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post #6661 of 9641
Quote:
Originally Posted by Mastiffman View Post
You should need be adjusting your CPU Voltage. Don't touch the CPU VDD Voltage. You may very well need to bump the CPU Voltage to 1.45v-1.475v. I can run completely 24/7stable @ 3.8 (200x19) with CPU Voltage set to auto and it registers in CPU-Z as 1.386v during full load, 1.392v @ idle. BUT, When I set the CPU Multi to 20 for 4.0ghz I have to set my CPU Voltage in Bios to 1.48v. In Windows it will register @ 1.472v at idle and at full load it bounces back and forth every few seconds between 1.456v and 1.464v. So that may be your issue.
Thx mast for the reply. I did what you said, put the CPU Voltage to 1.47 in bios, Anything lower would be unstable... now at full load at 4GHz its reads 1.448v and is an hour into the test already staying stable. When I had lower voltages it crashed within 5 mins of the tests. I normally had my cpu at 3.8GHz (200x19) at 1.4v just like you for my 24/7 use. Can I leave this new setting for 24/7 use, or should I drop it down to 3.8GHz again?
Edited by Nightcrawla - 5/10/10 at 7:14pm
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post #6662 of 9641
Quote:
Originally Posted by Aqualoon View Post
Trying to OC my 1055T, the problem I'm facing is that if I go above 260 FSB at all, I will get a Hyper Transport Flood Sync Error. I have then tried to put my HT link at x5, x6, x7, x8, x9 since if I leave it at auto it will be x10 with no luck.

Any thoughts on what's going on and how to get passed it? I know this chip can do more then 3.64GHz @ 1.39v

Found this old post about this error and going to repost it and respond to each point as I'm trying to figure this out...



1. 260 FSB @ 1.39v = Completely stable, 261 FSB @ 1.5v = HT Sync Flood Error upon stability testing
2. This mean I'm stuck at 3.6GHz?
3. Could be possible, haven't ran into any other issues even when I was using a 4870x2 + GTS 250 OC cards
4. How can I determine if this is the case?

What bios are you running? I have 1055T and the same board and i could get it up to 350+ HTT no problem
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post #6663 of 9641
1.B, can't disable the AMD Turbo thing in 1.A
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post #6664 of 9641
Quote:
1. 260 FSB @ 1.39v = Completely stable, 261 FSB @ 1.5v = HT Sync Flood Error upon stability testing
i'm running 1.b0 too. 1.39v is good if not plenty for 260fsb, did you check ht link or cpu-nb speed? HT sync flood error usually associates with either cpu, cpu-nb or cpu-ht having less voltage for a certain clock speed.

you might want to try upping the nb voltage to something like 1.25~1.3v

or you could also do this, set everything back to auto and then let "auto overclock (max fsb)" run on your next boot up and see if you can get past 260
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post #6665 of 9641
out of interest i have a spare gts250 i can use that as my physx card on this board correct?
post #6666 of 9641
Quote:
Originally Posted by Mastiffman View Post
Well what is your Freq at For your ram when you are @260 and what does it become at 261? What is your ram rated for (Freq, timings and volts) and what is it set to?
At 260 and 261 nothing changes RAM wise, stays at a 3:8 ratio. So at 260 it's running at 693.4MHz 7-7-7-16 @ 1.5v

Rated for 800MHz 8-8-8-24 @1.65

I went up a bit higher with the ram so that if I needed to, I could do some higher FSB OC's without running into too many RAM/ratio barriers.
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post #6667 of 9641
Quote:
Originally Posted by Nightcrawla View Post
Thx mast for the reply. I did what you said, put the CPU Voltage to 1.47 in bios, Anything lower would be unstable... now at full load at 4GHz its reads 1.448v and is an hour into the test already staying stable. When I had lower voltages it crashed within 5 mins of the tests. I normally had my cpu at 3.8GHz (200x19) at 1.4v just like you for my 24/7 use. Can I leave this new setting for 24/7 use, or should I drop it down to 3.8GHz again?
Yes, as long as it's stable you will be fine. just watch your heat production. If it can run a 24 hour run, lower the CPU Voltage a notch and retest. This can be repeated as many times as possible until unstable to reduce heat. onc e you become unstable, raise the volts back to last stable setting...

Quote:
Originally Posted by Aqualoon View Post
At 260 and 261 nothing changes RAM wise, stays at a 3:8 ratio. So at 260 it's running at 693.4MHz 7-7-7-16 @ 1.5v

Rated for 800MHz 8-8-8-24 @1.65

I went up a bit higher with the ram so that if I needed to, I could do some higher FSB OC's without running into too many RAM/ratio barriers.
What Ram do you have? That may actually be your problem. Even if the ram is Rated at Cas8 @ 1.65v, sometimes lower the timings down will actually nned More voltage than the rated 1.65v Even IF you are running at lower rate freq.
Edited by Mastiffman - 5/11/10 at 11:45am
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post #6668 of 9641
I've been reading reviews about this mobo and I was told that I would be happy with this mobo when paired with the 1055t/1090t. Is the bios fully matured at this point? I've read certain issues about slow SATA performance and some OC'ing issues in a couple of articles. Has this been corrected? How is the Crossfire performance? If my final decision is to buy this mobo ($140 after rebate), what is the recommended memory to use with this mobo? Overall, what is your honest opinion about this mobo?

I know this probably should of been a new thread but I believe I will get the facts if I had asked these questions in this thread. I've been with Intel for a long time and I've always wanted to try out AMD/ATI. Since AMD has released their six-core cpu, I think it might be the right time
Edited by drBlahMan - 5/11/10 at 6:25am
post #6669 of 9641
Quote:
Originally Posted by drBlahMan View Post
I've been reading reviews about this mobo and I was told that I would be happy with this mobo when paired with the 1055t/1090t. Is the bios fully matured at this point? I've read certain issues about slow SATA performance and some OC'ing issues in a couple of articles. Has this been corrected? How is the Crossfire performance? If my final decision is to buy this mobo ($140 after rebate), what is the recommended memory to use with this mobo? Can somebody give me they're honest opinion about this mobo?

I know this probably should of been a new thread but I believe I will get the facts if I had asked these questions in this thread. I've been with Intel for a long time and I've always wanted to try out AMD/ATI. Since AMD has released their six-core cpu, I think it might be the right time
best 790fx board out there imo. crossfire works great in 16x/16x and 16x/8x and 16x/8x/8x but thats mainly due to ati drivers. the only issues i have with the mobo is the crappy tim the factory applies to the nb/sb heatsinks (first mod that should be done is replacing with good tim) and msi claims ram can be oc'd to 2133 which is unreachable due to imc. easy to oc, easy bios flash, oc dial is kinda cool to look at(i dont use it).
Edited by DrBrownfinger - 5/11/10 at 6:33am
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post #6670 of 9641
The motherboard is great, nice layout. It just need a new bios for better thuban support.

Northbridge temperatures can be fixed using better thermal interface material and with plastic washers between the screws and mobo. The latest boards got these in place.
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