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Slightly Confused

post #1 of 15
Thread Starter 
Hi Everyone,

I posted my first post in the intro section, so I decided I can now ask some questions with a clear conscience, lol!

I'm going to be ordering parts for my new gaming rig at the end of this month, and I'm hoping to have everything done by middle or end of September, as finances allow.

The parts I've decided on are:

i5 2500k CPU
Asus P8Z68 - V Main Board
8GB G. Skill Ripjaw 1600MHz RAM
750W PSU
Coolermaster HAF 912 Advanced
Coolermaster V6 GT Cooler
Radeon HD 6970

That's the important parts anyway. I've decided to try my hand at OCing the CPU since it's unlocked and all, and I've read a whole lot of info on this site and just googling it, but I'm still a little confused.

When I read the guide on doing the OC on the Asus boards, it says that you OC the Turbo Boost multiplier. So does that mean you leave the CPU multiplier at 33, and just up the Turbo Boost one, or am I misreading this. When my friend OC'ed his AMD BE he disabled Turbo Core and the power saving mode, and just upped the Multiplier until he got where he wanted. I thought the SB chips would be the same, but apparently I was wrong, lol!

Is there a reason why the Asus boards need the Turbo Boost on for the OC to work, and does this mean that you chip will still Idle at 1.6Ghz, but ramp up to say 4.5GHz when it is put under load? Also, I see that the guides say to set Turbo Boost to "By All Cores" or something like that, does that then make sure that all 4 cores run at 4.5GHz when under load, and not only 1 or 2?

Sorry for these noobish questions, I promise my computer knowledge is actually good, I've just never OC'ed anything and I don't want to destroy my chip when I finally get it, lol!

Thanks Guys!!
post #2 of 15
Don't apologize for basic questions, they're normal, and necessary most of the time.

The new Sandy Bridge processors overclock very simply. You just up the Turbo, leave the CPU multi at stock, and done. (well, not DONE.) This will have your CPU downclock (with speedstep on) to 1.6ghz when you are idle, to save power.
post #3 of 15
Thread Starter 
So if you do that, when you game on it, or run a benchmark, it'll shoot up to say 4.5GHZ(if you take it to that speed), and stay there whilst under load? I thought it would just operate at 3.3 since you still left it at stock, and only go to the overclocked speed when Turbo Boost kicks in?
post #4 of 15
lol.
When you try to OC one of 'em, you'll see
It is not an ASUS thing, it is a Sandy Bridge thing. The overclock is now governed by the Turbo multiplier.

Quote:
Is there a reason why the Asus boards need the Turbo Boost on for the OC to work, and does this mean that you chip will still Idle at 1.6Ghz, but ramp up to say 4.5GHz when it is put under load? Also, I see that the guides say to set Turbo Boost to "By All Cores" or something like that, does that then make sure that all 4 cores run at 4.5GHz when under load, and not only 1 or 2?
Yeah, it will Idle at 1.6Ghz (If you leave EIST on) and ramp up to whatever you set the turbo multiplier to be under load.
By All cores mean that all 4 cores will run at whatever speed you specify.
By per core gives you the option of setting different turbo multipliers for each core though quite frankly, I've never seen a person use different multipliers....

Naah, they're not noobish. Everyone here was a noob at some point and we learned (and are still learning). I still consider myself a n00b anyway
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CPUMotherboardGraphicsRAM
i5 2500K. 4.5Ghz (Summer Clocks) ASUS P8P67 Pro ( Rev 3.0 ) MSI 6970 Lightning (downclocked) CFX with MSI 6... 8GB G.Skill Sniper 1600Mhz 
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The Dark Knight
(13 items)
 
Rebirth
(13 items)
 
 
CPUMotherboardGraphicsRAM
i5 2500K. 4.5Ghz (Summer Clocks) ASUS P8P67 Pro ( Rev 3.0 ) MSI 6970 Lightning (downclocked) CFX with MSI 6... 8GB G.Skill Sniper 1600Mhz 
Hard DriveOptical DriveOSMonitor
1 TB Spinpoint F3 +2TB F4(backups) Random LG drive Win7 SP1 64bit ASUS VH236H @1080p 
KeyboardPowerCase
Saitek Gaming keyboard ... >_> Corsair TX750 Rosewill Gear x3 
CPUMotherboardGraphicsRAM
C2D P8600 @ 2.4Ghz (undervolted) Crappy dell Studio XPS one 4670M (1GB) I don't remember... 
Hard DriveOptical DriveOSMonitor
Crucial M4 4x Blu-ray ROM Win7 SP1 64bit 15.6" WLED @ 1080p 
KeyboardPower
Old Saitek Gaming Keyboard 90W adapter 
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post #5 of 15
The CPU's from what I understand operate 4 cores @ 3.3GHz. Then the CPU can disable certain cores to reach the Turbo Speed, which is 3.7GHz. If you had an overclock @ 4.5GHz (45x multi 100BCLK to simplify matters), it would be running all cores at that speed. So the Intel Core i5 overclock is just an overspeed by disabling cores, so to speak. SpeedStep throttles it down to 1.6GHz when in idle mode
post #6 of 15
While we're on the topic of multipliers. What is the highest safe multi?
     
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post #7 of 15
Quote:
Originally Posted by bigkahuna360 View Post
While we're on the topic of multipliers. What is the highest safe multi?
Methinks it's around 53 or 54?

EDIT: 57x is max (http://www.bit-tech.net/hardware/cpu...ore-i5-2500k/1)
Edited by Wabbit16 - 8/8/11 at 6:01am
post #8 of 15
Quote:
Originally Posted by Wabbit16 View Post
Methinks it's around 53 or 54?
Thanks!
     
CPUGraphicsRAMHard Drive
Intel i7 6700HQ Nvidia GTX 970m 8GB's Micron DDR4 2133 Samsung SM951 256GB m.2 SSD 
Hard DriveOSAudio
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CPUGraphicsRAMHard Drive
Intel i7 6700HQ Nvidia GTX 970m 8GB's Micron DDR4 2133 Samsung SM951 256GB m.2 SSD 
Hard DriveOSAudio
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post #9 of 15
Quote:
Originally Posted by bigkahuna360 View Post
Thanks!
No no no, you quoted me wrongly

A bit down I posted the correct number and the source
post #10 of 15
Quote:
Originally Posted by Wabbit16 View Post
No no no, you quoted me wrongly

A bit down I posted the correct number and the source
I just clicked quote I saw the other part but was just to lazy to fix it.
     
CPUGraphicsRAMHard Drive
Intel i7 6700HQ Nvidia GTX 970m 8GB's Micron DDR4 2133 Samsung SM951 256GB m.2 SSD 
Hard DriveOSAudio
Seagate 500GB SHDD Windows 10 Enterprise x64 Soundblaster X-Fi 5 
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CPUGraphicsRAMHard Drive
Intel i7 6700HQ Nvidia GTX 970m 8GB's Micron DDR4 2133 Samsung SM951 256GB m.2 SSD 
Hard DriveOSAudio
Seagate 500GB SHDD Windows 10 Enterprise x64 Soundblaster X-Fi 5 
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