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Haswell Overclocking Guide [With Statistics] - Page 541

post #5401 of 19539
What is the consensus on SA,I/O? If we tested and found a multiplier we can run at a certain volt, will playing around with SA,I/O allow us to lower vcore. Example I have 4.5 at 1.265 stable but let's say I want to lower the vcore to 1.25 vcore will messing around with SA,I/O help me get this? What effect will it have on temps? If I can boot up at 4.6 ghz at 1.365 stable for weeks w/o running stress test though but everyday use, and 4.7 ghx and vcore is 1.38 (no test just boot and web browse and watch video), will adjusting the SA, I/O allow me to shave a few volt off? I know it is suppose to be for memory stability but I keep seeing people report tuning the SA and I/O with high OC and lowering their vcore a bit. However, no one seem to have tested this thoroughly and it is sparking my curiosity.
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post #5402 of 19539
How do you add your OC to the chart.

I click all around

" Want to be in the chart above? Click this spoiler!

but nothing happens!
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post #5403 of 19539
Quote:
Originally Posted by idahosurge View Post

How do you add your OC to the chart.

I click all around

" Want to be in the chart above? Click this spoiler!

but nothing happens!

In order to be charted you need to fill out this form:

Username:
CPU Model:
Core Multiplier: [If you used Blck strap, put what Blck and mention your resulting frequency]
CPU VID: This is the CPU core voltage value you input into BIOS.
Vcore: This is the CPU Vcore reading from Hwinfo or HWMonitor under load. "Load" depends on what you're stressing.
Input Voltage:
Uncore Multiplier:
Uncore Voltage:
Cooling Solution:
Stability Test: [Any test is OK, synthetic or not. List how long test is run.]
Batch Number: [Not required but helps people.]
Ram Speed: [Timings if you know them.]

For the final picture verification column, you need to show a working picture to have it show "YES", otherwise it will be blank. The picture must contain the stress test, proof that the test was run as long as you claimed, AND it must also show HWmonitor or HWInfo's vcore reading. No, only VID will not cut it. Vcore. You do NOT need picture verification to be listed in the chart above, you only need it for the "YES" in the picture verification column.
post #5404 of 19539
Quote:
will adjusting the SA, I/O allow me to shave a few volt off?

Probably not, you should leave them default and increase if neccesary i think
Quote:
but I keep seeing people report tuning the SA and I/O with high OC

It can be mandatory for stability, particularly at high OC's, AFAIK. SA and IO voltages (all of some of them) are also different depending on the RAM you have, the settings it's at and probably the mobo
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post #5405 of 19539
Username: idahosurge
CPU Model: 4770K
Core Multiplier: 47
CPU VID: 1.33
Vcore: 1.36
Input Voltage: 1.88
Uncore Multiplier: 44
Uncore Voltage: 1.30
Cooling Solution: Thermalright Archon SB-E X2
Stability Test: OCCT CPU LDS 64 Bits - 1 hour, OCCT Linpack AVX 64 Bits - 1 hour
Batch Number: L315B341
Ram Speed: 9-11-11-31-1T @ 2400MHz




Edited by idahosurge - 11/13/13 at 12:56pm
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post #5406 of 19539
Quote:
Originally Posted by Shanenanigans View Post

Not sure how long it would take. If you want to do some quick testing, Small FFTs in prime stress CPU while Large FFTs stress RAM if I'm not mistaken.

I thought about running prime too. But since I never ran memtest86 on this build, figured might as well lol. Been 5 hours and 20 minutes. It's testing the 10-12gb part now. No errors yet. Since I won't be here to see it finish, I'll let it run overnight, if if does. Funny thing was with that bsod code, I was in the middle of gaming on a game that has NEVER crashed on me before. I did uninstall hwinfo. The code said it was the cause of it. Well blue screen view did.
post #5407 of 19539
Quote:
Originally Posted by idahosurge View Post

Username: idahosurge
CPU Model: 4770K
Core Multiplier: 47
CPU VID: 1.33
Vcore: 1.36
Input Voltage: 1.88
Uncore Multiplier: 44
Uncore Voltage: 1.30
Cooling Solution: Thermalright Archon SB-E X2
Stability Test: OCCT CPU LDS 64 Bits - 1 hour, OCCT Linpack AVX 64 Bits - 1 hour
Batch Number: L315B341
Ram Speed: 9-11-11-31-1T @ 2400MHz




That's quite high ring volts, lowish input volts but more importantly temperatures seem kinda low, are you sure you have w7 sp1 to enable avx? If you do, you'll score like 140gflops in IBT instead of 70. OCCT Linpack is the same test, basically, but doesn't show how fast you are completing it. I don't know of the other OCCT test, but linpack without AVX is way too easy to pass IMO
Edited by Cyro999 - 11/13/13 at 1:27pm
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post #5408 of 19539
Thread Starter 
Quote:
Originally Posted by idahosurge View Post

Username: idahosurge
CPU Model: 4770K
Core Multiplier: 47
CPU VID: 1.33
Vcore: 1.36
Input Voltage: 1.88
Uncore Multiplier: 44
Uncore Voltage: 1.30
Cooling Solution: Thermalright Archon SB-E X2
Stability Test: OCCT CPU LDS 64 Bits - 1 hour, OCCT Linpack AVX 64 Bits - 1 hour
Batch Number: L315B341
Ram Speed: 9-11-11-31-1T @ 2400MHz



Charted, verified for 1hr OCCT.

I recommend doing a longer test to ensure stability.

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post #5409 of 19539
Quote:
Originally Posted by Cyro999 View Post

That's quite high ring volts, lowish input volts but more importantly temperatures seem kinda low, are you sure you have w7 sp1 to enable avx? If you do, you'll score like 140gflops in IBT instead of 70. OCCT Linpack is the same test, basically, but doesn't show how fast you are completing it. I don't know of the other OCCT test, but linpack without AVX is way too easy to pass IMO

Yes Win7 is SP1.
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post #5410 of 19539
Can too much voltage (vring) cause instability, too?
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