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MSI Z77 Mpower owners club / All things MPower - Page 55

post #541 of 3634
Quote:
Originally Posted by CL3P20 View Post

looks good wink.gif see if your memtest stable

AHH. I made a mistake and set the timing to 9-10-11-27-1t-100t. It is stable though........ I think
post #542 of 3634
Uping voltage to 1.575ish. Had a crash in a game. Not sure if it is relatedl. IMO
Edited by Testier - 10/27/12 at 9:32am
post #543 of 3634
Quote:
Originally Posted by CL3P20 View Post



**above timings for 2000mhz using Patriot D2 kit... rated for 2133 @ 11-11-11-31


Timings you should be able to adjust from "Auto".. due to mobo picks them a bit loose wink.gif

tRFC can usually be tightened substantially from Auto.. but depends largely on the IC type and density your RAM is.. 120-140 should be fine for just about any brand/speed - some may go as low as high 80's
tWR usually defaults to 16 on Auto.. this can be tightened depending on RAM type and voltage. Try for 12 if your stable.. try for 10 etc.
tWCL - seems the mobo changes this setting a lot depending on latency and speed.. keep at 7 or lower for tighter latency

 To tighten up latency.. try for 

tighter CL
running 1T
lower tRP & tRAS
lower tRTP
lower tRWDRDD 

I kinda tried to use your timings but I think I will leave most on auto for now. Probably will try to tighten it whenever I feel like it.
post #544 of 3634
Quote:
Originally Posted by Testier View Post

What timings are very important and what timings are losable?

The CL, (first number in the set) and the command rate are the largest indicator of speed of a ram set, given the clock speed is the same. For example...

8-8-8-20 2T

Is a slower set of ram than...

8-8-8-20 1T

Which is a slower set of a ram than...

7-8-8-20 1T

No one does 1T set's of ram anymore though, so the CL is what's important. Though, some people can overclock the Cmd Rate down from 2T to 1T. The cost of buying a set of ram with a faster CL can be pretty large. For example, a set of Corsair Dominators at 1600Mhz, CL9 are $96, yet a set of 1600Mhz, CL8 are 88. Nearly $10 difference for a CL bump.
Edited by GridIroN - 10/28/12 at 9:07am
post #545 of 3634
Quote:
Originally Posted by GridIroN View Post

The CL, (first number in the set) and the command rate are the largest indicator of speed of a ram set, given the clock speed is the same. For example...
8-8-8-20 2T
Is a slower set of ram than...
8-8-8-20 1T
Which is a slower set of a ram than...
7-8-8-20 1T
No one does 1T set's of ram anymore though, so the CL is what's important. Though, some people can overclock the Cmd Rate down from 2T to 1T. The cost of buying a set of ram with a faster CL can be pretty large. For example, a set of Corsair Dominators at 1600Mhz, CL9 are $96, yet a set of 1600Mhz, CL8 are 88. Nearly $10 difference for a CL bump.

Thanks.
post #546 of 3634
error on 9-10-11-27-1t-100t in memtest. Up voltage to 1.6v......... 1.65v is the ceiling for long term use right? I like to make sure it is ok for 24/7 just to be sure, but I dont actually use my PC 24/7. IMO
post #547 of 3634
I think it is stable on 1.6v. And apparently I cant set the voltage to just 1.600v in click bios. But I can in control center. Ahh well, 1.5955v will have to do.
Edited by Testier - 10/28/12 at 8:59pm
post #548 of 3634

1.59v set ~1.61v real if you measured with DMM on the mobowink.gif

post #549 of 3634
so this is mine thumb.gif

j0L2y.jpg

http://i.imgur.com/j0L2y.jpg
Edited by p3gaz_001 - 10/29/12 at 12:57pm
post #550 of 3634
I got my new board last weekend and everything seems to be running smoothly so I finally overclocked my 3770k to 4.5ghz, but would only run stable with 1.3v cpu core. The temps look good even running prime95 for hours. I wonder how so many other people can get away with lower vcore. If I ran 1.29v I would blue screen and crash. I heard 1.3v is highest you want to go. My temps range from 70-90c water cooled.
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