (Corsaire CMZ8GX3M2A1600C9 (XMP)) {8G sticks, 4 total, 1600 Mhz}. A total of 32G to add once I get the FX chip to play nice. From what has been said so far, and if it is true the FX is finiky with regards to RAM timing, I just might swap the ram also and see what happens. It doesn' t run with what's installed, so I guess I can't do any worse than I already am.

I'm also tempted to revert the BIOS to the previous version. It didn't give me any problems with the older version and the AT Processor. Maybe start from the begining and make suttle changes until this thing decides to cooperate.

Additionally, when I reinstall the AT processor, and Windows does it's repair, all is well. The comp is nice and happy again, even with the new BIOS loaded and running. All BIOS settings are at default with this chip.

I'll keep plugging away.

Any additional thoughts or help would be greatly appreciated.
post #5 of 5
Definately try the new Ram, I would install just 2 dimms to start off with, I used the 2 blue slots. Note that I was unable to get my system stable using the rams default timings, If i left the board to auto timings I had no issues. However after some overclocking I have my GSkill Ripjaw DDR 3 1600 clocked @ 1866 Mhz @ 1.61 volts 10-10-10-28 1T rock stable. So you will get there it's just a matter of how. FYI I'm on the same Bios as you.
Edited by Cool Breeze - 4/16/12 at 8:34am
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Acer 22" LCD eclipse II 800W Modular Xenta HAF 932 
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OCZ Agility 3 Pioneer Blu Ray Writer BD 206 Custom Water  Win 7 Ultimate x64 
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Acer 22" LCD eclipse II 800W Modular Xenta HAF 932 
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