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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 15

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post #141 of 9601
Quote:
Originally Posted by XxAlbertoxX View Post

Interesting. that makes sense.
How the hell do all of you post pictures with a 45 or 47 ratio with offset +0.05 and voltages at load less than <1.300??
I put the ratio at 37, which is a WEAK overclock, and my voltage skyrockets....................
I'll try doing the negative offset.
Does anyone else have the 2600k i7 here? My voltage in BIOS with everything stock registered at 1.160-168 as default. Does this seem right?
How come the max voltage for the 2600k is still not listed? and why does the intel official site list it as 72C tmax but this tutorial say 85C?
http://ark.intel.com/products/52214/Intel-Core-i7-2600K-Processor-%288M-Cache-3_40-GHz%29

Yes @ stock 3.3ghz my 2500k is around the same voltage, 1.160-1.168

When you raise you multi to 37 where are seeing the 1.296-1.3v? In cpu-z?

I think people are having around 1.3v in cpu-z w/ a +0.005 offset not a +0.05 offset. I would think by setting up your offset at the lowest positive offset it will give you an idea of where voltages are at. Then you can go from there

What max vcore do you get in cpu-z with a 37 multi and a +0.005 offset (lowest positive offset)

Are you settings in bios similar to turtely's bios shots or my settings i have listed in my post?
Edited by Lucky 23 - 3/24/12 at 6:05pm
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post #142 of 9601
Quote:
Originally Posted by XxAlbertoxX View Post

Interesting. that makes sense.
How the hell do all of you post pictures with a 45 or 47 ratio with offset +0.05 and voltages at load less than <1.300??
I put the ratio at 37, which is a WEAK overclock, and my voltage skyrockets....................
http://ark.intel.com/products/52214/Intel-Core-i7-2600K-Processor-%288M-Cache-3_40-GHz%29

No idea. I don't know why people would even want to use LLC unless they are unstable at idle. I use LLC level 5 (i.e., the lowest for Asrock) and a -.060 offset for a 45 multi, all C states enabled. I stress test this system with Prime 95 version 27.4, which uses AVX instructions and thus is a more stringent stability test. Load ranges from 1.232 to 1.256 mostly, with it hanging around 1.240-1.248. I've never paid any attention to VID--it just doesn't actually seem helpful (tells me to get my vcore way too high), and I don't know why people use it as a guide of any sort. Perhaps it's more useful for most chips/mobos, and just not mine.
post #143 of 9601
Quote:
Originally Posted by ElDictator View Post

No idea. I don't know why people would even want to use LLC unless they are unstable at idle. I use LLC level 5 (i.e., the lowest for Asrock) and a -.060 offset for a 45 multi, all C states enabled. I stress test this system with Prime 95 version 27.4, which uses AVX instructions and thus is a more stringent stability test. Load ranges from 1.232 to 1.256 mostly, with it hanging around 1.240-1.248. I've never paid any attention to VID--it just doesn't actually seem helpful (tells me to get my vcore way too high), and I don't know why people use it as a guide of any sort. Perhaps it's more useful for most chips/mobos, and just not mine.
Quote:
Originally Posted by Lucky 23 View Post

Yes @ stock 3.3ghz my 2500k is around the same voltage, 1.160-1.168
When you raise you multi to 37 where are seeing the 1.296-1.3v? In cpu-z?
I think people are having around 1.3v in cpu-z w/ a +0.005 offset not a +0.05 offset. I would think by setting up your offset at the lowest positive offset it will give you an idea of where voltages are at. Then you can go from there
What max vcore do you get in cpu-z with a 37 multi and a +0.005 offset (lowest positive offset)
Are you settings in bios similar to turtely's bios shots or my settings i have listed in my post?

I'm following every detail that the thread owner (kennyparker) listed in page 1 of this thread....
post #144 of 9601
Quote:
Originally Posted by ElDictator View Post

No idea. I don't know why people would even want to use LLC unless they are unstable at idle. I use LLC level 5 (i.e., the lowest for Asrock) and a -.060 offset for a 45 multi, all C states enabled. I stress test this system with Prime 95 version 27.4, which uses AVX instructions and thus is a more stringent stability test. Load ranges from 1.232 to 1.256 mostly, with it hanging around 1.240-1.248. I've never paid any attention to VID--it just doesn't actually seem helpful (tells me to get my vcore way too high), and I don't know why people use it as a guide of any sort. Perhaps it's more useful for most chips/mobos, and just not mine.

I don't know.

I think the tutorial is somewhat deceiving because he wrote "OK , try upp'ing your max ratio by 1 with a +0.005 offset and rebooting and seeing if you can boot into windows... THE GOAL HERE IS TO SEE THE MAX RATIO YOU CAN ATTAIN WHILE ON STOCK VOLTAGE"..

but that's not true, because when you up the frequency, you raise the vcore automatically. Or he didn't specify proper instructions.

I mean, hell, I went from 34 ratio to just 37 ratio and my vcore shot up to 1.3 from a 1.160 vcore.

I could only imagine the less intelligent people on this forum who listen to this thread and jump up their ratio to 4ghz or higher, and their vcore would probably easily exceed 1.5v.....rolleyes.gif

Sigh

I just wish this people who write tutorial threads would explain things better, I knew right away what was up, but not everyone is going to know that....


*This is my first time with an AsRock board and intel CPU so I'm def. not used to the offset voltage thing. I 'm used to just typing in my desired voltage per my AMD CPU"s.
post #145 of 9601
Lucky,
Thanks again for the info! I understood from your first reply to my query. I have no problem with the VCore increasing as it has to as frequency increases.

I think the thread was called "Overclocking your Sandy Bridge" or something like that where the author suggest's adjusting your VCore to be close to CPUZ VID.



XxAlbertoxX,
I set my VCore to 0.050 which the guide in this thread suggest's. However, I saw other's were setting their's at 0.005 instead so that's what I used.

Quote from the guide on VCore voltage: Link to guide
Master Control; this controls how much voltage your chip gets.
CPU Core Voltage: Offset Mode
Offset Voltage: (Set this to 0.05v for right now)

I'm not sure if the author means 0.050 volts or not but mine is working fine with 0.005.

EDIT: I see you posted while I was typing this in. Lol!


ElDictator,
Interesting! I may have to try your settings to see what I get.
What are your CPU temps when maxed out with prime?

Can you fill in your system build so we can view your hardware?
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post #146 of 9601
Quote:
Originally Posted by XxAlbertoxX View Post

I don't know.
I think the tutorial is somewhat deceiving because he wrote "OK , try upp'ing your max ratio by 1 with a +0.005 offset and rebooting and seeing if you can boot into windows... THE GOAL HERE IS TO SEE THE MAX RATIO YOU CAN ATTAIN WHILE ON STOCK VOLTAGE"..
but that's not true, because when you up the frequency, you raise the vcore automatically. Or he didn't specify proper instructions.
I mean, hell, I went from 34 ratio to just 37 ratio and my vcore shot up to 1.3 from a 1.160 vcore.
I could only imagine the less intelligent people on this forum who listen to this thread and jump up their ratio to 4ghz or higher, and their vcore would probably easily exceed 1.5v.....rolleyes.gif
Sigh
I just wish this people who write tutorial threads would explain things better, I knew right away what was up, but not everyone is going to know that....
*This is my first time with an AsRock board and intel CPU so I'm def. not used to the offset voltage thing. I 'm used to just typing in my desired voltage per my AMD CPU"s.

I understand you frustration, i think overclocking these sandy bridge cpu's are a little bit more complicated then my old 775 board.

Ok well i would try typing in the exact same settings as the guide w/ a 45 multi and a +0.005 offset (this should be the lowest positive offset in bios) and see where you vcore is at in cpu-z @ full load. Since most people are at a 45 multi i would think you would be able to see how close you are to us.

These are my settings when i was overclocking today which are similar to the guide
CPU ratio 45
Internal PLL disabled
Intel Speed step Enabled
Short duration 250
Long duration 250
Long duration (sec.) 1
Additional turbo voltage Auto
Core Current limit 200
BLCK 100.00
Spread Spectrum disabled
Power savings disabled
Offset Mode w/ +0.015
Dram voltage 1.499 (9-9-9-24)
LLC Level 3 ( 5 is lowest & 1 is highest)
All other voltages on auto
C1e Enabled
C3 disabled
C6 Disabled
C state support Auto
Edited by Lucky 23 - 3/24/12 at 7:03pm
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post #147 of 9601
Quote:
Originally Posted by Turtley View Post

ElDictator,
Interesting! I may have to try your settings to see what I get.
What are your CPU temps when maxed out with prime?
Can you fill in your system build so we can view your hardware?

Oops, thought I had done that but apparently didn't finish the process.

I just ran a few quick tests at length 8k (hottest) using most of my ram. Ambient is 23-24C.

Using Prime 26.6:
Vcore mostly at 1.224, followed by 1.216, then 1.232, then 1.208, and one spike at 1.240. It hit 1.264 at "unload," i.e., when I stopped the test (turbo voltage maybe?).
Hottest core (Core 3) stayed around 62C with a max of 65C.

Using Prime 27.4:
As described above, Vcore at 1.240, then 1.248, 1.232, 1.256, 1.224, and 1.264 maybe.
Hottest core (Core 3) stayed around 67C with a max of 75C.

Additional turbo voltage is "auto," all states enabled, spread spectrum disabled, PLL Overvoltage disabled, PLL @ 1.750, VTT @ 1.057. Following the guide, all power limits are at 300 or something. LLC 5, -.06 offset. Idle voltage gets as low as .888, never had a BSOD or issue at idle.

Without offset, my Vcore in 26.6 is around 1.280-1.288. Hitting 1.30 with a higher LLC seems very reasonable to me.

Regarding stock settings, each 2500k has a stock Vcore for every single multiplier--there is no single stock Vcore. Adding a .005 offset is essentially running at "stock" for each multiplier, but as has been noted, upping the multiplier still ups the Vcore because of the different stock settings for each multiplier. It's definitely counterintuitive at first to think of a "stock" Vcore that changes.
post #148 of 9601
^ Thanks for the info! ^

I'm still learning over clocking as I've never done it before.

Could you list your settings like Lucky did above so I or other's can try your settings?


With my BIOS settings from the previous page I get a max temp of 71c with ambient at 23c with an average temp of 65c to 68c.
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post #149 of 9601
Here are the settings. I failed to specify, but everything I didn't list above was set to auto/default. I started with this guide to get my feet wet, and I've since been following the Sandy Stable Club guide, which has some great info too. Unfortunately, my computer bluescreened (code 101: more Vcore) after only a couple hours of prime 27.4 last night. It always goes for a few hours (previously 4 or 6); this is the first time I've had that 101 BSOD instead of 124.

CPU ratio 45
Internal PLL Overvoltage disabled
Intel Speed step Enabled
Short duration 300
Long duration 300
Long duration (sec.) 1
Additional turbo voltage Auto
Core Current limit 300
BLCK 100.00
Spread Spectrum disabled
Power savings disabled
Offset Mode -0.060 (now -.055)
Dram voltage Auto [ 1.529 (9-9-9-24]
LLC Level 5 ( 5 is lowest & 1 is highest)
PLL: 1.750
VTT: 1.057
C1e Enabled
C3 Enabled
C6 Enabled
C state support Auto

Edit: Bios is 1.20.
Edited by ElDictator - 3/25/12 at 5:22am
post #150 of 9601
Thread Starter 
First, +0.05v was a huge typo mistake and will be changed. I meant the lowest possible +offset.

Second, I always thoughts that offset would only change the voltage you would get with all stock settings. I wasn't aware it also changed per each multiplier. I may have to fix this part up.
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