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Haswell Overclocking Guide [With Statistics] - Page 251

post #2501 of 19539
Quote:
Originally Posted by Doug2507 View Post

1.19vcore@x46 during the night with no BSOD entry. Event viewer shows XTU restarted at 03:20hrs, started running at 18:34hrs. Makes it an 8-9hr pass before crash i reckon. With no 124 would that mean vcore is good and it needs slight tweaking elsewhere? Need to go read up on LLC. Also noticed before i hit the sack that VCCIN minimum reading was 1.875v if that has any influence. Set at 1.9v.

If your computer rebooted, then I'd treat it the same as a blue screen. I was crashing after many hours, but resolved it with more vcore. I was also trying to run 46x cache for a while, but it takes more voltage than you think to make it stable in the long term. VCCIN doesn't need to be that high for 1.19vcore, and LLC is a waste of time. I've tried to save 0.010v or 0.005v by tweaking up all these other settings like LLC, power phase, SA, IO, AO voltages, and Vin, but they don't have any effect. Maybe my chip isn't fussy or maybe the Auto settings are very good on this Asus board.
Quote:
Originally Posted by Hyolyn View Post

Is anyone figuring out what's up with the BSOD for (x124) 07X

I keep getting this bsod totally random when playing, sometimes it only occurs after 8-9 hours of gameplay and sometimes after just 2, i can't find a pattern.
Lowering or increasing voltages don't really help, i still have lots to go on the Agent, the I/O Digital / Analog is set to auto.

Had the same issue, turns out I needed more vcore. Take your current core and cache voltage settings and add 0.025v, see if it goes away. If not, then you might need to do a deep dive into your memory timings.
Quote:
Originally Posted by Doug2507 View Post

That VCCIN on the 5Ghz was just set at a guess for posting. I was just curious to see if it would boot at 5Ghz! I don't think i'll have anywhere near the headroom temp wise on air to achieve a stable clock at 5Ghz. At the moment i'm just glad 4.8 is doing fine with XTU at 1.25v as i'll no doubt need to incrase vcore for AVX with Prime. I only game and rip audio cd so don't think i'll need to be stable for AVX but i'll look into it anyway.

That's a nice chip, I'd be kind to it. For me, 5GHz is bootable at no less than 1.41v. For XTU, my 4.8GHz config needs 1.34v.


I turned SVID back on and set Input Voltage to Auto, did a 3hr run last night. When SVID is enabled, the XTU is able to report wattage. Grabbed a screeny, here's my info. Also, I like how CPU-Z, XTU, and HWMonitor all report different vcore values.
Username: Womper
CPU Model: 4770k
Core Multiplier: 47x (100MHz bclk)
CPU VID: 1.275 adaptive
Vcore: 1.296v
Uncore Multiplier: 45x
Uncore Voltage: 1.275v adaptive
Cooling Solution: Swiftech H220
Stability Test: XTU (2 x 3hr sessions, 1 x 9hr session)
Batch Number: L312B318
Ram Speed: 2133

post #2502 of 19539
After 1 week of using these settings:
Core: 46x
Uncore: 43x
Vcore: 1,25
Vuncore : 1,2
....i got bsod while playing bf3
Now i try 1,26v seems stable at the moment...
What you think about this voltage ...is it good?
post #2503 of 19539
4.6 @ 1.26V sounds pretty good.
post #2504 of 19539
And is there a performance boost to 4.5 GHz in games?
post #2505 of 19539
Just a final update as I'm done, this time for sure "per the wife." My 4th chip is 313 from Costa Rica. By far the WORST chip I could have ever known to exist. It won't even boot windows at 4.5 with 1.27 volts. 4.4 crashes prime instantly at same voltage, 4.3 crashes within 30 seconds and I didn't even bother with 4.2. My crappy 312 Malaysia is staying. Don't know how some people get these good chips.
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Crucial MX100 512GB SSD Plextor M7VC 512GB SSD LG DVD Multi external Noctua NH-U9S + Noctua x2 + Be Quiet x2 
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post #2506 of 19539
Quote:
Originally Posted by batman900 View Post

Just a final update as I'm done, this time for sure "per the wife." My 4th chip is 313 from Costa Rica. By far the WORST chip I could have ever known to exist. It won't even boot windows at 4.5 with 1.27 volts. 4.4 crashes prime instantly at same voltage, 4.3 crashes within 30 seconds and I didn't even bother with 4.2. My crappy 312 Malaysia is staying. Don't know how some people get these good chips.

Don't feel bad it took my chip 1.25 for 4.2 and 1.3 for 4.3.
post #2507 of 19539
Costa Rica's is supposed to be only an assembly site, not an actually photolithography site. So, whatever they do is mainly how they package the die itself, and not its complete manufacturing. I suppose any delliding would remove any kind of "Costa Rica" advantage or specialty.
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post #2508 of 19539
my @ 4.5 ,1.260 costa rica ,chip 312B7xx !! deli liquid pro

http://valid.canardpc.com/2899610
post #2509 of 19539
For the record, my chip is a Costa Rica and it's worse than any other 4770k I've seen online.
    
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Samsung 830 128GB (OS & Programs) WD Caviar Black 500GB (Games) Seagate Barracuda 750GB (Files) Corsair H100i with SP120 Quiet Fans 
OSMonitorKeyboardPower
Windows 10 Technical Preview HP 2311x 23" (Dual Monitors) Logitech MK520 Antec TP-650 
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post #2510 of 19539
Quote:
Originally Posted by Anusha View Post

Wanna know one thing. When you were lacking VCCIN, how did you know? You got a BSOD or simple reboots? I'm getting the latter and to solve that I have to increase the VCCIN.

I was requiring like +0.01vcore with vrin off 0.04 in either direction to consistently pass tests and be ok long term (i got 3 bluescreens 0x0124 within 4-6 hours on 1.72, no bluescreens or whea's on 1.76, but measurable instability returned on 1.8)

I get reboots when i have very close to the vcore i need it seemed to me, but with VRIN way off, i needed quite a lot more vcore, so if my perfect settings were for example 1.25vcore, 1.76vrin, i could make it restart like that by either setting vrin to 1.72, 1.8, or by lowering vcore to 1.24 at 1.76vrin

Unless you're on the edge of stability though you can't make good gains from small changes, it's just if somebody had vrin like 0.1v+ different from me, i'd suggest try closer and isolate vcore/vrin on a stable system to see what works best at a given vcore. You also can't tune/optimize pretty much anything with it without LLC because it droops a lot
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