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3570k Overclock suggestions? - Page 3

post #21 of 80
Thread Starter 
Overnight I hit a peak of 78C with the slow fan settings. One core failed in P95. I upped the offset to +0.055v, and didn't touch AXTU when I restarted, so now the fans are at ~800/1250 for the 180mm/140mm. It's running now, so I'll know when I get home if it needs more. Strange, Auto vcore at 4.5 didn't up the voltage at all, and everyone was telling me it'd overvolt!
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post #22 of 80
That's not bad. I think you still have some headroom with temp. My goal was to keep the max reached by any core at 85C. And from what I observed that max was hit early on, and then it wouldn't reach that again. With offest, it may not hurt to go by .010v increments since you'll still want some buffer room even after running p95 without error. And it shouldn't make much different in temp .010v vs .005v. It also helps reduce the time taken for stability testing (1/2 as many increments to test).

I'd still just set fan target speed, target temp in the uefi and ditch the axtu after what I noticed with mine. Unless you are using it for it's other features, then I'd just set the fan stuff in uefi and not touch the adjustments in axtu. For your fan speed, they will always max out to whatever the fan is rated for (mine actually max out ~200rpm higher than they were spec'd at). It's just a matter of when. Setting target speed is the speed they run at when under the the target temp. Target temp is when they ramp up eventually to reach their maximum. I just have mine (chassis and cpu) set at target speed 1 and target temp of 45C. Mine are also quiet from where I'm sitting so it doesn't bother me much what speed they're running at. In the end, it didn't seem to effect my idle temps much. If you are seeing different fan max rpm's depending on settings, I'm wondering if it's conflict with the axtu utility. Once you are past your target temp, they should max out at the same regardless of target speed setting. At least that's what I've come to understand from reading and my own observation of how these features behave. I've got PWM fans attached to both headers.

It is indeed odd that the board didn't give more juice at 4.5 than at 4.2 when set to auto. You also seem to be trying at very low voltages for 4.5. I don't think I've read in any of the 3570k OC threads of somebody hitting 4.5 under 1.2v, but I certainly haven't read them all. I had gotten the impression that I'd be doing alright if I could manage it at 1.25v.
Did you note the time in prime that it took to fail (worker started/stopped)? For me it was early enough that I was still monitoring (perhaps within a hour or so). Then at one point, the next bump offset allowed it to run stably. Again, I had to bump it several times just for the sake of one core having problems.
    
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post #23 of 80
Thread Starter 
The core failed at around 3am, so it had been running for almost 6 hours. Thanks for all the info on the fans. I wont be using the software for setting fan speeds, was just using it to check temperatures, but I've ditched that for HWiNFO, Real Temp and CPU-Z.

As for the offset, I am going to try what was suggested in the Guide thread, and increase the turbo offset to +0.055V (assuming it's stable when i get home), and just up the vcore offset to 0.005V. They said that the turbo offset is what's used under load, and the other is just for your base vcore, so it will also bump up the idle voltage. Which is true, I'm seeing the idle voltage bounce to 1.00v now that I've set the +0.055V offset.

Wish I could check progress now, but I don't have anything set up for remote access right now.
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post #24 of 80
Quote:
Originally Posted by ryboto View Post

Quote:
Originally Posted by Belial View Post

Why would you only do 4.2ghz, that's terrible, a non-k edition CPU can do 4.2ghz. 4.4-5.1ghz is really where you want to be a with a k edition CPU.

You need to stability test your overclock using 24 hours of prime95 custom blend as well.

24 hours is still the norm? I have a small case, wasn't sure I'd have the cooling power for more than 4.2ghz, and I don't plan on removing the lid. Plus I'd like to keep it quiet.

Yes, 24 hours minimum is still the norm. You should have sufficient cooling for 4.5-5ghz, any aftermarket cooler will. It's more than 4.5ghz, and how good the chip is, that is where you start pushing limits, but any chip on any non-radial cooler, can do 4.5ghz at the very least. As long as you keep voltage below 1.5v and temps below 95*C, you should be fine. Push as far as you want. How big your case is shouldn't matter, obviously it may be warmer and maybe you'll hit a thermal limit earlier, but the same rules still apply.
Quote:
Overnight I hit a peak of 78C with the slow fan settings. One core failed in P95. I upped the offset to +0.055v, and didn't touch AXTU when I restarted, so now the fans are at ~800/1250 for the 180mm/140mm. It's running now, so I'll know when I get home if it needs more. Strange, Auto vcore at 4.5 didn't up the voltage at all, and everyone was telling me it'd overvolt!

Thats why 24 hours matters. passing 12 hours, or 50 passes of ibt, means nothing.

Seems like you got it figured out thumb.gif
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post #25 of 80
Thread Starter 
Greeted with a pleasant surprise when I got home, no errors in P95. With fans at their max, highest temp I'm seeing is 75C. Voltage has drooped a bit, now it's 1.176/1.184v. I'm going to try using the turbo offset instead and set it again for overnight...or should I push for a higher clock....decisions!?

edit- Just noticed CPUID and AXTU disagree with HWiNFO on vcore. The latter says I'm at 1.23V, while the other two report 1.176v.....
Edited by ryboto - 3/8/13 at 7:09pm
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post #26 of 80
Looks like your temps are good, what was your idle voltage? If it's not real high you might just leave the offset and turbo alone? Also, not sure why the discrepancy between the voltage readings? I use CPUID Hardware Monitor as my reference. Your basically at one offset bump up from where I am at 4.2 voltage wise (your lower reading). I'm at 1.168/1.176. Funny too, since I'm at -.100 to get that voltage. Goes to show what different chips get for their vcore.

I tried for 4.5 again, and was getting crashes (BSOD) shortly after starting prime with a load voltage of 1.32, temps hit 84C too. I guess my chip is one that doesn't do 4.5 easily, at least with my setup. I'm guessing I would have needed at least 1.35v if I had kept trying. Ultimately, I'm cooling limited. I'm sure if I had room for a 140x25mm fan with good static pressure on the axp-140, I'd get some more headroom....but there's no room with the psu location in the sg05.

Actually just opened HWINFO and it's got my voltage at 1.32v during prime. Compared to 1.168/1.176 in CPUID Hardware Monitor, not sure what that's about. I will say that I don't believe the HWINFO reading, because if it was true, I should be able to do a higer clock at this offset!!
    
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post #27 of 80
Thread Starter 
I think I'm going to trust CPU-Z. Feels like it's measuring after the droop, while HWiNFO measures what the BIOS is actually setting...?

As for my idle voltage, with a +0.005V offset, idle voltage is 0.944/0.952V. Guys in the thread for the guide said to leave offset at +0.005V and just up the turbo voltage offset, since that's what matters under load. Makes sense, because when I was adjusting just the vcore offset, my idle voltage was increasing too.
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post #28 of 80
Something as nuanced as vdroop is not going to be measured by software or cpu-z lol. I don't think you are aware of how voltage fluctuates in a cpu, software isn't going to catch things like vdroop or vrise at all. It'll get around the range of what your CPU is going, but it won't capture such stuff at all.

For example with my UD5H, my multimeter shows my real voltage is more like .08 above what cpu-z shows. When my voltage falls, as if vdroop was occuring, my voltage actually rises a bit more on the multimeter. Vdroop and drop definitely exist, but software isn't going to give you any indication of it. Besides increasing under load, software will not reveal the nuances of your voltage fluctuations at all.

hw-info has a quicker polling rate at default than cpu-z. they are both monitoring the same i/o.
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post #29 of 80
Thread Starter 
Quote:
Originally Posted by Belial View Post

Something as nuanced as vdroop is not going to be measured by software or cpu-z lol. I don't think you are aware of how voltage fluctuates in a cpu, software isn't going to catch things like vdroop or vrise at all. It'll get around the range of what your CPU is going, but it won't capture such stuff at all.

For example with my UD5H, my multimeter shows my real voltage is more like .08 above what cpu-z shows. When my voltage falls, as if vdroop was occuring, my voltage actually rises a bit more on the multimeter. Vdroop and drop definitely exist, but software isn't going to give you any indication of it. Besides increasing under load, software will not reveal the nuances of your voltage fluctuations at all.

hw-info has a quicker polling rate at default than cpu-z. they are both monitoring the same i/o.

I read CPU-Z might be reading voltage somewhere else. A quicker polling rate doesn't account for a 50mV difference in reported voltages.
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Silverstone SG08 600W PSU Silverstone SG08B Logitech G700 Pioneer SE-A1000 
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mitx
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Intel i5 3570K 4.5ghz ASRock Z77E-ITX Sapphire R9 290x Tri-X 1200/1500 Crucial Ballistix Tactical LP 2x8 GB 8-8-8-24-1T 
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Samsung 840 Pro 256gb Western Digital Velociraptor Western Digital WD15EARX Western Digital WD15EADS 
CoolingOSMonitorKeyboard
Silverstone NT06-Pro Windows 10 x64 LG 29UM67 Logitech G710+ 
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post #30 of 80
there's only one place it can be reading voltage from. doesnt make much sense, hwinfo always gives me same reading as cpu-z but quicker. id much rather trust hwinfo than cpuz though.
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Haswell i7-4770K 4.8GHz@1.452v/1.97vRIN Gigabyte Z87X-UD3H Older Gigabyte 7950 (H60 Mod) 2x4GB Gskill 2400CL11 Hynix CFRs 
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Samsung 830 128gb Corsair H110 w/4x 140mm Yate Loon High Blues W7 x64 Ultimate Yarrgh Matey Dell U2312HM Matte IPS 1080p 
MonitorMonitorKeyboardPower
Sanyo DP19640 18.5" 768p KDS Rad-7xp 1024p CM Storm Quickfire Rapids Brown Rosewill Capstone 750 
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Bitfenix Shinobi Modded CM Storm Spawn Steelseries Diablo 3 2 set CD Speaker + Big Sub 
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Bitfenix Recon Fan Controller Moded 
CPUMotherboardGraphicsRAM
Delidded i7-3770K 5GHz@1.499 Gigabyte Z77X-UD5H 1.1 Sapphire Dual-X 7950 3L Boost 4x2GB Mushkin Ridgeback 2200mhz 8/11/8/27 1.75v... 
Hard DriveCoolingCoolingCooling
Intel X25-M 80GB SSD NH-D14 SE2011 Noctua 120/140/140 Fans 3 x Yate Loon Mediums (Petras) 2 x NZXT Havik 140mm Fans 
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Hax'd W7 Ultimate 64-bit Sanyo DP19640 19'' KDS Radius Rad-7xp 17'' Ducky 1087 MX Brown 10keyless 
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Rosewill Capstone 550w Modular NZXT Source 210 w/Modded Window Razer Deathadder 3.5G Steelseries Blizzcon D3 
AudioAudioOtherOther
Phillips FW-C250 2 Speaker Set w/3 CD Changer JBL Sub 6 Subwoofer NZXT Sleeved LED Strip 1m Blue NZXT Sentry 2 Fan Controller 
Other
Colonial Blue Paracord Sleeving 
CPUMotherboardGraphicsRAM
Phenom ii X4 955C2, $31, 5 broken pins, works! ... Biostar A770e3 6.3 Red&Black MSI GTX 460 768mb Twin Frozr II 2 x 2GB Kingston HyperX 1333 OC to 1348CL7@1.65v 
Hard DriveCoolingCoolingCooling
Intel X25-M G2 80GB SSD NH-D14 SE2011 6 x Case Fans (4 x YL-M, NZXT case fan, CM Hype... Jerryrigged Chipset-Northbridge 80mm HSF 
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Jerryrigged VRM Heatsink (sawed off stock AM2 h... Hax'd W7 Ultimate 64bit Sanyo DP19640 19"1360x768 Ducky Cherry Browns 10keyless 
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Antec Earthwatts 430D NZXT Gamma Steelseries Kinzu Optical Steelseries Blizzcon Diablo 3 
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Build In Progress
(17 items)
 
   
CPUMotherboardGraphicsRAM
Haswell i7-4770K 4.8GHz@1.452v/1.97vRIN Gigabyte Z87X-UD3H Older Gigabyte 7950 (H60 Mod) 2x4GB Gskill 2400CL11 Hynix CFRs 
Hard DriveCoolingOSMonitor
Samsung 830 128gb Corsair H110 w/4x 140mm Yate Loon High Blues W7 x64 Ultimate Yarrgh Matey Dell U2312HM Matte IPS 1080p 
MonitorMonitorKeyboardPower
Sanyo DP19640 18.5" 768p KDS Rad-7xp 1024p CM Storm Quickfire Rapids Brown Rosewill Capstone 750 
CaseMouseMouse PadAudio
Bitfenix Shinobi Modded CM Storm Spawn Steelseries Diablo 3 2 set CD Speaker + Big Sub 
Other
Bitfenix Recon Fan Controller Moded 
CPUMotherboardGraphicsRAM
Delidded i7-3770K 5GHz@1.499 Gigabyte Z77X-UD5H 1.1 Sapphire Dual-X 7950 3L Boost 4x2GB Mushkin Ridgeback 2200mhz 8/11/8/27 1.75v... 
Hard DriveCoolingCoolingCooling
Intel X25-M 80GB SSD NH-D14 SE2011 Noctua 120/140/140 Fans 3 x Yate Loon Mediums (Petras) 2 x NZXT Havik 140mm Fans 
OSMonitorMonitorKeyboard
Hax'd W7 Ultimate 64-bit Sanyo DP19640 19'' KDS Radius Rad-7xp 17'' Ducky 1087 MX Brown 10keyless 
PowerCaseMouseMouse Pad
Rosewill Capstone 550w Modular NZXT Source 210 w/Modded Window Razer Deathadder 3.5G Steelseries Blizzcon D3 
AudioAudioOtherOther
Phillips FW-C250 2 Speaker Set w/3 CD Changer JBL Sub 6 Subwoofer NZXT Sleeved LED Strip 1m Blue NZXT Sentry 2 Fan Controller 
Other
Colonial Blue Paracord Sleeving 
CPUMotherboardGraphicsRAM
Phenom ii X4 955C2, $31, 5 broken pins, works! ... Biostar A770e3 6.3 Red&Black MSI GTX 460 768mb Twin Frozr II 2 x 2GB Kingston HyperX 1333 OC to 1348CL7@1.65v 
Hard DriveCoolingCoolingCooling
Intel X25-M G2 80GB SSD NH-D14 SE2011 6 x Case Fans (4 x YL-M, NZXT case fan, CM Hype... Jerryrigged Chipset-Northbridge 80mm HSF 
CoolingOSMonitorKeyboard
Jerryrigged VRM Heatsink (sawed off stock AM2 h... Hax'd W7 Ultimate 64bit Sanyo DP19640 19"1360x768 Ducky Cherry Browns 10keyless 
PowerCaseMouseMouse Pad
Antec Earthwatts 430D NZXT Gamma Steelseries Kinzu Optical Steelseries Blizzcon Diablo 3 
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