BCLK/Bus Speed fluctuating [Edit: Solved!]

[destrekor]

As reported by CPU-Z, the BCLK on my Z68 board and 2600K (@ 4.4GhZ ideally, 44 multiplier) is running at anywhere between 97 and 99, never truly approaching 100.

I remember seeing it before, reading 99.98.

I have Spread Spectrum disabled.


Edit:

Problem Solved!

Having Hyper-V enabled is what caused that. Apparently their must be some abstraction layer going on, even if VMs aren't running, and that was screwing with the system timers in a way that could be seen in the bus speed.
And I definitely don't want anything screwing with the system timers.

I removed that role, and it now fluctuates between 99.98 and 100.1. Fine by me, that's basically as I always knew it.

Good thing I don't need Hyper-V. I had it enabled to do a very convoluted user state transfer thanks to not initiating prior to formatting the system.


I want to give credit where credit is due.
I found the tip here, and it did in fact turn out to be the solution.

 

[ShintaiDK]

If you enable spread spectrum and still see the same. Then your mobo maker essentially disabled that setting for you. Unless its an issue of updated BIOS and not reset settings afterwards.

 

[destrekor]

I had cleared BIOS and reloaded a stored profile. So I should enable SS again, and then once again disable it after rebooting and checking it out?

 

[2is]

Most boards I've used run at 99.xx not something I'd overly concern myself with personally.

 

[destrekor]

Most boards I've used run at 99.xx not something I'd overly concern myself with personally.

Well I just find it odd because I remember seeing that it would reach effectively 100, second decimal place rounded. But that means 99.9xxx, perhaps sometimes 99.8 or fluctuating a little there.

The peak I see now is maybe 99, almost universally fluctuating in the low 98.xx's.

Considering how much revolves around the timing of the bus speed, and communications with graphics cards being one of them, I want to ensure there are no system variables influencing stutters in any games I get. I'm setting my system up from scratch, and now testing things like HPET On/Off with my Crossfire setup to root out microstuttering.

Perhaps it started after a BIOS patch, not sure... hadn't looked at CPU-Z in forever prior to formatting my system.

 

[destrekor]

Problem Solved!

Having Hyper-V enabled is what caused that. Apparently their must be some abstraction layer going on, even if VMs aren't running, and that was screwing with the system timers in a way that could be seen in the bus speed.
And I definitely don't want anything screwing with the system timers.

I removed that role, and it now fluctuates between 99.98 and 100.1. Fine by me, that's basically as I always knew it.

Good thing I don't need Hyper-V. I had it enabled to do a very convoluted user state transfer thanks to not initiating prior to formatting the system.