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Forums - PC - Need help building a PC for the HTC Vive

snyps on 27 March 2016
Pemalite said:

Remember that AMD CPU's have a bug which means temperatures are incorrectly reported. Add an extra 13'C.
AMD also recommends never to exceed 65'C.

As for your PSU... Well. You could handle dual mid-range cards, but not high-end, you would want an 850w PSU minimum to keep things happy.
I would personally opt for dual Radeon 390 8Gb cards... But even dual 380 4gb cards would give a better VR experience (Once drivers are out) than a single 390X I would imagine.

 

I brought the FSB back to 200. Raised the Multiplier to x19.5 (1.48v). Raised the NB multi to x12 (1.25v). It's stable but not as good of results as last night. I had no success at 4GHz cpu/ 3GHz nb. So I'm at 3.9GHz cpu/ 2.4GHz nb.

 

Last night passmark gave me just above 2300+ rating. Tonight passmark gives just below 2300- rating. Steam VR Performance test put me back in "capable" where as last night it had me in "ready". 

 

Maybe my motherboard is just designed to be tweaked. It has a physical knob for adjusting the FSB in real-time! Totally noob friendly. Even has a physical reset-cmos button which I love right now.

 

Any advice? If I can't figure something out I'm going to have to go back to 3.84 cpu (240 * 16) since it was Steam VR approved.



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snyps on 27 March 2016
fatslob-:O said:

How long down the road are we talking here ? It really depends ... 

If it's soon then yeah it seems like a good time to get a 390/X or a 980 Ti but with the imminent launch of next generation GPUs I would wait since we're probably going to squeeze out the last drop in terms of increasing perf/$ for a long while ... 

If not then don't bother since your not going to be able to use the hardware to it's full potential with most of it's lifetime usage ...

I'm probably going to replace the CPU and board at the end of the year. So I'll get the new card when the price is a little better. Thanks for that. Btw.. remember some threads back I complained about MS user interfaces even though I never had Windows 10? I got 10 installed and I haven't done my games but You were right1! The it is glorious!!! ;D A mess to set up compared to mac but I love it.



Pemalite on 27 March 2016

Did you overclock your RAM as well? Because if you had the RAM locked to your FSB, raising the FSB would have also overclocked your RAM. :P




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snyps on 27 March 2016

Oops no I didn't mess with the ram, I thought that was a separate attempt to do later. I'll look into that for next time!



snyps on 27 March 2016
Pemalite said:
Did you overclock your RAM as well? Because if you had the RAM locked to your FSB, raising the FSB would have also overclocked your RAM. :P

Is that why I gained a larger performance boost? I can't wait to see what happens when I bump the RAM and Multipliers together.



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Pemalite on 27 March 2016
snyps said:
Pemalite said:
Did you overclock your RAM as well? Because if you had the RAM locked to your FSB, raising the FSB would have also overclocked your RAM. :P

Is that why I gained a larger performance boost? I can't wait to see what happens when I bump the RAM and Multipliers together.

Part of the reason.

Typically *everything* in a system is tied to your FSB. Hyper Transport, RAM, CPU Clock,  South/North Bridge, everything gets overclocked when you push the FSB up, but you can also do it all individually too.

Did you try 4ghz at 1.45v without touching the NB though? I am yet to see a full-blown Phenom not hit 4ghz. o.o

I am actually not sure if the old Phenom's preferred lower timings or higher bandwidth though, been many many many years since I had my Thuban and tinkered with it, AMD was so fun to overclock though... These newer Intel chips are lazy. lol




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