i7 4.0 ??

just tried 19x211 with 1.4V vCore, wouldnt boot into windows.

20x190 with the lower voltage crashed out after 11mins of prime 95

is it a voltage issues with both of these? ill go and try to adjust the voltages in a sec once i get replies. thanks for your time

edit: heres what i got right before it crashed at about 10misn testing

 
Higher baseclock often needs a little more VTT, also keeping QPI and Uncore frequencies to their minimums help.

EDIT: Theres a setting loadline calibration or LCC turn it on, if thats 1.4v in bios you're getting a lot of Vdroop+Vdrop.
 
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InfernoUk said:
ok so raise the vcore and keep the qpi and ram to 0.25 lower than it ??
Click to expand...

10mins is good, means its somewhere near. So yeah enable LCC, set to around 1.36 vcore, 1.33v QPI, Vdimm (DRAM BUS on yours) 1.65v, CPU PLL 1.85v. Load it and see what vcore is under load. P6T you should be nearly no droop with LCC. Keep an eye one temps, they'll climb fast with vcore.
 
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im in the bios now with x19 multiplier 211 base clock, 1.4V and 1.2V QPI/DRAM with LoadLineCal Enabled, is that all the settings before i boot??

edit: just saw your previous post, should i use them and go for 3.8 or follow previous and try for 4.0? im still in the bios
 
Leave the voltages and drop the multi to x18, see what the load voltage is, you can see if the LCC is working and the baseclock is stable. See what the temps are doing, you may just be up against temps. If the LCC is working try the 200x20 again.

I'd guess its going to need a further bump in volts (including VTT if the baseclock is flaky) and that's going to be a bit much for your cooling by the looks of it. Lower multi, higher baseclocks run cooler than higher multis, you could consider turning off HT. That'll drop temps a lot, just makes me sad to disable half the threads.
 
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ok trying to boot now ill try to run prime and temps and take a print screen

edit: dropped the multiplier down to 18 but still instant freeze on starting prime 95 also it was around 3.8 now and less stable then with the 20 multiplier and the 190 i think. im back to bios again now
 
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Here are my settings for 3.8
Ran Prime for 9 hrs Temps average in the 80's

AI Overclock Manual
Speedstep Disabled
BCLK [190]
PCIE [100]
Dram Freq [1523]

CPU Voltage 135.000 (mine 128)
Dram Bus Voltage [165] (but goes to 166)
 
InfernoUk said:
should i just try to get a very stable 3.8 instead then? temps will be to high at 4.0 to get any kind of stable?
Click to expand...

Aye, I gave up on air. Needed water for my 940, not a great chip. Mine loads 1.4v vcore around 65-70C on water. Its a matter of finding the limits for each voltage, vcore QPI/Uncore etc. Some cpus don't like much more than 190 BCLK for normal VTT upto 1.4v. Some go higher with no effort at all, luck of the draw.
 
im running a 3.8 with x20 multiplier and 190 base clock at the moment with 1.280 vcore and ram at the same as the first post on this page (cant remember the exact number) its booted into windows and im running prime 95 and temps at the moment, will post a pic in 10mins of testing
 
Same again, pick a voltage say 1.4v vcore, QPI a bit lower. 1.85v or so for PLL. Mem at is recommended, 1.65v. 190x20 see what happens, first thing is to check the load voltage and temps. If that works, drop it a notch and try again. If it fails raise it one.

EDIT: Is it still saying 1.28v with 1.4v in the bios?
 
running ok for 10mins



do i need to make all those changes from auto also? or should i just leave it ill just check about the 1.28 or 1.4 thing in the bios

EDIT: In bios im running 1.28125 Vcore so its all ok its not 14 anymore. ill change all the other settings you said whilst im in the bios also what should i change them to using a 1.28 voltage and not a 1.4
 
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Yes change the Auto to manual entries for the ones that can do harm as I've listed.

Something odd to my mind, 1.28v is pretty damn good for 3.8Ghz even 10mins. That chip should easily do 4Ghz at 1.4v. Are you sure LLC is on?
 
100% sure its enabled, where do i get the manual settings for the auto option ones?

edit: could try 4.0 again i think maybe options are wrong else where except the voltage multi and base clock, would you be able to list them all and ill try 4.0 again? or should i just go with the 3.8
 
Get to the point where you can show me a 3.8GHz shot like you have with it saying 1.4v loaded. And tell me the voltage the bios needed to get that, something odd here. I've a feeling 4Ghz is do-able with HT off to help temps.

For the others, do you have an Asus app that tells you the voltages? My Gigabyte has Easytune, gives me the settings and actual.
 
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