Official GIGABYTE Forum
Overclocking, Benching, Events, Tweaking & Modding => Overclocking motherboards with AMD processors => Topic started by: rooie on August 10, 2011, 08:13:41 am
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I am coming from an Asus M4A89TD Pro/USB3 and it was very easy to overclock the 1055T to 3900mhz, just raised the FSB to 300mhz, lowered the multiplier to 13, raised the Vcore to 1.3975 and voila, all was done!
The 990FXA-UD5 is something else >:(
Whatever i try i can not exceed 3500mhz ???
Yes i have read the topic on the 1090T but it will not work for me.
Even raised the Vcore to 1.650 volts without any succes!
I am using beta bios F5B, still the vdroop is terrible and has tried F5C without any luck. :-\
Who?
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Hi there,
I sympathise with your findings and can not really explain what is happening with your system. Sadly I don't have access to your CPU and so am unable to do any testing on your behalf.
As the F5c BIOS is a beta version there maybe an issue with that and it might be worthwhile trying the F4 BIOS to see if that helps. If there is still no improvement then I would recommend that you contact Technical Support here: http://ggts.gigabyte.com/tech.asp?ClassID=2&Country=Holland&SourceWeb=B2C as they maybe in a better postion to do some tests and advise you better.
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Thanks!
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Has asked for technical support, will let you know the outcome.
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rooie I have a 1055T lieing around that I can pop in. However I already know that my 1055T is only good for 4.2ghz @ 1.54v.
I'll tell you what I'll do. I'll set my 1100T multi to x14 and do a FSB only OC up to 4ghz and let you know which settings I used. Then we can see if you can match that. (I'll photograph the bios settings I'll use for you) be back in a bit.
~Red
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Ok rooie!
I did some playing with my Thuban locked to an X14 multi (did not feel like doing the CPU swap, sorry :D )
Here are the bios settings I used.
Now mind you this is with my CPU cooled by air using a Zalman 9900Max, so you should be more then able to do this as you are under water on your CPU.
(http://pumpgasracing.homestead.com/files/Comp/x14thuban/x14s1.jpg)
(http://pumpgasracing.homestead.com/files/Comp/x14thuban/x14s2.jpg)
(http://pumpgasracing.homestead.com/files/Comp/x14thuban/x14s3.jpg)
(http://pumpgasracing.homestead.com/files/Comp/x14thuban/x14s4.jpg)
Quick stability check in windows.
Voltage drop under load.
(http://pumpgasracing.homestead.com/files/Comp/x14thuban/x14runload.jpg)
Cool and Quiet doing its job once the load is gone.
(http://pumpgasracing.homestead.com/files/Comp/x14thuban/x14runidle.jpg)
I hope this is helpful rooie.
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THANKS!!!!!!
I am now for lunch at home, as soon i am finished working i will try your settings.
And yes, an 1055T IS an 1090T which is being rated/tested/lower, i know, so the settings must be no problem.
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I am at home now and system is for the first time running an test.
Seems to me that i had two faulty settings: :(
Northbridge: i had set it equal as HT, tried to hold both around 2000mhz.
Cpu voltage, i didn't had the guts to raise it above 1.65 - it is now according to your specs 1.675 and idle 1.63 according to HWmonitor, what an Vdroop!
Cpu voltage, 1.63 idle isn't to much i guess? ::)
Well, the first test Everest/Aida.
If the cpu usage do not drops for 10 minutes then it is an sign the oc is good....... ;D
Time to fire up Prime95, fingers crossed........ 8)
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Whoa!
You're looking at the DRAM Voltage of 1.675 not the CPU Voltage which is 1.4750V. You have the CPU voltage set a little bit too high I think. :o
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Whoa!
You're looking at the DRAM Voltage of 1.675 not the CPU Voltage which is 1.4750V. You have the CPU voltage set a little bit too high I think. :o
Yes, i have noticed that, allready lowered the voltage, temps where mucht to high - tests running....
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Whoa!
You're looking at the DRAM Voltage of 1.675 not the CPU Voltage which is 1.4750V. You have the CPU voltage set a little bit too high I think. :o
My DRAM moduels call for an opperational voltage of 1.65v, If you notice in the PC_health tab when set to 1.675 my Dram runs at 1.644 I have to set the voltage for drop, the primary complaints I have with the UD5. Everything sufferes from drop.
My CPU is set to 1.475 in bios, which results in 1.488 under PC health, but 1.392v under load.
If Gigabyte would unlock LLC for us, I could my overclocks with a lower initial voltage. But with no load on the items a raise in voltage does no harm. Its what the voltage is after the load is there, that is what matters.
If your ram is really good I can give you some tips on running it at 1950mhz 9-9-9-24-41-2t That is the highest I accheived on my 1055T 4ghz with the ram at 1950mhz (Corsair 1600mhz XMS3) 2860mhz NB rock solid stable at just over 1.54v CPU 1.65v Ram, 1.312v CPU-NB
Edit: DO note though, I picked my my 1100T last year for its low voltage opperation at decent clock speeds. 24/7 I run 1.275v on the CPU @ 3700mhz, 1.35v on the DRAM @ 1600 9-9-9-27-42-2T, 1.1v on the CPU-NB @ 2400mhz and on my GTX480's which have a shipped voltage of 1038mv I run them at 996mv. I like to keep temps down so for 24/7 useage I undervolt.
2nd Edit: I really can drop in my 1055t for fine tuning help if you need. Its just chilling in my M4N98TD atm.
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Can not get it prime stable at this moment, whatever i try!
Everest/Aida4004mhz stable but thats Everest/Aida, do not mean anything!
3500mhz is still the best option!
i read that you also have/had an Asus mobo, all what i learned with Asus M4A89TD pro/usb3 is not usable with Gigabyte. >:( :( :-[
But... you still have pointed me in the right direction!
Will tomorrow go furtheron, it's late evening overhere, bedtime.
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You are talkiong about running your memory at extreme speeds. I haven't folowed the thread but do check with absic first before you do it as this can be very dangerous for your CPU because of the memory controller.
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While true on a C2 and C3 step CPU, the E0's have incredible IMC's which take a lot of punishment. I have been running in excess of 1600mhz on my 1055T for a year without a hitch. Something I could not dream of doing on a C2 step CPU.
All overclocking shortens the life of your parts, it is a question of how far you wish to take it. If you keep only two dimms installed, it is much easier to run the AMD IMC over 1600mhz. While with all four dimms populated it is a wise idea to limit yourself to 1600 and under.
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That's fine then as long as you are aware of the possible pitfalls involved.
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Well, i give it up! :(
Has tried what could be tried for the last couple of days but i can not get an Prime stable overclock except 3500mhz.
It is my strong believe that there is still to do an lot of work by Gigabyte and that, like Asus, the bios is NOT mature regarding the 990 chipset (AM3+).
Have to say that Gigabyte is better then Asus because i could do some overclock and Asus was clearly an disaster!
In my humble opinion there are two major problems:
The terrible, TERRIBLE vdroop and not like Ggabyte wrote me that it is because AM3+ specs, you can allways program the bios for every cpu seperately isn't it? Otherwhile Gigabyte has build an faulty board because it is also to be used with AM3 (without +) cpu's!
The cpu/memory/fsb divider stinks!!!! It's my believe that here lies one of the major problems.
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Well, look here, from the Hardforum where apparently the official Asus reprensative is:
The AGESA code for the 9 series boards is designed with Bulldozer in mind, and does not suit older CPUs for outright overclocking. Thre is not much we can do about this, the timing offsets for signaling are completely different as AMD have optimised for Bulldozer.
http://hardforum.com/showthread.php?p=1037637183#post1037637183
If thats true then how on earth can sombody sell motherboards also for the AM3(not +) and other cpu's!!!!!
Guess it also is concerning Gigabyte?
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I guess this is part of the price we pay for backwards compatibility.
If it were a new Intel CPU coming along then we would all be complaining about the fact that we had to buy a new board just for a different socket.
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If thats true then how on earth can sombody sell motherboards also for the AM3(not +) and other cpu's!!!!!
Guess it also is concerning Gigabyte?
Its ok, the 9series chips are ment for Bulldozer I just was messing around with my 1100T till BD arrives. So far I've landed 4.4ghz as my absolute best, but keep in mind, unlike most Thubans, mine has a very low voltage requirement for stock (1.275v) which gives me huge headroom for overclocks.
Just wait for Zambezi, it should be worth it.
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Well, the big word is out:
Dear Henk,
First of all sorry for the engineer sample processor, for it can unlock cpu core.
We just got a AMD processor 1055T (125W) with only X14 mulitplier and tested on our motherboard 990FXA-UD5 and Asus Crosshair V (990FXA) without any success on over clocking to 3900 FSB.
Therefore using this AMD processor Phenom II 1055T when set to 3900 will cause system unstable. This event not only on Gigabyte but other brand as well.
If you reach the CPU FSB to 3780 is good enough. on AMD 9xx platform.
Kind regards
GIGABYTE-Team
What does this means?
An 990 chipset can NOT overclock an 1055T as with an 890 chipset despite the promises made by AMD and other manufacturers!
Can somebody explain to me why they build an mobo which should b e capable to handle AM3 as wel as AM3+ processors if the AM3 apparently fails?
Yes, i know, it is not only Gigabyte but the other manufacturers as well! Have already returned an Asus Crosshair V to the shop because the lack of overclocking and especially the lack of support by Asus,.
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Hi again,
The AM3 processors are supported so no-one is making any false claims and they do work at their default settings.
However, you are talking about overclocking and sadly, although overclocking abilities are the main selling point with a lot of motherboards there is never any guarantee that it will work or be successful.
As has been repeatedly mentioned, the 9 Series boards are primarily designed for AM3+ processors with backwards compatibility for AM3, obviously this has a limitation when it comes to overclocking some processors.
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What does this means?
An 990 chipset can NOT overclock an 1055T as with an 890 chipset despite the promises made by AMD and other manufacturers!
Can somebody explain to me why they build an mobo which should b e capable to handle AM3 as wel as AM3+ processors if the AM3 apparently fails?
Yes, i know, it is not only Gigabyte but the other manufacturers as well! Have already returned an Asus Crosshair V to the shop because the lack of overclocking and especially the lack of support by Asus,.
Overclocking is an art form, you must poke and prod, observe and even LISTEN to your computer, it will tell you what will work, you need to listen for the VRM's, watch temps and voltages like a hawk. If you want 4ghz on a 1055T and you want it stable. Even on the 890FX you need to spend some time tweaking.
I accept your challange that the 990FX cannot push a 1055T to 4ghz, and then I prove it wrong.
Ambient temp 29C, air cooled 1.6v in bios (1.505 after drop) running near TJ max 61C. If I had my cpu under water this would be much easier.
(http://pumpgasracing.homestead.com/files/Comp/4ghz1055.jpg)
(http://pumpgasracing.homestead.com/files/Comp/4ghz10552.jpg)
(http://pumpgasracing.homestead.com/files/Comp/4ghz10553.jpg)
Now if you will excause me, I need to spend an hour putting my 1100T back in.
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Have you had any more luck yet Rooie?
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an core voltage of 1.632 IS insane, will not try and certainly even will not think about it!
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Idle voltage is not the issue, it is voltage under load.
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Yep and an temperature which is rocketing to the sky!
Do not try to fool me, AMD and/or Asus and/or Gigabyte and/or .....has delivered an very bad design with the 990 chipset! >:( :'(
Would you buy an car with brakes wich wil not functioning? Guess not and the same is happening overhere, they promissed that it will work but in real it will NOT!
No excuses possilbe like AMD still has not produced the 'Bulldozer'; how on earth can somebody manufacture, sell and promise something when the main part is not there like for instance the cpu!
Guess who is paying the bill? Yep, the customer!!!!!!!!!!!!
The best example was the 790 chipset which was an disaster, no developer/manufacturere would take any responsebility for this and i foreseen the same happening with the 990 chipset. :'(
Has seen this in my whole computer live: somebody develops something and the customer may test it in real + pay the bill. >:(
Yes, there are 6.918.000.000.000 guinea pigs out there.........
Ps:
please bear in mind the Gigabyte is the only one who has responded to my complaints and i thank them for their honesty!
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The 990 Chipset is doing exactly what it is designed for, be built for the AM3+ which is a die-shrink, it will use less power to do the same job.
The reason for most 790 chip failures was due to a lackluster VRM used by most AIB's however those who used at least an 8+1, those boards have been trouble free for a long time. One of the Greatest 790FX board was the MSI K9A2 Plat V2 which had the most PCI-E Slots of any board for its time, four PCI-E x16 slots which with all for used ran at x8/x8/x8/x8. Folders use this board to this day in 24/7 enviroments powering GPU farms.
You are being unreasonable, the AM3+ is designed for AM3+ CPU's first, with compatibility for AM3's. Have you tried disableing two cores on your Thuban? It's looking like to me that the AM3+'s following AMD's specs may need considerably less power then the hungry Hexa AM3's as while using my 1100T as a quad core, I run into almost no Vdrop at all.
Yep and an temperature which is rocketing to the sky!
Actually using an air cooler (The Zalman 9900Max 135mm) I was able to keep my 1055T just below the TJ Max of 62C (Kept it at 61C) with an ambient temp of 29C. This was at the bios 1.6v which landed me at 1.505v under load. On top of that using both C1E, and AMD C&Q kept my idle voltage down to 1.3v when the CPU idled, the only time CPU-Z would report 1.6v with C1E and C&Q off, or during a power transition state when C1E and C&Q were both enabled.
Keep in mind it may simply be the fact that your 1055T was on the lower end of the BIN like mine was. As I told you my 1055T is a voltage HOG, needing to go over 1.4v just to get outside of 3.3ghz, while my 1100T is a very high BIN chip needing only 1.275v (1.22v on load on the UD5) to do 3.6ghz, 1.35v (1.28 load) for 3.8ghz, 1.4v (1.328 load) for 4ghz, then north of that to go higher.
The only thing I am wondering now, is are you setting the timing for your ram correctly, are you setting the multi's for you HT and NB down to accomidate for the higher FSB. I do not know these things, as you have not shown us what setting you are using.
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I suspect that you are paid by...... can not say that your comments are from an ordinary customer.....
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I suspect that you are paid by...... can not say that your comments are from an ordinary customer.....
Just for the record I can assure you that none of us are paid by anybody involved with this forum or company and are all just unpaid volunteers and do it just for the joy! :D
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I suspect that you are paid by...... can not say that your comments are from an ordinary customer.....
With that I am done with you.
Good luck.