Topic: Underclocking Memory Speeds Correctly on 7xxx Series Cards With Afterburner - page 2. (Read 30491 times)
May 15, 2013, 12:55:03 PM
Has anyone found a place to host these? I would love to get my hands on the files.
May 08, 2013, 01:30:19 PM
Can someone re-upload the dll file? its remove from all the mirrors
Give me a pop up free, hardware acceleration free hosting site and I'll upload them.
May 08, 2013, 01:27:49 PM
Hello,
I would realy use the dll file.
Thank you.
I would realy use the dll file.
Thank you.
April 08, 2013, 11:20:44 PM
Can someone re-upload the dll file? its remove from all the mirrors
April 03, 2013, 05:47:21 PM
I changed the .cfg to what it says in the instruction, but when I open afterburner the volt setting is still greyed out.
There's a "enable low level hardware acces interface" option with a drop down box with "kernel" and "user" option, is that what you mean in step 5 ?
There's a "enable low level hardware acces interface" option with a drop down box with "kernel" and "user" option, is that what you mean in step 5 ?
March 28, 2013, 07:01:46 PM
What are the measurable benifits of UCing RAM?
My testing on nvidia cards (fml hurry up and arrive 7950s!) is it made zero different to temps (so potentially heat output so potentially power draw) with steady state conditions and fixed cooling.
Does anyone have any data?
Or does it just allow higher core speeds?
My testing on nvidia cards (fml hurry up and arrive 7950s!) is it made zero different to temps (so potentially heat output so potentially power draw) with steady state conditions and fixed cooling.
Does anyone have any data?
Or does it just allow higher core speeds?
Okey, I took few measurements. One of my box systems: P7P55D, 875K, 2TB HDD, 8GB RAM, AX1200 PSU, 2x7970, 5 fans
1100/1375 ~660Mh/card, system power 590W total
1100/150 ~660Mh/card, system power 524W total
Savings from lowering GPURAM alone, 33W per card. Temps went down nicely too and that allows fans to spin slower so they might last longer.
Next I'm trying to measure other system with 7990 and 7970, we'll see if thats more power efficient.
March 28, 2013, 05:05:21 PM
What are the measurable benifits of UCing RAM?
My testing on nvidia cards (fml hurry up and arrive 7950s!) is it made zero different to temps (so potentially heat output so potentially power draw) with steady state conditions and fixed cooling.
Does anyone have any data?
Or does it just allow higher core speeds?
My testing on nvidia cards (fml hurry up and arrive 7950s!) is it made zero different to temps (so potentially heat output so potentially power draw) with steady state conditions and fixed cooling.
Does anyone have any data?
Or does it just allow higher core speeds?
March 28, 2013, 04:56:57 PM
This is a very nice tutorial indeed. MSI-A really needs some whipping in a form of deleting profiles and couple of restart to get the slider down from 685, but after that it seems to do a good job.
My 7990 and 7970 are now doing 650Mh @ 1090/150 with stock volts. Temps went down around 5C and fan noise more than halved. I have to plug this computer to KillAWatt to see how effecient this became. Feels really good now.
My 7990 and 7970 are now doing 650Mh @ 1090/150 with stock volts. Temps went down around 5C and fan noise more than halved. I have to plug this computer to KillAWatt to see how effecient this became. Feels really good now.
March 21, 2013, 08:41:03 PM
It seems cards on PCIe 1x connection can't go below 625 in memory clock, or it's just me?
I can adjust the memory clock to as low as 150 on a card in regular 16x slot with multiple restart of MSI AB, but not the case for a card in 1x to 16x riser slot.
Hmm never heard of that. The PCIe bandwidth shouldn't affect anything having to do with the underclocking. I can adjust the memory clock to as low as 150 on a card in regular 16x slot with multiple restart of MSI AB, but not the case for a card in 1x to 16x riser slot.
March 21, 2013, 11:52:22 AM
It seems cards on PCIe 1x connection can't go below 625 in memory clock, or it's just me?
I can adjust the memory clock to as low as 150 on a card in regular 16x slot with multiple restart of MSI AB, but not the case for a card in 1x to 16x riser slot.
I can adjust the memory clock to as low as 150 on a card in regular 16x slot with multiple restart of MSI AB, but not the case for a card in 1x to 16x riser slot.
March 20, 2013, 12:26:32 AM
Why do I need Afterburner at all? Can I not just use cgminers "--gpu-memclock" flag to underclock my memory?
You can, but there are limitations. CGMiner uses the official ATI ADL, which has limitations. Specifically, you cannot set the memory speed lower than 150MHz lower than the core speed. For my 7970 @ 1100MHz, this means CGMiner cannot set the memory lower than 950MHz (1100-150=950). A better option for CGMiner is the "--gpu-memdiff -150" option. MSI AB can use unofficial methods to force the clocks lower, all the way down as loooow as you can go. I ran mine at 275, 375, and 410, depending on the day.
March 20, 2013, 12:06:09 AM
Why do I need Afterburner at all? Can I not just use cgminers "--gpu-memclock" flag to underclock my memory?
March 19, 2013, 11:48:30 PM
I should have googled and learned it 
now all my 7950s are working at 1.063/1000/625 happily
and my only XFX 7850 seems has a locked voltage
, so now it's funny to see that it does less work but with the highest temp of 74C
other 7950s are all below 70C
now all my 7950s are working at 1.063/1000/625 happily
and my only XFX 7850 seems has a locked voltage
, so now it's funny to see that it does less work but with the highest temp of 74C other 7950s are all below 70C
March 19, 2013, 10:54:23 PM
the undervolt in AB doesn't work with my cards.
Have you tried this: Go into the AB settings, and tell AB to "Force Constant Voltage"I am going to try it now see if it works.
thanks crazyates
March 19, 2013, 10:34:32 PM
the undervolt in AB doesn't work with my cards.
Have you tried this: Go into the AB settings, and tell AB to "Force Constant Voltage"I saw this option like million of times, but don't have knowledge what it does
I am going to try it now see if it works.
thanks crazyates
report back,
it works now and finally I can uninstall TRIXX and use only MSI AB
March 19, 2013, 05:26:04 PM
the undervolt in AB doesn't work with my cards.
Have you tried this: Go into the AB settings, and tell AB to "Force Constant Voltage" March 19, 2013, 02:22:11 PM
I have a strange problem with MSI AB and TRIXX, actually I have to use both.
everytime I have to open TRIXX first to undervolt all my cards.
and than open AB to adjust clock settings.
the reason I have to do it this way is because I found the
clock setting in TRIXX doesn't work with my cards,
the undervolt in AB doesn't work with my cards.
I can tell because
if I set the clock here in TRIXX, my 7950 hash rate will never pass 500, but
if I set the same clock in AB, my hash rate will be 520
or
if I set undervolt value in MSI only, my card temp will go up to 75-80, but
if I set undervolt value in TRIXX first, my card temp will be 66-68
this problem exist in three different systems I use, (win 7 32bit, 64 bit and win 8 64bit)
my cards are all powercolor 7950 reference.
Does it have anything to do with the BIOS switch on the card? I am setting all cards to 2 now.
everytime I have to open TRIXX first to undervolt all my cards.
and than open AB to adjust clock settings.
the reason I have to do it this way is because I found the
clock setting in TRIXX doesn't work with my cards,
the undervolt in AB doesn't work with my cards.
I can tell because
if I set the clock here in TRIXX, my 7950 hash rate will never pass 500, but
if I set the same clock in AB, my hash rate will be 520
or
if I set undervolt value in MSI only, my card temp will go up to 75-80, but
if I set undervolt value in TRIXX first, my card temp will be 66-68
this problem exist in three different systems I use, (win 7 32bit, 64 bit and win 8 64bit)
my cards are all powercolor 7950 reference.
Does it have anything to do with the BIOS switch on the card? I am setting all cards to 2 now.
March 19, 2013, 02:05:31 PM
I already did this (you already described this earlier in this thread).
After I reopen Afterburner my slider is on the left side, at 685MHz. It's not possible to move it any further to the left.
Wait! No! crazyates, you are a genius! I only deleted all profile-files in the profile folder. But you said everything. After I also deleted the .cfg file in the profiles folder it worked.
Thank you so much!
AB can be a finicky program, but once you whip it into control, it can be pretty damn awesome. Glad it's working for you! After I reopen Afterburner my slider is on the left side, at 685MHz. It's not possible to move it any further to the left.
Wait! No! crazyates, you are a genius! I only deleted all profile-files in the profile folder. But you said everything. After I also deleted the .cfg file in the profiles folder it worked.
Thank you so much!
March 19, 2013, 10:01:20 AM
12.6+ AMD drivers do not let you change the memory speed of 7xxx (7950, 7970, etc) cards below a certain threshold. To underclock memory, use Afterburner and a dll file.
1) Install MSI afterburner.
...
1) Install MSI afterburner.
...
I have done all this, but I can't go lower than 685MHz on my Sapphire 7970 (Afterburner won't let me).
I use:
Windows7 64bit
MSI Afterburner 2.3.1
Catalyst 13.1
What might be the problem?
Clost MSI AB. Go into the program folder, and delete everything in the "Profiles" folder. Reopen MSI AB, and your slider should reset to middle at whatever clock rate you left it off at. It will ask you to reboot, and just choose no.
I already did this (you already described this earlier in this thread).
After I reopen Afterburner my slider is on the left side, at 685MHz. It's not possible to move it any further to the left.
Wait! No! crazyates, you are a genius! I only deleted all profile-files in the profile folder. But you said everything. After I also deleted the .cfg file in the profiles folder it worked.
Thank you so much!
March 19, 2013, 09:28:57 AM
12.6+ AMD drivers do not let you change the memory speed of 7xxx (7950, 7970, etc) cards below a certain threshold. To underclock memory, use Afterburner and a dll file.
1) Install MSI afterburner.
...
1) Install MSI afterburner.
...
I have done all this, but I can't go lower than 685MHz on my Sapphire 7970 (Afterburner won't let me).
I use:
Windows7 64bit
MSI Afterburner 2.3.1
Catalyst 13.1
What might be the problem?
Clost MSI AB. Go into the program folder, and delete everything in the "Profiles" folder. Reopen MSI AB, and your slider should reset to middle at whatever clock rate you left it off at. It will ask you to reboot, and just choose no.
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