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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 714

post #7131 of 38704
but wouldnt modding your bios (violts, 3d clocks, fan profile) take out the need for software like ab? i mean id still use it for the osd.
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post #7132 of 38704
Quote:
Originally Posted by firestorm1 View Post

but wouldnt modding your bios (violts, 3d clocks, fan profile) take out the need for software like ab? i mean id still use it for the osd.

I will use AB for Voltage Control and monitoring. I just want something to increase limits just like UOC. Also i am trying to OC it with fan @ 100% to eliminate temp problem. I tried 1.2v @ 1200Mhz. Stock Memory. I get texture flickering and random artifacts. What does this mean? I had it @ 1175v and upped it to 1200v and made no difference at all.
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post #7133 of 38704
bump it to 1206mv or 1212mv and see what happens.
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post #7134 of 38704
Quote:
Originally Posted by firestorm1 View Post

bump it to 1206mv or 1212mv and see what happens.

I am going to stick to 1125/1575 @ 1.125v until more info is out.
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post #7135 of 38704
Quote:
Originally Posted by Hambone07si View Post

LMAO. I build a lot of gaming systems around my area, around 100+. When people want to upgrade, they just bring me their tower and I install, load drivers, and get it running. Then I give them the tower back and they give me MONEY for what was put in the system. It's easier that way so nothing gets messed up.
Sure, All of you are my friends!!
Many look crazy like this too, that's why I would rather do the work. But this one here would be very easy to do a Gpu upgrade yourself
700

If I didn't have cats... frown.gif

Also, I ran 3DMark and Heaven several times yesterday at 1150/1600 without issue, then played a few hours of BF3. Started getting odd artifacts. The game was running fine but it got to the stage where I had a huge pink wall running through the middle of Caspian which I could only see if I was on one side of it - it disappeared when I went to the other side. I set everything back to stock then had to go to work, so I've not tested.

I don't have any other games to try because at the moment I'm pretty much on a test + BF3 install. So if it's stable in Heaven and 3DMark, but not stable in BF3, how can I test stability without launching a game?
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post #7136 of 38704
Had some fun in Heaven 2.5. Comparing memory clocks.

925 / 1375 - 63.0
1200 / 1500 - 73.6
1200 / 1600 - 75.4
1200 / 1700 - 77.7
1200 / 1800 - 79.4
1200 / 1900 - 80.9

Fairly linear increase.

Still fighting this driver so I didn't push it any further for this little OC session.
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post #7137 of 38704
Quote:
Originally Posted by tsm106 View Post

This is strange... to do both -xcl and ULPS. XCL is a pass thru to use official overclocking via AMD's method while using AB's front end. Disabling ULPS is for use with the unofficial overclocking method. You need to choose which method and stick with it, cuz you're blending both together.

Official overclock blue screens if I change any settings, the BIOS is limited to 1125 MHz max frequency. I am currently not using ULPS, however I believe the Ultra Low Power State has nothing to do with overclocking, it has to do with it being unstable. Essentially what causes instability is going from idle ULPS to full load. Its buggy and often crashes CFX setups. Majority of our issues are solved here. ULPS basically stops Catalyst from completely turning off the second card and it idles like the first card does.

XLC command line just makes a registry setting that when you reboot, Afterburner doesn't limit you to the contraints of your BIOS. It doesn't even start Afterburner, it just makes the changes to afterburner, you have to remove /XCL once you are done to start Afterburner, but the changes don't take place till after reboot.

XCL from Unwinder:
Quote:
/XCL eXtends Clock Limits for official AMD overclocking APIs. Which means that it also extends clock limits for CCC or any other other vendor specific tool using official overclocking interfaces provided by AMD. Considering that it is using official AMD overclocking interface, it is compatible with ULPS. This method is equal to flashing new VGA BIOS with extended Overdrive clock limits.
However, this method uses hidded VGA BIOS emulation debug feature of Catalyst driver. Once AMD decide to remove it from driver, it will stop working. It is also necessary to re-extend clock limit after driver re-installation because VGA bios emulator resides in Catalyst registry entries.

Unofficial overclocking uses old undocumented "hole" in AMD driver, which allows to re-program PowerPlay table and bypass Overdrive clock limits. AMD used this unofficial interface in the past for their internal AMDGPUClockTool. Currently the "hole" is not supported by AMD in any way, it is incompatible with some AMDs own power saving technologies (ULPS), it has many side effects due to "nice" AMD programming skills (such as resetting fan speed and powertune to defaults, etc, etc).

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post #7138 of 38704
Quote:
Originally Posted by D77ooM View Post

Quote:
I just built mine and I spent around 700-$800. Some of the parts I probably could have trimmed some of the cost but you arent going to get a CPU, 2GPU build for under $500
I already got H100 for the CPU, stable at 4.8 with i5 2500k so i'm cool with it
I only need water cooling for the GPU
anyway, can you please tell me where can i buy it from Amazon, or any other online stores ?

If a H100 is the extent of your liquid cooling experiences, I'm not sure I would suggest diving into GPU cooling without a thorough amount of research. Make a thread in the liquid cooling section and ask for recommendations based on a budget and your cards/case.
     
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post #7139 of 38704
Quote:
Originally Posted by RagingCain View Post

Official overclock blue screens if I change any settings, the BIOS is limited to 1125 MHz max frequency. I am currently not using ULPS, however I believe the Ultra Low Power State has nothing to do with overclocking, it has to do with it being unstable. Essentially what causes instability is going from idle ULPS to full load. Its buggy and often crashes CFX setups. Majority of our issues are solved here. ULPS basically stops Catalyst from completely turning off the second card and it idles like the first card does.
XLC command line just makes a registry setting that when you reboot, Afterburner doesn't limit you to the contraints of your BIOS. It doesn't even start Afterburner, it just makes the changes to afterburner, you have to remove /XCL once you are done to start Afterburner, but the changes don't take place till after reboot.
XCL from Unwinder:
Quote:
/XCL eXtends Clock Limits for official AMD overclocking APIs. Which means that it also extends clock limits for CCC or any other other vendor specific tool using official overclocking interfaces provided by AMD. Considering that it is using official AMD overclocking interface, it is compatible with ULPS. This method is equal to flashing new VGA BIOS with extended Overdrive clock limits.
However, this method uses hidded VGA BIOS emulation debug feature of Catalyst driver. Once AMD decide to remove it from driver, it will stop working. It is also necessary to re-extend clock limit after driver re-installation because VGA bios emulator resides in Catalyst registry entries.
Unofficial overclocking uses old undocumented "hole" in AMD driver, which allows to re-program PowerPlay table and bypass Overdrive clock limits. AMD used this unofficial interface in the past for their internal AMDGPUClockTool. Currently the "hole" is not supported by AMD in any way, it is incompatible with some AMDs own power saving technologies (ULPS), it has many side effects due to "nice" AMD programming skills (such as resetting fan speed and powertune to defaults, etc, etc).
Alexey Nicolaychuk aka Unwinder, RivaTuner creator

So do you have a Tutorial how to work it?
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post #7140 of 38704
Quote:
Originally Posted by RagingCain View Post

Official overclock blue screens if I change any settings, the BIOS is limited to 1125 MHz max frequency. I am currently not using ULPS, however I believe the Ultra Low Power State has nothing to do with overclocking, it has to do with it being unstable. Essentially what causes instability is going from idle ULPS to full load. Its buggy and often crashes CFX setups. Majority of our issues are solved here. ULPS basically stops Catalyst from completely turning off the second card and it idles like the first card does.
XLC command line just makes a registry setting that when you reboot, Afterburner doesn't limit you to the contraints of your BIOS. It doesn't even start Afterburner, it just makes the changes to afterburner, you have to remove /XCL once you are done to start Afterburner, but the changes don't take place till after reboot.
XCL from Unwinder:
Quote:
/XCL eXtends Clock Limits for official AMD overclocking APIs. Which means that it also extends clock limits for CCC or any other other vendor specific tool using official overclocking interfaces provided by AMD. Considering that it is using official AMD overclocking interface, it is compatible with ULPS. This method is equal to flashing new VGA BIOS with extended Overdrive clock limits.
However, this method uses hidded VGA BIOS emulation debug feature of Catalyst driver. Once AMD decide to remove it from driver, it will stop working. It is also necessary to re-extend clock limit after driver re-installation because VGA bios emulator resides in Catalyst registry entries.
Unofficial overclocking uses old undocumented "hole" in AMD driver, which allows to re-program PowerPlay table and bypass Overdrive clock limits. AMD used this unofficial interface in the past for their internal AMDGPUClockTool. Currently the "hole" is not supported by AMD in any way, it is incompatible with some AMDs own power saving technologies (ULPS), it has many side effects due to "nice" AMD programming skills (such as resetting fan speed and powertune to defaults, etc, etc).
Alexey Nicolaychuk aka Unwinder, RivaTuner creator

I don't think you understand what I wrote because you just quoted what I wrote about -xcl back to me in long form. You are wrong about ULPS, because what you are saying is that AMD's ULPS, you know AMD made ULPS, is unstable and causes crashes in CFX right? The fact is that's not true. Do you even know what ULPS stands for? It's sole job is to do what you say it cannot do! The only reason we even mention ULPS is because it conflicts with programs using UNOFFICIAL OVERCLOCKING METHODS, causing crashes as soon as said program tries to set clocks in CFX. As for the rest of that, you are talking in circles. Anyways, I'm going to repeat my point. Whichever method you use, stick with it. You are mixing both official and unofficial overclocking methods.
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