[VPC-Z] QPI Link frequency ?

Hi,



I have got a VPC-Z11 with a i7 620M with advanced bios.

A moment ago, I had try some stuff with this :













And then CPU-Z showed that :































I have used my computer many time with that last setting (QPI 6.4 GT) without any problem. I didn't pay attention much to that frequency later





I can't do any screenshot anymore, because the QPI Link doesn't get anymore higher than 2400 Mhz

Whatever I try, like 5.866 GT or 6.400 GT it's stuck to 2400 Mhz.

Except if I try 3.200 GT it get back to 1600 Mhz.



I wonder if this is normal.





What is your QPI Link frequency reported in CPU-Z ?

Reply 1 : [VPC-Z] QPI Link frequency ?

Isn't qpi link DDR? If so then it makes sense that it reports half speed for everything. 4800=2400. Sounds to me like your cpu doesn't support anything above the stock spec which is 4800/2400. What are you looking to gain exactly?



I'd leave it set to auto, and frankly I'd stop screwing around with it.

Reply 2 : [VPC-Z] QPI Link frequency ?

Yeah looks like it does not support anything higher than 4.800 GT

But it reached once 3200 for 6.400 GT.

What do I expect ? some slight more performance, I've tried few benchmarks at 1600Mhz/3.200 GT , it was about 10% lower than normal settings in certain conditions.



Ya AUTO that exactly what I do, mister pseudo-moral giver.