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Simple overclock?

I wanna overclock my i7 8700k to 4.7ghz where should i start. I have the h115i pro. I have no idea about overclocking. And those youtube videos are very overwhelming when it comes to bios settings. I have the asus z370a. Any suggestion?

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Well, you'll need to learn how to OC via the BIOS anyway since that's the preferred way. Up the multiplier, stress test, repeat. Once it's unstable, up voltage until you reach 1.4 or temps reach 90c.

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1 minute ago, NelizMastr said:

Well, you'll need to learn how to OC via the BIOS anyway since that's the preferred way. Up the multiplier, stress test, repeat. Once it's unstable, up voltage until you reach 1.4 or temps reach 90c.

Like what video or guide to start with.

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1 hour ago, charbel1011 said:

Like what video or guide to start with.

Go into your BIOS, and into Advanced Mode or press F7.

 

but first reset your BIOS to default by pressing F5, then F10 to save changes, go back into your BIOS and enable XMP FIRST, then change the things only i tell you to change.

if you enable XMP after you change all the things listed below, then it might mess some stuff up.

 

Under AI Tweaker.

BCLK Frequency - 100

ASUS Multicore Enhancement - Disabled

 

CPU Core Ratio - Sync All Cores

1-Core Ratio Limit - 47 (this means 4.7Ghz if the BCLK is 100, 47*100=4700Mhz)

 

CPU SVID Support - Disabled 

 

CPU Core/Cache Current Limit Max - 255.75

 

BCLK Aware Adaptive Voltage - Disabled

CPU Core/Cache Voltage - Manual Mode

- CPU Core Voltage Override - this is your CPU voltage, can't really know what you should put here since every CPU is different, but you can start with 1.25, and then work your way down, or maybe work your way up if it's not stable.

 

(Max Safe Voltage is 1.4 recommended by Intel, but i would try to stay around 1.35, you should be able to achieve 5Ghz with around 1.35V depending on the quality of the CPU, some can achieve 5Ghz with 1.3V or 1.25V and some need 1.4V)

Always check voltages after you overclock with HWinfo or HWmonitor, to make sure everything is setup correctly)

 

 

Under AI Tweaker > DIGI+ VRM

CPU Load-Line Calibration - Level 6

 

VRM Spread Spectrum - Disabled

 

CPU Power Duty Control - Extreme (you don't have to change these, but if it's not stable then try putting it on Extreme)

CPU Power Phase Control - Extreme (you don't have to change these, but if it's not stable then try putting it on Extreme)

 

Under AI Tweaker > Internal CPU Power Management

Intel SpeedStep - Disabled 

Turbo Mode - Enabled

 

Long Duration Pakacge .... - 4095

Short Duration Package.... - 4095

IA AC Load Line - 0.01

IA DC Load Line - 0.01

 

Under Advanced > CPU Configuration

scroll down till you find CPU - Power Management Control

 

Intel SpeedStep - Disabled

Turbo Mode - Enabled 

CPU C-States - Disabled

CFG Lock - Disabled

Intel Speed Shift - Disabled

 

 

 

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50 minutes ago, charbel1011 said:

Like what video or guide to start with.

Just enable multicore enhancement. It will make your cpu boost to 4.7 on all cores when under load so you don't even have to mess with overclocking.  

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3 minutes ago, Brooksie359 said:

Just enable multicore enhancement. It will make your cpu boost to 4.7 on all cores when under load so you don't even have to mess with overclocking.  

Yeah and it will boost your voltage to 1.4. Which is gonna destroy ur cpu and up ur temps?p

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15 minutes ago, syn2112 said:

Go into your BIOS, and into Advanced Mode or press F7.

 

but first reset your BIOS to default by pressing F5, then F10 to save changes, go back into your BIOS and enable XMP FIRST, then change the things only i tell you to change.

if you enable XMP after you change all the things listed below, then it might mess some stuff up.

 

Under AI Tweaker.

AI Overclock Tuner - Manual

BCLK Frequency - 100

ASUS Multicore Enhancement - Disabled

 

CPU Core Ratio - Sync All Cores

1-Core Ratio Limit - 47 (this means 4.7Ghz if the BCLK is 100, 47*100=4700Mhz)

 

CPU SVID Support - Disabled 

 

CPU Core/Cache Current Limit Max - 255.75

 

BCLK Aware Adaptive Voltage - Disabled

CPU Core/Cache Voltage - Manual Mode

- CPU Core Voltage Override - this is your CPU voltage, can't really know what you should put here since every CPU is different, but you can start with 1.25, and then work your way down, or maybe work your way up if it's not stable.

 

(Max Safe Voltage is 1.4 recommended by Intel, but i would try to stay around 1.35, you should be able to achieve 5Ghz with around 1.35V depending on the quality of the CPU, some can achieve 5Ghz with 1.3V or 1.25V and some need 1.4V)

Always check voltages after you overclock with HWinfo or HWmonitor, to make sure everything is setup correctly)

 

 

Under AI Tweaker > DIGI+ VRM

CPU Load-Line Calibration - Level 6

 

VRM Spread Spectrum - Disabled

 

CPU Power Duty Control - Extreme (you don't have to change these, but if it's not stable then try putting it on Extreme)

CPU Power Phase Control - Extreme (you don't have to change these, but if it's not stable then try putting it on Extreme)

 

Under AI Tweaker > Internal CPU Power Management

Intel SpeedStep - Disabled 

Turbo Mode - Enabled

 

Long Duration Pakacge .... - 4095

Short Duration Package.... - 4095

IA AC Load Line - 0.01

IA DC Load Line - 0.01

 

Under Advanced > CPU Configuration

scroll down till you find CPU - Power Management Control

 

Intel SpeedStep - Disabled

Turbo Mode - Enabled 

CPU C-States - Disabled

CFG Lock - Disabled

Intel Speed Shift - Disabled

 

 

 

I cannot disable the svid behavior bro. It says auto, typical scenario, etc.

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Just now, charbel1011 said:

Yeah and it will boost your voltage to 1.4. Which is gonna destroy ur cpu and up ur temps?p

Not really. Mine doesn't go to 1.4 almost ever and even then it isn't going to ruin a cpu if you have the proper cooling. 

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Just now, charbel1011 said:

I cannot disable the svid behavior bro. It says auto, typical scenario, etc.

i didn't say SVID Behavior, i said SVID Support, and everything is listed in order because i have the same motherboard, and the spaces between them means you should skip and scroll down.

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7 minutes ago, charbel1011 said:

Yeah and it will boost your voltage to 1.4. Which is gonna destroy ur cpu and up ur temps?p

Yep, the CPU will melt instantly.  Good call :)

 

Here is a good read with explanations:

 

https://overclocking.guide/gigabyte-z370-overclocking-coffee-lake/

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2 minutes ago, syn2112 said:

i didn't say SVID Behavior, i said SVID Support, and everything is listed in order because i have the same motherboard, and the spaces between them means you should skip and scroll down.

U said i need to enable xmp. After i press f5 to reset the bios to default.  But then u say i need to put the ai overclock tuner to manual? Huh? How im gonna enable xmp and the  set the ai overclock tuner to manual? Doesnt that disable xmp?

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1 minute ago, charbel1011 said:

U said i need to enable xmp. After i press f5 to reset the bios to default.  But then u say i need to put the ai overclock tuner to manual? Huh? How im gonna enable xmp and the  set the ai overclock tuner to manual? Doesnt that disable xmp?

it doesn't disable XMP, your frequency and timing would still be setup, but that's why i said you should enable XMP before, because if you enable it after, it will change some settings like the AI Overclock.

 

if you scroll down you should see your memory is set to 3000mhz or whatever it is, my memory could be wrong though

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3 minutes ago, charbel1011 said:

U said i need to enable xmp. After i press f5 to reset the bios to default.  But then u say i need to put the ai overclock tuner to manual? Huh? How im gonna enable xmp and the  set the ai overclock tuner to manual? Doesnt that disable xmp?

Under AI Tweaker 

DRAM Frequency

 

and Under AI Tweaker > DRAM Timing Control

 

everything should be set up instead of Auto

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4 minutes ago, syn2112 said:

Under AI Tweaker 

DRAM Frequency

 

and Under AI Tweaker > DRAM Timing Control

 

everything should be set up instead of Auto

Okay all set. I did all the things u told me. Restatted my pc and boom bsod. Memory management.

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1 minute ago, charbel1011 said:

Okay all set. I did all the things u told me. Restatted my pc and boom bsod. Memory management.

disable XMP and try again? 

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Just now, syn2112 said:

disable XMP and try again? 

Disable xmp? Why? 

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4 minutes ago, charbel1011 said:

Disable xmp? Why? 

to test, but anyway i just double checked and it does disable XMP if you put it on Manual, i'll edit my post

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9 minutes ago, charbel1011 said:

Disable xmp? Why? 

same procedure but don't change AI Tuner to Manual

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4 minutes ago, syn2112 said:

to test, but anyway i just double checked and it does disable XMP if you put it on Manual, i'll edit my post

U didn't mention anything about the avx i struction core ration negative offset? Like should i keep it auto or 0?

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Just now, charbel1011 said:

U didn't mention anything about the avx i struction core ration negative offset? Like should i keep it auto or 0?

Should stay at auto, AVX is not that stressful for a 4.7Ghz overclock, but if you were pushing to 5Ghz then you might test with AVX offset.

 

it basically down clocks your CPU when an AVX program is loading up the CPU, so at 5Ghz all core, an AVX offset of 3 will drop it down to 4.7Ghz under AVX load.

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3 minutes ago, syn2112 said:

Should stay at auto, AVX is not that stressful for a 4.7Ghz overclock, but if you were pushing to 5Ghz then you might test with AVX offset.

 

it basically down clocks your CPU when an AVX program is loading up the CPU, so at 5Ghz all core, an AVX offset of 3 will drop it down to 4.7Ghz under AVX load.

I can't put it at 0?

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Just now, charbel1011 said:

I can't put it at 0?

you can

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12 minutes ago, syn2112 said:

you can

Okay done all the steps. No bsod now. What should i download to test stability? And voltage and etc? 

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14 minutes ago, syn2112 said:

you can

Check the last picture i posted

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