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4670k OCing

post #1 of 3
Thread Starter 
Hi,

I have a batch 330 chip i5-4670k from Costa Rica. My entire setup is in my siggy as 'Celapaleis'. I just assembled the computer, first time doing it and first time applying thermal paste. I ran Prime 95 at 4.0ghz for 40 minutes and got 71 degrees max. 71/71/67/67 were my peak temps for each core respectively. Temperatures brought to you by Coretemp (got their newest version). It seems my motherboard automatically bumped up my CPU to 4 ghz! Crazy. Here are my settings:

CPU Frequency = 40 x 100 mhz
Dram = 1866 Mhz
Ring = 3800MHZ

VCCIN volt = 1.272
CPU Core V = 1.1
"Current" CPU core V = 1.112


Does this mean I just got 4.0 ghz on 1.112 v with 71C peak at Prime95? Is this good or bad for a first timer?
I wish to push my CPU further. Do I try 41 x 100, then 42 x 100? If anybody has my motherboard, there is a switch on the back of my mobo which instantly resets CMOS (that means reset overclock right)?

What's this about uncore anyways, I don't even see an option for that on my mobo.

Thank you and I hope my computer doesn't blow up! thumb.gif
Edited by Darkwizzie - 6/28/13 at 12:06am
   
Celapaleis (2013)
(16 items)
 
RAMHard DriveHard DriveKeyboard
x2 8gb GSkill Trident Z 3600 @ 3733 15-14-14-31-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
AudioOther
Logitech c920 Webcam NZXT Sentry Mix 2 Fan Controller 
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Celapaleis (2013)
(16 items)
 
RAMHard DriveHard DriveKeyboard
x2 8gb GSkill Trident Z 3600 @ 3733 15-14-14-31-2T Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Kmac 2 (Brown Switch, Gon PCB, Red LED, Clear Top) 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/8208 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
AudioOther
Logitech c920 Webcam NZXT Sentry Mix 2 Fan Controller 
  hide details  
Reply
post #2 of 3
If you havent set voltage override, the voltage will vary depending on load. Always set override for stressing, as adaptive draws more volts during stresstesting than set in BIOS, and apparently nothing can be done about it.
post #3 of 3
I would try something like 4.4 at 1.25V and see if that works. If it does, then you can try increasing the multiplier one notch at a time, but if you start doing tht from 40 you'll spend all week getting to something decent. If 44 @1.25V doesn't work then you can either drop the multiplier (or better) increase the Vcore slowly until you get it stable. As long as you keep the temps in the 80s you can keep increasing the voltage, but you probably won't be able to go much over 1.3V without delidding.

Uncore may be called something like Cache Ratio on your board. If you want to increase that above default, you'll probably need to add Vring voltage. Try 1.15 or even 1.2V. But I'd leave it at default until you get the CPU multiplier overclocking set, then try increasing the cache speed - otherwise you will end up chasing cache instability.

And you need a higher CPU Input Voltage, if that's what VCCIN is on your motherboard. Should be 1.7V or so, and you may need to raise that towards 1.9 or 2.0V as you increase the Vcore. For Haswell the three voltages that matter the most are Vcore, Vring, and VRIN (CPU Input Voltage).
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