Hi
First things first - I have the following configuration:
- MBO: Asus Sabertooth 990FX R2.0
- CPU: AMD FX 8320 + Cooler Master 212 Evo cooler (with Phanteks PH-F140HP PWM fan on it)
- RAM: 2 x 4 GB Mushkin Ridgeback (997046) @ 1600MHz
- GPU: Asus GTX 970 OC Strix
- PSU: OCT Fatal1ty 750W
- Storage: Samsung 840 Evo 120GB + WD Purple (WD10PURX-64D85Y0)
_ Case: Cooler Master N500 (3 front intake 120mm fans, 1 exhaust 120mm at the back).
I decided to overclock a little bit and downvolt it also. The following settings are in BIOS:
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AI Tweaker:
- Ai Overclock Tuner: Manual
- CPU Ratio: 20.0
- AMD Turbo CORE technology: Disabled
- CPU Bus Freq.: 200
- PCIE freq.: Auto
- Memory freq.: DDR3-1600MHz
- CPU/NB freq.: 2200MHz
- HT Link Speed: 2600MHz
- CPU Spread Spectrum: Disabled
- PCI Spread Spectrum: Disabled
- EPU Power Saving Mode: Disabled
- CPU & NB Voltage: Manual Mode
- CPU Manual Voltage: 1.212500
- CPU/NB Manual Voltage: Auto (1.175V)
- CPU VDDA Voltage: Auto (2.510V)
- DRAM Voltage: 1.50000
- NB Voltage: Auto (1.103V)
- NB HT Voltage: Auto (1.107V)
- NB 1.8V Voltage: Auto (1.800V)
- SB Voltage: Auto (1.100V)
- VDD PCIE: Auto (1.100V)
- VDDR: AUto (1.200V)
DIGI+ Power Control:
- CPU Load Line Calibration: High
- CPU/NB Load Line Calibration: High
- CPU Current Capability: 130%
- CPU/NB Current Capability: 130%
- CPU Power Phase Control: Standard
- CPU Voltage Freq.: Auto
- VRM Spread Spectrum: Disabled
- CPU Power Duty Control: T.Probe
- CPU Power Response Control: Auto
- CPU/NB Power Response Control: Auto
- CPU Power Thermal Control: 130
- DRAM Current Capability: 100%
- DRAM Voltage Freq.: 300
- DRAM Power Phase Control: Optimized
CPU configuration:
- Cool'n'Quiet: Always Disabled
- C1E: Disabled
- SVM: Disabled
- Core C6 State: Disabled
- HPC mode: Enabled
- Apm Master Mode: Disabled
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So, as You can see, I overclocked it to 4 GHz (just because I wanted it "rounded" instead of 3.5 GHz) using multiplier of 20.
I tried with voltages of 1.1875, 1.19375, 1.2, 1.20625 with no success: worker 8 was throwing errors.
Then, I set the voltage to 1.2125 volts and tested it:
- 10 hours of "Small FFT" with Prime95
- 10 hours of "Blend" with Prime95
- 2 hours with Aida64 stability test (with everything checked except LOCAL DISKS).
It passed everything without any errors or bluescreens.
The readings from AIDA and HWmonitor were the following:
*Note1: LOAD temperatures are the highest that I recorded in all tests together.
*Note2: Ambient temperature at 20°C.
**************************************************
**************************************************
Now, I have a few questions:
1) At one point (when the test was on, so, at full CPU LOAD - Prime95), HWMonitor registered a max volts on a CPU as high as 2.508. Is that even possible if that is set to 1.2125 volts in BIOS? Or is it just a reading error?
2) Are those LOAD temperatures "normal" or even "safe"? The ones I'm refering to are:
- CPU (socket)
- CPU (core)
- Motherboard VRM's - is this supposed to fly so high (even higher than the CPU itself?)?
- GPU diode & GPU VRM
3) AFAIK, the CPU1, CPU2, ..., CPU8 are those CORE temperatures that are safe until 60°C, and the CPU is the socket that is safe until 70°C. Is that true?
4) This question is about IDLE temperatures: is it normal that this CPU idles at 35°C (socket)? Shouldn't it be lower considering the following:
- I lowered voltage to 1.2125
- Cooler Master 212 Evo
5) This is about "what after overclocking". Since this is my first time I actually overclock (had to gather as many info as possible before I had the guts to do it
), I'm have no idea what should I do now that I reached a stable overclock & undervolt.
What I mean is: when all the settings in BIOS were at their default values, the CPU voltage (in Windows) would range from 0.728 to higher (1.272, etc.) - depending on the CPU usage of course. Now, when OC, the voltage is, let's say, fixed to set value.
What should I do to make it "drop" when the CPU usage is very low (idle)?
Also, do some of the settings (Cool'n'Quiet, C1E, SVM, C6 state, HPC - disable?, APM master mode) need to be re-enabled to make the CPU run cooler at IDLE?
First things first - I have the following configuration:
- MBO: Asus Sabertooth 990FX R2.0
- CPU: AMD FX 8320 + Cooler Master 212 Evo cooler (with Phanteks PH-F140HP PWM fan on it)
- RAM: 2 x 4 GB Mushkin Ridgeback (997046) @ 1600MHz
- GPU: Asus GTX 970 OC Strix
- PSU: OCT Fatal1ty 750W
- Storage: Samsung 840 Evo 120GB + WD Purple (WD10PURX-64D85Y0)
_ Case: Cooler Master N500 (3 front intake 120mm fans, 1 exhaust 120mm at the back).
I decided to overclock a little bit and downvolt it also. The following settings are in BIOS:
**************************************************
**************************************************
AI Tweaker:
- Ai Overclock Tuner: Manual
- CPU Ratio: 20.0
- AMD Turbo CORE technology: Disabled
- CPU Bus Freq.: 200
- PCIE freq.: Auto
- Memory freq.: DDR3-1600MHz
- CPU/NB freq.: 2200MHz
- HT Link Speed: 2600MHz
- CPU Spread Spectrum: Disabled
- PCI Spread Spectrum: Disabled
- EPU Power Saving Mode: Disabled
- CPU & NB Voltage: Manual Mode
- CPU Manual Voltage: 1.212500
- CPU/NB Manual Voltage: Auto (1.175V)
- CPU VDDA Voltage: Auto (2.510V)
- DRAM Voltage: 1.50000
- NB Voltage: Auto (1.103V)
- NB HT Voltage: Auto (1.107V)
- NB 1.8V Voltage: Auto (1.800V)
- SB Voltage: Auto (1.100V)
- VDD PCIE: Auto (1.100V)
- VDDR: AUto (1.200V)
DIGI+ Power Control:
- CPU Load Line Calibration: High
- CPU/NB Load Line Calibration: High
- CPU Current Capability: 130%
- CPU/NB Current Capability: 130%
- CPU Power Phase Control: Standard
- CPU Voltage Freq.: Auto
- VRM Spread Spectrum: Disabled
- CPU Power Duty Control: T.Probe
- CPU Power Response Control: Auto
- CPU/NB Power Response Control: Auto
- CPU Power Thermal Control: 130
- DRAM Current Capability: 100%
- DRAM Voltage Freq.: 300
- DRAM Power Phase Control: Optimized
CPU configuration:
- Cool'n'Quiet: Always Disabled
- C1E: Disabled
- SVM: Disabled
- Core C6 State: Disabled
- HPC mode: Enabled
- Apm Master Mode: Disabled
**************************************************
**************************************************
So, as You can see, I overclocked it to 4 GHz (just because I wanted it "rounded" instead of 3.5 GHz) using multiplier of 20.
I tried with voltages of 1.1875, 1.19375, 1.2, 1.20625 with no success: worker 8 was throwing errors.
Then, I set the voltage to 1.2125 volts and tested it:
- 10 hours of "Small FFT" with Prime95
- 10 hours of "Blend" with Prime95
- 2 hours with Aida64 stability test (with everything checked except LOCAL DISKS).
It passed everything without any errors or bluescreens.
The readings from AIDA and HWmonitor were the following:
*Note1: LOAD temperatures are the highest that I recorded in all tests together.
*Note2: Ambient temperature at 20°C.
**************************************************
**************************************************
Now, I have a few questions:
1) At one point (when the test was on, so, at full CPU LOAD - Prime95), HWMonitor registered a max volts on a CPU as high as 2.508. Is that even possible if that is set to 1.2125 volts in BIOS? Or is it just a reading error?
2) Are those LOAD temperatures "normal" or even "safe"? The ones I'm refering to are:
- CPU (socket)
- CPU (core)
- Motherboard VRM's - is this supposed to fly so high (even higher than the CPU itself?)?
- GPU diode & GPU VRM
3) AFAIK, the CPU1, CPU2, ..., CPU8 are those CORE temperatures that are safe until 60°C, and the CPU is the socket that is safe until 70°C. Is that true?
4) This question is about IDLE temperatures: is it normal that this CPU idles at 35°C (socket)? Shouldn't it be lower considering the following:
- I lowered voltage to 1.2125
- Cooler Master 212 Evo
5) This is about "what after overclocking". Since this is my first time I actually overclock (had to gather as many info as possible before I had the guts to do it
), I'm have no idea what should I do now that I reached a stable overclock & undervolt. What I mean is: when all the settings in BIOS were at their default values, the CPU voltage (in Windows) would range from 0.728 to higher (1.272, etc.) - depending on the CPU usage of course. Now, when OC, the voltage is, let's say, fixed to set value.
What should I do to make it "drop" when the CPU usage is very low (idle)?
Also, do some of the settings (Cool'n'Quiet, C1E, SVM, C6 state, HPC - disable?, APM master mode) need to be re-enabled to make the CPU run cooler at IDLE?
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