Tf2 crashes frequently

[572]

Hello guys

So, I'm using i7-4790k, for some reason I'm able to get better performance by increasing BCLK.
and I overclocked by increasing my BCLK to 114.3 and lowered the CPU multiplier to 35. (4.0 GHz)
The memory frequency is still default x16 but I have an increased mem voltage (1.66v)

Everything seems fine and I ran the Prime_95 stress test for the communication between the CPU and the RAM for 5mins and there was no error displayed.

But I found it easy for the game to crash when playing tf2, also there're lag while I'm playing it (it was overall smooth as ever, but I'll get a few uncomfortable mini delay per 10~20 seconds)
I validated the local files and ran AVG and SuperAntiSpyware check.

I tried to run another 3D environment game but it worked fine.

The issue doesn't seem to be the game content but my overclock.
However I don't think my graphic card is affected by it since I just changed the BCLK,
and I have stable RAM (I guess) so it doesn't matter too.
I already increased Vcore voltage from 1.1v to 1.35v, turned Turbo, EIST and C1E off in case there is instability.
And for sure my temps are stable my whole setup.

Chipset: Z97-D3H
RAM: 8GB
CPU: GeForce GTX650


What do you think is the cause?

 

[13thmonkey]

On non extreme platforms BCLK also impacts the PCI-E bus speed, which also impacts the sata bus speeds. It's very risky outside of a relatively small island of stability. It can cause disk corruptions etc.

BTW a prime 95 stress test for 5mins, is kind of pointless, not really even a warm up for a proper test.

 

[572]

On non extreme platforms BCLK also impacts the PCI-E bus speed, which also impacts the sata bus speeds. It's very risky outside of a relatively small island of stability. It can cause disk corruptions etc.

BTW a prime 95 stress test for 5mins, is kind of pointless, not really even a warm up for a proper test.

So, is it ok to use tests to reach that small island of stability? Any detailed article to tell how I know if the SATA bus speed is getting impacted?

 

[13thmonkey]

that island was always reported as being below 105. Above that is risky. The impact you'll see on the Sata sub system is simply corruption on writes, and therefore you may not be aware for months.

The extreme platforms decouple BCLK from the sub systems using dividers like the old memory speed dividers.

Personally I wouldn't go above 103-105, in fact I'd stick to 100.

 

[572]

that island was always reported as being below 105. Above that is risky. The impact you'll see on the Sata sub system is simply corruption on writes, and therefore you may not be aware for months.

The extreme platforms decouple BCLK from the sub systems using dividers like the old memory speed dividers.

Personally I wouldn't go above 103-105, in fact I'd stick to 100.

Very nice answer, and I'd like to ask if I can modify my setup like an extreme platform? (I don't really know what that is)

 

[13thmonkey]

The extreme platform is the socket 2011 platform, so bluntly, no. Very different hardware.

 

[13thmonkey]

looks like skylake can too.
http://www.anandtech.com/show/9848/bclk-overclocking-intels-non-k-skylake-processors-coming-soon