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post #531 of 3634
this board is just plain awesome..performance per dollar..just love it..with a press on a button viola instant OC..lols..still can't appreciate the looks cause my D-14 is overshadowing it T_T..waiting for my raystorm kit..wew
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post #532 of 3634
Guys I have a few questions. If you can bear with me please as I am still relatively new to overclocking having only been doing this for a little less then a year and having experience only with 2 chips and 4 boards all 1155 socket.

I noticed that every time I increase my mutli by 1 or more it will enable my interal pll overvoltage. Is this normal? I set it to disable when i got to 47 multi and it sent my computer into an endless 1 second boot loop in which I could only get out of it by spamming the gobios button. I even switched my power supply off for a couple seconds and it continued in the fail boot loop once power was restored. It then proceeds to say failed OC and resets all of my bios settings. Well it was either that or what I'm about to say below I'm not sure.

Also not sure if I should be enabling XMP or not and manually setting the timings. Sandy bridge was my first home build platform so I really don't know much about memory settings at all. It's not the same as with older platforms right? much simpler now. Will having a BCLK of anything other then 100 with XMP enabled cause a failed OC?

Also is it bad to mess with the BCLK? I see some people say yes and some people say no. It seems I have hit a wall at 4.7 with my chip as the voltages and heat required for a 48 multi stable are simply not worth it to me. Talk about diminishing returns! So I would like try to push my OC a little higher with the bclk if possible I have great airflow in my case and adequate water cooling for my cpu.

Your advice and help is greatly appreciated.
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post #533 of 3634
Chipset cooling tweak.


IC Diamond on die
Fujipoly Extreme 1mm around die on pcb provides heatsink stability to protect die and thermal heat transfer from PCB.
Thermalright chipset heat sink















Edited by SonDa5 - 10/26/12 at 2:46pm
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post #534 of 3634
Quote:
Originally Posted by NewHighScore View Post

Guys I have a few questions. If you can bear with me please as I am still relatively new to overclocking having only been doing this for a little less then a year and having experience only with 2 chips and 4 boards all 1155 socket.

I noticed that every time I increase my mutli by 1 or more it will enable my interal pll overvoltage. Is this normal? I set it to disable when i got to 47 multi and it sent my computer into an endless 1 second boot loop in which I could only get out of it by spamming the gobios button. I even switched my power supply off for a couple seconds and it continued in the fail boot loop once power was restored. It then proceeds to say failed OC and resets all of my bios settings. Well it was either that or what I'm about to say below I'm not sure.

Also not sure if I should be enabling XMP or not and manually setting the timings. Sandy bridge was my first home build platform so I really don't know much about memory settings at all. It's not the same as with older platforms right? much simpler now. Will having a BCLK of anything other then 100 with XMP enabled cause a failed OC?

Also is it bad to mess with the BCLK? I see some people say yes and some people say no. It seems I have hit a wall at 4.7 with my chip as the voltages and heat required for a 48 multi stable are simply not worth it to me. Talk about diminishing returns! So I would like try to push my OC a little higher with the bclk if possible I have great airflow in my case and adequate water cooling for my cpu.

Your advice and help is greatly appreciated.

 

*Enable - Internal PLL overvoltage : is good for OC of +4.5ghz.. helps stabilize CPU [i noticed no difference temps on air cooling with this setting enabled/disabled].

 

 For RAM overclocking - Yes ; You CAN use bclk adjustments in conjunction with XMP profile... you can even manually set RAM voltage with XMP profile enabled. XMP is merely keeping defined timings and booting with JDEC spec voltage [It will increase just prior to POST though - if you watch with DMM ;) ]. 

 

ie-  set bclk for 102.5 and use XMP profile with 1866mhz divider to get ~2000mhz... you can manually set voltage to what your RAM needs for this speed/timing or leave XMP voltage on Auto 

 

 

 From my experience with this mobo and different BIOS so far, bclk is relatively safe for adjusting up to ~109mhz [Please keep in mind, I am benching and have things like Audio/Networking etc disabled in the BIOS and am running with a max of 2x standard SATA2 HDD's]. Things like onboard sound or PCI-e 1x devices may not even tolerate more than ~106mhz bclk.. so if your running RAID or anything like that.. i would try to stay below 105mhz. There are plenty of available RAM dividers there to have fun with, if your into pushing your system.

post #535 of 3634
Thanks a bunch for the reply CL3P20. My ram sticks are rated at 1600mhz cl8. Should I set it to 1333 if I am adjusting the bclk?

My rig is pretty simple. 1 ssd(currently running hdd awaiting new ssd) and a gpu. That's it tongue.gif
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CoolingCoolingCoolingCooling
Monsoon 5/8" 90* Akasa Viper 140mm x9 Watercool HEATKILLER® GPU-X³ GTX 670 Ni-Bl Alphacool NexXxoS XT45 Full Copper 420mm 
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post #536 of 3634

My advice would be just to leave timings on Auto when moving your bclk around for testing RAM speeds.. the mobo sets a few of them pretty loose. You shouldnt have to increase voltage from stock  if your loosening timings. If it ends up your RAM doesnt OC to 1866 or so with some more volts; you may be better off seeing what timings you can tighten up with some additional voltage. Just make sure your using some tool to measure latency as you go.... like Aida or Maxxmem. They will show you if loosening your timings for more mhz is giving you any Read/Write/Copy gains.. or if your loosing too much efficiency with the added latency.

post #537 of 3634
What timings are very important and what timings are losable?
post #538 of 3634

700

 

**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 

post #539 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 am using 2 x 4gb 7-8-8-24 1600mhz, 1.5v(Although it might run on a tid higher, 1.514v, not sure) ram. I got it to around 9-10-10-27-2t 2133 mhz with around 1.55v(although it might not need it) and internal pll OV. Actually, I think it was stable with 1.513v or something. It might have 1.07v CPU i/o voltage. I think. I dont use memtest x86 for testing though. I think. What would you recommend? Trying it at 100t trfc and 9-10-10-27-1t with 1.07v CPU I/O and 1.54v ram voltage.
Edited by Testier - 10/26/12 at 10:48pm
post #540 of 3634
Quote:
100t trfc and 9-10-10-27-1t with 1.07v CPU I/O and 1.54v ram voltage.

looks good ;) see if your memtest stable

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