CPU Bus speed sudden change

[neon4]

Hello, I came across a weird thing yesterday. My OC suddenly changed its bus speed. It's nothing significant, but still it caught my eye.
I used to have 4000Mhz solid OC, 200Mhz Bus speed, 2000MHz HT link, etc., every number was rounded. But now, when i open CPU-Z everything is only nearing these numbers. See picture below:

Does anyone have any idea what's going on?

 

[Ubrales]

Nothing unusual.

 

[neon4]

Nice, thanks for your fast reply
I'm quite relieved, but do you know what is the cause of that? Just being curious.

 

[Ubrales]

Nice, thanks for your fast reply
I'm quite relieved, but do you know what is the cause of that? Just being curious.

Just the way the program works. Mine is never rounded off.