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Need some experts to help...

post #1 of 11
Thread Starter 
Hi... (this is my second post)

Just wondering if i might seek some expert help here with my setup, I'm reasonably experienced in such things, but have lost all confidence in myself recently since i fried my motherboard and CPU ( phenom-9550 ) - The smell of burning silicon filled my nostrils, my heart sank as i desperately tried to pull the power cord out the back...but alas, it was too late.

( wasn't my fault... well it could of been, but i digress )

anyways... as you can see from my specs I'm good to go, looking around for various new computer parts i picked and fumbled my way through the pages of ebay for good deals, the parts i gathered happened to be a 'spider' platform so I'm told...or read at the AMD website, 790FX chipset, Phenom and an ATI graphics card (in my case an HD4870x2)

At present it's all working... but it was tears before bedtime with my Geil (black-dragon) 4x1 Gig set of 1066 ram, only 2 sticks work at 1066, i get downgraded to 800mhz with all for, anyways...it was AMD "Overdrive" that killed my last board... and tentatively i installed it again ( remembering not to click 'auto-clock/tune'...watch it freeze...then press the reset switch...smell burning? ) look ok, although it said my multiplier was x6.5 running @ 1300mhz... is that cool & quiet doing that in my BIOS?

I'm not too sure about this motherboard and BIOS version (F5) apparently this board does not support the Phenom 9950 (BE) as yet... although it's working now on this machine... in fact any previous BIOS version will not boot my machine with the 9950 installed... Can i ask... Is the AutoXpress features in my BIOS safe to run would you say? i think there's two options for CPU and GPU enhancements....

If there's any advice or cool software i could get to help me with this new system please advise me, I'm putty in your hands... mold me

cheers

-13th
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XeXeX
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post #2 of 11
get cpuz see what voltages your running and multiplier speeds.get mem test. if your overclocking i suggest doing it manually by increasing the fsb in 5 mhz increments
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post #3 of 11
Thread Starter 
Thanks...

'cool & quiet' is off.... running @ 2.6Mhz (x13) FSB is 200 - core voltage is 1.280v

I'd have to enter my boards 'M.I.T' so called to tweak, everything set to auto... i'll try upping my FSB a bit, not by much, see how i go...

-13th
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XeXeX
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post #4 of 11
Oh man, NEVER use software to overclock your computer. Sorry you had to burn up a board and CPU to find that out

To start you'll want to turn off Cool'n'Quiet and lock the PCIe clock at 100MHz. Next, you'll want to secure your memory at safe speeds, timings and voltages. Manually set it to the voltage recommended by the manufacturer. Next, set the timings to something loose like 5-5-5-15-2T and set the speed to something low like DDR2 667.

Now that the memory is safely underclocked, set the CPU voltage to something low-moderate like 1.35v. The you can start increasing the reference clock (the thing that starts at 200MHz) to overclock the CPU. Like others have said, go slow, like 3-5MHz at a time. After each increase, run CPU-Z to verify the CPU speed, memory speed, and HT Link speed. As you increase the speed of the reference clock, you'll be indirectly increasing all 3 of those speeds. Run Prime95 (stress 4 cores) for a couple minutes (about 2min or so) to make sure it's not completely unstable. Unless Prime95 fails, restart and increase the speed another 3-5MHz. Let us know when you start running into problems.

I wrote a guide for AM2 platform X2's, but it will probably be of some help for your AM2+ Phenom setup. You can read it here.
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White Whale
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post #5 of 11
Thread Starter 
Thanks Durch...

I just came on to tell you what happened to me again... i did slightly increase my FSB to 205 and all was ok... everything else on auto, now here's where something went wrong, i hear about the multiplier (x13 for me) or rather 'auto' for me... so i reset my FSB back to 200 and set my Multi to 6.5 just to see what happens, happily underclocked ok

ok i thought, lets go for x14, everything else on auto... and my BIOS crashed, bad checksum error (done the same to me this morning upping my multiplier) the motherboard loaded a backup bios at boot but unfortunately doesn't support the phenom 9950, so it wouldn't boot... so i hunt down a 64x2 5200 CPU i had spare and boot up, then i have to update my BIOS to version F6 (award i believe) insert the phenom and start again... won't be touching that again soon.

I'll try my ram timings again, running at 1.9v although it needs 2.4 apparently (Geil) on auto with all 4 sticks (1gig each) runs at 800Mhz... i can run 2 sticks in one channel @ 1066 (5.33 multiplier enabled when phenom installed) but not four of them... last time i tried my default timings (5-5-5-15) windows loaded, corrupted font, corrupted winlogon.... great my account is corrupt, won't load... god knows, so either way I'm getting blasted and thus I'm overly cautious now....

I heard my mobo using this bios version at present does not support the 9950BE, so if you can recommend a motherboard which can take my 4870x2 and would enable me to utilize the overclocking abilities of that 9950 then I'd be grateful... but at the moment, i don't know what to try... although saying that i did try AMD-Overdrive a few days ago and upped my multiplier to x15 and I'm sure my CPU got 3Ghz...so it said, but again it showed -1 & -1 for both my GPU's and because of my previous fried board i uninstalled it...

anyways, now to re-installed my bios... i think i might need a new mobo for this job perhaps, i'm just to terrified of doing something i shouldn't now even though I'm not doing anything too out of the ordinary... i dunno.

-13th
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XeXeX
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post #6 of 11
Hmm, odd that the system would fail to post on just a small multiplier increase. But the problem is almost certainly that you're leaving everything on Auto. Auto isn't designed to handle overclocked multipliers and reference clocks. When you leave important features like voltages, RAM speeds, HT Link multipliers, RAM timings, etc on Auto and start overclocking something like the CPU multiplier or reference clock, then instability can occur. It's a good idea to read up on overclocking and do it properly instead of taking shots in the dark with the reference clock and CPU Multiplier and hoping for the best.

A new board may be a good idea, but I see no reason why your current board cannot handle a decent overclock. Here are the essential features you must understand and manually set when overclocking an AMD X2 socket AM2 CPU: read about them here. I haven't personally overclocked a Phenom yet, and I know there's a few differences like the HT Link runs at 2600MHz not 1000MHz like the X2, but I bet most of these settings are vital to overclocking a Phenom as well.
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post #7 of 11
Ok, let me begin by saying that you picked the worst board you could have picked in the face of this planet, and it's going to spontaneously combust on you soon. It is IMPOSSIBLE to get a stable overclock on this crappy board. I have had it for two years, and twice I have had to stop myself before I threw it out the window. So yeah, You'll never get a stable overclock, I have, however, never tried the crossfire setup, so good luck with that if you ever attempt it.
Cheers
-Falven
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post #8 of 11
Thread Starter 
Thanks you guys for the advice, Durch you were right of course, i wasn't experienced and i was hoping for the best, i should research some more, but i have been doing a fair bit of reading on forums etc and one of the smallest things i could of done was a few experiments, but i understand to fully unlock the potential of over clocking motherboard settings on 'auto' wouldn't cut it... so thanks

...falven, thanks... i installed a 4870x2 (one card) and it's fine, although crossfire enabled i haven't actually installed another card, i had an 8800GTX in there working fine, but it's a new board for me... only had it 2 weeks - Considering the Gigabyte website tells me 9950's are not supported on my mobo then perhaps i would be better off with another board...once i get a bit more knowledge under my belt about over-clocking etc...

-13th
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XeXeX
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post #9 of 11
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post #10 of 11
Check my numbers man...
    
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