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AMD Bulldozer and Piledriver Overclocking Guide - Asus Motherboard - Page 406

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post #4051 of 4065
Then back off your OC until you improve your cooling solution. That case has terrible air flow and that D15 is roasting in an oven. Click on the pics in my sig to see what my solution is.
post #4052 of 4065
Quote:
Originally Posted by miklkit View Post

Then back off your OC until you improve your cooling solution. That case has terrible air flow and that D15 is roasting in an oven. Click on the pics in my sig to see what my solution is.
My airflow is exactly like that except the second fan is on the right not the left. (I can't put it at the left because there is a exhaust fan there)
post #4053 of 4065
How many case intake fans does it have? That solid front really limits how much air can get into the case so the D15 is being starved for cool air. It has 90 cfm fans on it and that case exhaust fan probably only flows 35 cfm, so the hot air is just being recirculated around inside the case causing the D15 to overheat.

Think of it as a wind tunnel with some electronics inside in order to get an idea of the air flow required to cool a 1.5+ vcore FX. Note I have 4 strong intake fans and just a big gaping hole in the back of the case so the air can get in and out of the case efficiently.
post #4054 of 4065
Quote:
Originally Posted by miklkit View Post

How many case intake fans does it have? That solid front really limits how much air can get into the case so the D15 is being starved for cool air. It has 90 cfm fans on it and that case exhaust fan probably only flows 35 cfm, so the hot air is just being recirculated around inside the case causing the D15 to overheat.

Think of it as a wind tunnel with some electronics inside in order to get an idea of the air flow required to cool a 1.5+ vcore FX. Note I have 4 strong intake fans and just a big gaping hole in the back of the case so the air can get in and out of the case efficiently.
It has 3 120mm intake and 1 140mm exhaust. Do you think if I bought a better exhaust fan, my temps would go down dramatically? (10-20C)
post #4055 of 4065
Quote:
Originally Posted by umeng2002 View Post

Quote:
Originally Posted by Yudhayvavhay View Post

Actually, I instantly lose stability even with my stable OC's if I back down with CPU LLC

Then up your voltage setting (number or offset) and turn down the LLC.

In theory, adding LLC should make it more stable, but with my Asus Sabertooth, lowering the CPU voltage and increasing the LLC (to try and get the same Vdroop under heavy load) causes me to lose stability.

It might have something to do with how Asus does LLC.
Could also be down volting (cnq)
Quote:
Originally Posted by Yudhayvavhay View Post

Quote:
Originally Posted by umeng2002 View Post

Then up your voltage setting (number or offset) and turn down the LLC.

In theory, adding LLC should make it more stable, but with my Asus Sabertooth, lowering the CPU voltage and increasing the LLC (to try and get the same Vdroop under heavy load) causes me to lose stability.

It might have something to do with how Asus does LLC.
1.51V is well over the thermal limit with Prime, I can't up the voltage, but I should be able to do 4.9 with 1.51V...

Says who? Not saying they are correct or wrong
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USS CLM8-1701
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CPUMotherboardGraphicsGraphics
AMD FX-8350 Gigabyte 990FXA-UD7 R7970-2PMD3GD5/OC  R7970-2PMD3GD5/OC  
GraphicsGraphicsRAMHard Drive
R7970-2PMD3GD5/OC  R7970-2PMD3GD5/OC  F3-2400C10D-16GTX  OCZ Agility 3 120GB  
Hard DriveHard DriveHard DriveOptical Drive
OCZ Agility 3 120GB  Seagate Barracuda 1TB  Segate Barracuda 3TB Rosewill RCR-IM5001 USB2.0 75 in 1 internal Car... 
Optical DriveCoolingCoolingCooling
Pioneer BDR-208DBK Blu-ray Writer Swiftech H20-220 EDGE HD Liquid Cooling Kit Swiftech Komodo 7970 Swiftech MCP-35X2 
CoolingCoolingCoolingCooling
Swiftech MCP35X2 Heat Sink Swiftech MCP35X Reservoir Swiftech Komodo 7970 Swiftech Komodo 7970 
CoolingCoolingCoolingCooling
Alphacool 240mm XT45 Alphacool 120mm XT45 Alphacool 120mm UT60 FrozenQ PC Mods UV Meteor Light Limited Edition... 
CoolingCoolingOSOS
Koolance Radiator Mounting Bracket with Quick-R... Swiftech Komodo 7970 Windows 7 Windows 8  
MonitorMonitorMonitorMonitor
ASUS VG248QE Black 24" 144Hz 1ms  ASUS VG248QE Black 24" 144Hz 1ms  ASUS VG248QE Black 24" 144Hz 1ms  XFX FXTRISTAND Triple Display Monitor Stand  
KeyboardPowerCaseMouse
Logitech G510 XFX pro 1250w black edition Caselabs MAGNUM M8 Case Razer Naga 
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Sony 2.1 Razer Megalodon XFX pro 1250w black edition 
CPUMotherboardGraphicsGraphics
8350 batch 1229 pgn  Asus Crosshair V Formula-Z gigabyte 7770 OC gigabyte 7770 OC 
RAMHard DriveHard DriveHard Drive
F3-2400C10D-16GTX OCZ agaility 3 120  OCZ Agility 3 120gb  Seagate 7200rpm 1tb 
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Pioneer BDR-208DBK Rosewill RCR-IM5001 USB2.0 75 in 1 internal Car... Swiftech MCP-35X White Top Swiftech Quiet Power 240  
CoolingOSOSMonitor
Swiftech Apogee HD Windows 7 Windows 8 LG E2242 
MonitorKeyboardPowerCase
LG E2242 RAZER Black Lycosa Mirror Special Edition Seasonic x660 Cooler Master Storm Stryker 
Mouse
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CPUMotherboardGraphicsRAM
FX 6100 Sabertooth 990fx R2.0 XFX 7770 Core Edition Samsung 1600 2x4 
RAMHard DriveOptical DriveCooling
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post #4056 of 4065
I went that route on my way to 5 ghz. I bought a Silverstone FM121 fan rated at 110 cfm and used it as the case exhaust. It worked! Air flow through the case was greatly improved and temperatures dropped, but it was very noisy.

After I cut out the back of the case the noise level dropped and air flow increased even more, but it was still too loud. So I went with better intake fans and no exhaust fan and that is giving me the best temperature to noise ratio.

You didn't say what your actual temperatures are, but here is where I ended up at with the Silver Arrow Extreme cooler.

This was after a lot of tweaking as it ran at voltages as high as 1.6v getting there.
post #4057 of 4065
Quote:
Originally Posted by miklkit View Post

I went that route on my way to 5 ghz. I bought a Silverstone FM121 fan rated at 110 cfm and used it as the case exhaust. It worked! Air flow through the case was greatly improved and temperatures dropped, but it was very noisy.

After I cut out the back of the case the noise level dropped and air flow increased even more, but it was still too loud. So I went with better intake fans and no exhaust fan and that is giving me the best temperature to noise ratio.

You didn't say what your actual temperatures are, but here is where I ended up at with the Silver Arrow Extreme cooler.

This was after a lot of tweaking as it ran at voltages as high as 1.6v getting there.
With 1.51V, I get (sometimes, these are spikes) 72C and generally 66-68. I am running 4.7Ghz@1.46V stable right now and getting 64C after 2 hours of very high load
post #4058 of 4065
I got 4.8GHz stable with 1.5V at Ultra High LLC but 4.9 does not get stable, at all. I even tried 1.55V
post #4059 of 4065
The cooler it runs the easier it is to stabilize. It's a shame it won't stabilize with less LLC as more LLC adds more heat. The D15 is a good cooler and should perform almost as well as the Silver Arrow extreme with the main difference being the more powerful fans on the SA-E.

Your 8350 looks a lot like mine. I managed to get it to 4.8 ghz at 1.524 v after it vdrooped from 1.548 v. It generally peaked around 60C but had occasional spikes as high as 68C. While gaming it rarely went over 50C.

Have you tried setting your ram voltage to 1.6+ volts? It helped me. I'm using the Sabertooth so don't know what settings might help you.
post #4060 of 4065
Why do people think llc is the only way to overclock.

Why do people think only one llc is the way to overclock?
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CPUMotherboardGraphicsGraphics
8350 batch 1229 pgn  Asus Crosshair V Formula-Z gigabyte 7770 OC gigabyte 7770 OC 
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Mouse
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CPUMotherboardGraphicsRAM
FX 6100 Sabertooth 990fx R2.0 XFX 7770 Core Edition Samsung 1600 2x4 
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Samsung 1600 2x4 Unknown as of now  Piorneer BDR-208DBK Swiftech H220  
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USS CLM8-1701
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Her Venom
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CPUMotherboardGraphicsGraphics
AMD FX-8350 Gigabyte 990FXA-UD7 R7970-2PMD3GD5/OC  R7970-2PMD3GD5/OC  
GraphicsGraphicsRAMHard Drive
R7970-2PMD3GD5/OC  R7970-2PMD3GD5/OC  F3-2400C10D-16GTX  OCZ Agility 3 120GB  
Hard DriveHard DriveHard DriveOptical Drive
OCZ Agility 3 120GB  Seagate Barracuda 1TB  Segate Barracuda 3TB Rosewill RCR-IM5001 USB2.0 75 in 1 internal Car... 
Optical DriveCoolingCoolingCooling
Pioneer BDR-208DBK Blu-ray Writer Swiftech H20-220 EDGE HD Liquid Cooling Kit Swiftech Komodo 7970 Swiftech MCP-35X2 
CoolingCoolingCoolingCooling
Swiftech MCP35X2 Heat Sink Swiftech MCP35X Reservoir Swiftech Komodo 7970 Swiftech Komodo 7970 
CoolingCoolingCoolingCooling
Alphacool 240mm XT45 Alphacool 120mm XT45 Alphacool 120mm UT60 FrozenQ PC Mods UV Meteor Light Limited Edition... 
CoolingCoolingOSOS
Koolance Radiator Mounting Bracket with Quick-R... Swiftech Komodo 7970 Windows 7 Windows 8  
MonitorMonitorMonitorMonitor
ASUS VG248QE Black 24" 144Hz 1ms  ASUS VG248QE Black 24" 144Hz 1ms  ASUS VG248QE Black 24" 144Hz 1ms  XFX FXTRISTAND Triple Display Monitor Stand  
KeyboardPowerCaseMouse
Logitech G510 XFX pro 1250w black edition Caselabs MAGNUM M8 Case Razer Naga 
AudioAudioOther
Sony 2.1 Razer Megalodon XFX pro 1250w black edition 
CPUMotherboardGraphicsGraphics
8350 batch 1229 pgn  Asus Crosshair V Formula-Z gigabyte 7770 OC gigabyte 7770 OC 
RAMHard DriveHard DriveHard Drive
F3-2400C10D-16GTX OCZ agaility 3 120  OCZ Agility 3 120gb  Seagate 7200rpm 1tb 
Optical DriveOptical DriveCoolingCooling
Pioneer BDR-208DBK Rosewill RCR-IM5001 USB2.0 75 in 1 internal Car... Swiftech MCP-35X White Top Swiftech Quiet Power 240  
CoolingOSOSMonitor
Swiftech Apogee HD Windows 7 Windows 8 LG E2242 
MonitorKeyboardPowerCase
LG E2242 RAZER Black Lycosa Mirror Special Edition Seasonic x660 Cooler Master Storm Stryker 
Mouse
Razer Lachesis 
CPUMotherboardGraphicsRAM
FX 6100 Sabertooth 990fx R2.0 XFX 7770 Core Edition Samsung 1600 2x4 
RAMHard DriveOptical DriveCooling
Samsung 1600 2x4 Unknown as of now  Piorneer BDR-208DBK Swiftech H220  
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Windows 8  Samsung 60" 120hz 3d LED TV Unknown Seasonic x750 
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