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 Sandy Bridge Overclocking V1, 2500K/2600K/2700K | LGA1155 P67.Z68.Z77

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TSowikh84
post Apr 21 2011, 03:55 PM

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QUOTE(Liuteva @ Apr 21 2011, 03:38 PM)
All sifu, 78c full load count as safe? Under Hyper 212 Plus on 4.8 GHz...
*
Still acceptable u would start to worry only when it hits 90C smile.gif
TSowikh84
post Apr 21 2011, 04:07 PM

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Most mobos are set to shutdown automatically at 100C.
Ur proc is actually protected; unless u turn off in BIOS settings.
TSowikh84
post Apr 21 2011, 04:16 PM

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QUOTE(Liuteva @ Apr 21 2011, 04:08 PM)
Oh ok... 13/21 now, temp never exceed 88c still. I think I cant play with 5 GHz... sad.gif
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Yes i'm absolutely sure that 5GHz is not possible on air cooling in non air conded room here eventhough u got a good chip.

My new 2600K requires low vcore but releases heat worse than the previous one.
TSowikh84
post Apr 21 2011, 04:47 PM

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4.9GHz below 1.4v vcore during load is a good proc.
Just that it seems to produce a lot of heat.

There are two types of chips in general:
1) low vcore, but high temp (hot)
2) high vcore, but low temp (cooler)

Ive noticed these since Bloomfield.

This post has been edited by owikh84: Apr 21 2011, 05:04 PM
TSowikh84
post Apr 21 2011, 05:10 PM

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4.9GHz editted lol was confused with underclockings.


Added on April 21, 2011, 5:13 pm
QUOTE(Liuteva @ Apr 21 2011, 04:54 PM)
1.49 GHz?


Added on April 21, 2011, 5:08 pmWhat is "CPU I/O Voltage"?
*
Vccio = vtt
Pls refer to page1 glossary


This post has been edited by owikh84: Apr 21 2011, 05:13 PM
TSowikh84
post Apr 21 2011, 06:34 PM

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QUOTE(owikh84 @ Apr 19 2011, 11:32 PM)
as for VCCIO aka VTT, most of the time u wont need to adjust it at all @ 1.05v. U might need to increase it a lil bit when playing with higher RAM speed & tighten timings etc... Using over 1.2V should only be necessary if u're pushing the proc toward 5GHz +. Like one of my proc @ 5GHz needed at least 1.2v VTT to boot into windows. Using above 1.4v is not recommended at all - u have been warned!
TSowikh84
post Apr 22 2011, 12:45 PM

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2400 turbo speed is 3.4GHz.
Ur mobo will auto adjust the voltage assuming that u're using auto settings so nothing to worry about. It is not considered as an OC though as u're just setting to run at turbo speed.
TSowikh84
post Apr 22 2011, 01:25 PM

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QUOTE(Liuteva @ Apr 22 2011, 12:52 PM)
owikh84, do u think daily use 4.9 GHz ok? Stress temp max 93C around.
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Looks fine for me. Daily usage wont hit that stressed 93C coz not 100% cpu is utilized.
TSowikh84
post Apr 22 2011, 11:26 PM

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Never had BSOD on both MIVE and UD7 B2+B3, both are so stable after LinX+Prime. Game by game finished smoothly on SLI.
AX1200W btw.
TSowikh84
post Apr 24 2011, 12:15 PM

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QUOTE(zerohunter @ Apr 24 2011, 12:10 PM)
i'm now stressing my cpu with linx. i saw in cpu-z my clock speed downclock to stock and back to oc sometime .....is tat normal?
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Normal if u turn ON power saving feature ie. Speedstep (EIST), C1E, C3, C6.
Turn OFF to stay at set clock.
TSowikh84
post Apr 24 2011, 01:43 PM

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QUOTE(zerohunter @ Apr 24 2011, 12:33 PM)
tq bro. i'm now running 500 rounds linx to ensure the stability before oc higher, will turn off those features after tis test. can u tell me is my temp acceptable so far?
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ok temps is fine. Just that the RAM capacity u stressed was too little.
Select "all" to stress all the available RAM. nod.gif

QUOTE(zerohunter @ Apr 24 2011, 01:28 PM)
i try raise to 48x but it can't boot into window, stay at black screen with a '_' blinking...wat is the thing i need to reset?
*
In BIOS CPU features turn ON CPU PLL Overvolting option.
TSowikh84
post Apr 24 2011, 02:30 PM

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QUOTE(Liuteva @ Apr 24 2011, 02:05 PM)
Bro owikh, stock PLL is 1.8 and I lower to 1.65 is it ok?
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should be okay. My PC will shutdown suddenly if set below 1.55v.
CPU PLL doesnt really affect OC just the temp might be reduced abit but hardly noticeable. nod.gif
TSowikh84
post Apr 24 2011, 05:06 PM

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QUOTE(zerohunter @ Apr 24 2011, 02:38 PM)
no luck on 48x, vcore offset 1.4v, cpu ppl on but freeze after few rounds of linx...sad.gif


Added on April 24, 2011, 3:45 pmlinx got error and stop...wat shud i do?
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To name a few possibilities that lead to the failure:
1) insufficient voltage: vcore? vtt? dimm?
2) wrong RAM timing: too tighten vs vdimm/vtt - run memtest see

But since u said LinX passed at 47x or lower clock at the same RAM settings so the 1st possibility is more relevant.
TSowikh84
post Apr 24 2011, 08:17 PM

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QUOTE(kuntawakaw @ Apr 24 2011, 08:08 PM)
any msi user here?

somehow i felt that some setting (volt or subtimings) changed when i open the MSI control center.but not so sure.. im on latest bios

eg
after boot, all set in bios = memtest stable
then open MSI control center, memtest again without changing anything = memtest fail..
*
RTL changes on every reboot? Set it manually & see.
TSowikh84
post Apr 24 2011, 09:13 PM

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QUOTE(kuntawakaw @ Apr 24 2011, 08:29 PM)
no.. i mean i can pass memtest..but without reboot, i open control center, then memtest fail..

RTL is important to set it manually? ok..will doo..thanks..

and besides the x-x-x-x-xT , what others that u usually set it manually?
*
Normally tFRC, tWTR.
memtest issue is common as what happen to Pi tends to skip errors randomly.
TSowikh84
post Apr 24 2011, 11:10 PM

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QUOTE(kuntawakaw @ Apr 24 2011, 09:50 PM)
u mean trfc?cant find tfrc here..
if trfc ,i always change in amd, but still blur need to change or not in intel.

i tested this few times..
after open control center, memtest will fail at around 40% ++ coverage.
if not, can pass 200%

1st i noticed is when i memtesting, then in order to get a ss, i open cc (while memtest running) and straight away prob found..
so ran again few times to verify..
*
typo tRFC. notworthy.gif
So the conclusion is Eco wont work well for SB.
Need another RAM which is proven working/certified for SB.
THIS guy is trying Eco on SB but yet not a single SS was posted. cool2.gif
TSowikh84
post Apr 24 2011, 11:51 PM

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QUOTE(kuntawakaw @ Apr 24 2011, 11:29 PM)
i gave up on eco already.. bought cuz my previous kit was doing great.. on AMD tho..

now testing better but still a cheap ram

another thing sir..
the vccio thing.. is 1.25v a suitable volt for it? or that is above optimal volt?
i cant leave it at stock..system wont stable with that..thus i blindly push up to 1.2Xv
but somehow if i set at 1.15v, the oc will more stable compared to 1.2Xv

and again, i cant confirm this....maybe its other settings..but if u encounter the same, then ok la tongue.gif

edit : ah..sad, the link u posted, he manage to get i boot at 2133.. i cant even get a post..
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i see.. what else u change in ur system? tongue.gif should tell whole specs in siggy.
Good kit but 1.25v is too high for that settings.
This PSC should be able to do 2133 7-10-7-28 1T @ 1.67v vdimm, vtt 1.05v unless old chip.

This post has been edited by owikh84: Apr 25 2011, 12:01 AM
TSowikh84
post Apr 25 2011, 11:11 AM

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QUOTE(Liuteva @ Apr 25 2011, 01:47 AM)
Waa, again.
Passed LinX, but suddenly BSOD while surfing web. sad.gif
*
Check in XS forum there are some GD65 having the same issue.
Vcore is not enuf when idle (surf net), altho load vcore is sufficient (during LinX). Pls increase vcore a lil bit more.

QUOTE(kuntawakaw @ Apr 25 2011, 07:45 AM)
just ram.. dont have luxury to change all

cant do it at 1.05vtt..
even if set new to 1.1v will crash..
still lot more to learn.. few masters i asked also said no need to increase vtt alot in sandy.. googled around also normally see around 1.1-1.15v only.. but i just cant do that.. user problem  laugh.gif
ok..updated my sig..
*
Ok. Might be ur cpu has weak IMC like one of mine was dancing banana eating at least 1.2v vtt to boot.
TSowikh84
post Apr 25 2011, 03:54 PM

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QUOTE(Liuteva @ Apr 25 2011, 11:40 AM)
Bro owikh, I found out "Phrase Control" in bios. Now set "Intel SVID", should I need to disable it?
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SVID will cause vcore drops ~0.8v. U might try disable or switch to another option.
http://forum-en.msi.com/index.php?action=p...;topic=145933.0
TSowikh84
post Apr 25 2011, 07:32 PM

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QUOTE(Dennos @ Apr 25 2011, 06:12 PM)
what is the lowest voltage i can put for cpu 2600k running on stock speed 3.4ghz? temporary 1.144v.
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SB likes vcore >1.0v, so most likely the lowest point would be 1.0v if ur chip is capable to do it.


Added on April 25, 2011, 7:35 pm
QUOTE(kuntawakaw @ Apr 25 2011, 04:01 PM)
i dont think our mobo bios have offset value..
no, never randomly bsod unless i know that system gonna hang anytime..
but, i never oc my proc yet..so i donno yet if oc proc..later will oc it..
ic ic.. ahh.. hate weak imc. in intel, imc strength can detect by batch or not? or just random?
*
random. Every SB is different and nobody can tell which one is good and which one is bad.

This post has been edited by owikh84: Apr 25 2011, 07:35 PM

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