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help with overclocking i7 4770k WHAT AM I MISSING?

post #1 of 4
Thread Starter 
first my hardware

1) i7 4770k water cooled sub ambient

2) asus z87-k

3)ballistix sport 2x4g 1600

going past 4.2 has been something of a challenge. at 4.2 with a vcore of 1.2 its stable as a rock but if you go higher it wont be stable. will pass 10-20 minutes of prime testing but will either reboot or bsod.

bsod readings say its the cache. so i have lowered it to various levels to no avail. sometimes it will take away the bsod but instead will just reboot while stressing. i have followed every thread, guide, forum, and nothing seems to do it. idk if i have burnt the chip or this one is a crappy chip. its stable at stock speeds and the 4.2 oc is hardly much of a difference. only other thing i can think of is that occupying all my dimm slots may help. only other thing i havent tried.

multiplier-45
cache-40
vcore- 1.3


i have played with cache volt, vccin , system agent and non seem to help much.
post #2 of 4
You might require 1.35V on 4.5 GHz have you tried that, could even be more..

Also try setting the Load Line Calibration to 'Medium', CPU Power Phase Control to ‘Optimised’ , CPU Power Duty Control to (Try a lower setting first) ‘Extreme’.

I doubt you burnt the chip, it's just most likely a crappy chip.
Edited by benjamen50 - 3/18/14 at 6:14am
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Intel Core 2 Quad Q6600 Asustek P5Q-PRO Nvidia 9800 GTX+ Kingston DDR2 8gb 
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Western Digital 1 TB Pioneer Noctua NH-U9B Windows 7 Ultimate 64-bit 
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post #3 of 4
Read the guide on OCN

Haswell overclocking thread (with statistics)

step 1 to overclocking architecture you're not 110% sure of - read the best guide on OCN in full at least twice!! thumb.gif
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Old Seagate HDD Samsung 850 EVO Thermalright Silver Arrow SB-E SE Windows 7 Home Premium 64 bit 
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Asus PG258Q (240hz + Gsync) WASDKeyboards.com v1 semi custom w/ mx browns, ... Superflower Golden Green HX550 Air540 
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post #4 of 4
Thread Starter 
ok so i found out the issue which some would say was obvious.

while the asus z87-k is a great board its unstable for overclocking. swapped in a ud4h and bam i now can hit 4.5 with just auto tuning. and its stable as hell. i also picked up a few fps and the overall performance is faster.
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