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7700k multiplier locked At x44

post #1 of 10
Thread Starter 
I'm using msi gaming m7 z170 motherboard and just replaced my 6700k with
A 7700k. When I set he multiplier to anything it automatically shows up has x44
The voltage changes to whatever I choose just not the multiplier. I above tried the
msi gaming boost mother board switch, doing it with software for desktop, and directly
Through bios, with same results. I updated my motherboard to the latest bios.
post #2 of 10
Can you post up some screenshots of your bios screens and also shots from within Windows of CPU-Z and HwInfo, so we can see your settings and readings.
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post #3 of 10
Thread Starter 
SOLVED:
set the BCLK to119.25 and the multiplier to x42. The voltage to 1.35v
Now I'm at a lil over 5ghz.
post #4 of 10
I would still post up CPUz and HW Monitor for us. Also system specs (at least board model). I was unaware that Z170 was able to OC 7th gen...?
post #5 of 10
Quote:
Originally Posted by aceinthesky View Post

SOLVED:
set the BCLK to119.25 and the multiplier to x42. The voltage to 1.35v
Now I'm at a lil over 5ghz.

It's good that you reached 5ghz, but I don't understand how you see the above as solved?

You should be able to run your BCLK at 100 and set your multiplier to 50. According to your original description, that you cannot select any other multiplier apart from 44, there is something not right there.

Plus by increasing your BCLK so high, you are also overclocking your memory frequency at the same time, and that can cause you stability problems if your current memory timings are not set correctly for the increase in speed, caused by increasing the BCLK.
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post #6 of 10
Quote:
Originally Posted by mike44njdevils View Post

I would still post up CPUz and HW Monitor for us. Also system specs (at least board model). I was unaware that Z170 was able to OC 7th gen...?

Yes both Z170 and Z270 can overclock Skylake and Kabylake.

With Z170, you must ensure you are running the latest bios for you board, that supports Kablylake cpus.
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post #7 of 10
Quote:
Originally Posted by tknight View Post

Plus by increasing your BCLK so high, you are also overclocking your memory frequency at the same time, and that can cause you stability problems if your current memory timings are not set correctly for the increase in speed, caused by increasing the BCLK.

Agreed. Though you can throttle back your ram (to run 1600 @ 122 blclk, set ram speed to run @ 1311 (again, I don't know his board, so hard to comment), that's not the "advertised" way of the K series. Now you're also running your PCIe busses much higher than designed.
post #8 of 10
Quote:
Originally Posted by mike44njdevils View Post

Agreed. Though you can throttle back your ram (to run 1600 @ 122 blclk, set ram speed to run @ 1311 (again, I don't know his board, so hard to comment), that's not the "advertised" way of the K series. Now you're also running your PCIe busses much higher than designed.

Yes you can do it the way you have suggested, but there should be no need to run his BCLK at 119 to overclock his 7700K. There is obviously something wrong there, but without screenshots it makes it hard to see what is going on. The multiplier has to be able to be changed from 44 when the BCLK is at it's default of 100.
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post #9 of 10
Thread Starter 
Turns out I just needed to reflash the bios with m-flash and now overclocks like a dream. Turned the multiplier to 51 and the voltage to
1.35v and it runs perfect 65c under full load. These chips are awesome. It seems like I can go higher but I'm fine with 5.1ghzfor now.
Glad I got rid of the 6700k, was only getting 4.59ghz with high voltage. I guess the overclocking hype is real.
post #10 of 10
@aceinthesky .... HOW THE HECK did you get 5.1 at 1.3V and you have 61C at 100% LOAD ?!?!?! this is not normal temp for 7700k at 5.1 c .... with delid and metal TIM you get at best 75 80 C at 4.9 5G at max load .... can you pls explain how you got this results ?!?!?
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