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epic LLC on or off thread

Poll Results: LCC on or off

 
  • 60% (21)
    On
  • 11% (4)
    Off
  • 28% (10)
    i don't know
35 Total Votes  
post #1 of 24
Thread Starter 
seems where ever you go people are arguing for LLC and there are people arguing against LLC.

what is the consensus?

this was taken from SIN0822's thread (http://www.overclock.net/intel-general/910467-ultimate-sandy-bridge-oc-guide-p67a.html):
Quote:
Load Line Calibration or Vdroop control is a setting that eliminates/reduces processor voltage droop under load and in many extreme cases many reverse voltage droop. Voltage droop is there so that under load conditions where current (amperage) is increased the processor stays within TDP (Thermal Design Power). There is also vdrop which is implemented by the motherboard manufacturer, vdrop is there and it drops every voltage on the board from what is set in BIOS, no matter the load. LLC can reverse Vdroop and Vdrop in many cases.

Let me explain.
Voltage x Amperage = Wattage.

As you can see in the table above there is a TDC and a TDP. Now TDP is max heat output of the processor (wattage), let’s say we stick within Icc (current/amperage) of 85amps at load. 85amps x voltage=95watts (TDP). So If voltage is increased for overclocking, then at idle the processor needs to droop the voltage so that amperage x voltage doesn’t exceed TDP, you do not want to drop amperage because it is almost all the power (plus you don’t have control over it), voltage is nothing but a signal without amperage behind it. Of course with Sandy Bridge you can set the upper limit on TDP and TDC and you won’t push that much amperage until critical point, plus Sandy Bridge can exceed TDP on its own.

Many people are 100% against LLC and many are 100% for it, I sit on the fence as I find it useful, and haven’t killed a processor from it, but other things can occur and the life span of the processor will be reduced by too much voltage, with or without LLC. LLC will improve stability, please read the lesson that I learned with 1.5+V on Sandy Bridge.
liger-zero
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liger-zero
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post #2 of 24
It should depend on the motherboard. With higher quality motherboards, it should be 100% safe. But with lower quality motherboards, it's questionable.
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It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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post #3 of 24
Quote:
Originally Posted by TwoCables;12016646 
It should depend on the motherboard. With higher quality motherboards, it should be 100% safe. But with lower quality motherboards, it's questionable.

I like TwoCables. He seems to know his stuff.

I guess that's why his rep is through the roof.
post #4 of 24
Quote:
Originally Posted by fliq;12016658 
I like TwoCables. He seems to know his stuff.

I guess that's why his rep is through the roof.
If it weren't for OCN, then I wouldn't know anything at all when it comes to posting things that are helpful to any OCN member. redface.gif
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #5 of 24
Quote:
Originally Posted by TwoCables;12016676 
If it weren't for OCN, then I wouldn't know anything at all when it comes to posting things that are helpful to any OCN member. redface.gif

Yah, this place is great. I'd give you rep but you have enough:(
post #6 of 24
Quote:
Originally Posted by fliq;12016739 
Yah, this place is great. I'd give you rep but you have enough:(
Tehehe you're too much. smile.gif
It's a computer!
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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #7 of 24
hehe, I'm inclined to agree with TC.

I run LLC on every motherboard I have, including 45nm chips. So I voted yes.

I also do the vdroop pencil mod where applicable.
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post #8 of 24
Quote:
Originally Posted by jam3s;12016775 
hehe, I'm inclined to agree with TC.

I run LLC on every motherboard I have, including 45nm chips. So I voted yes.

I also do the vdroop pencil mod where applicable.
hehe tongue.gif

It was just something that someone told me somewhere here on OCN. Ever since then, everything has made sense to me. I mean, it had something to do with the quality of the capacitors, or some other components on the higher quality motherboards which make it perfectly safe to use LLC, while the lower quality boards may or may not have good enough components. Or something like that.
It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #9 of 24
It does depend on the motherboard. If you turn LLC off it can cause voltage spike and kill your chip. I have a i7 rig here I run at 4.2 with LLC off and a EVGA E760 never had any troubles.
Frank
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Dominatrix
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Frank
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Dominatrix
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post #10 of 24
Quote:
Originally Posted by robbo2;12016802 
It does depend on the motherboard. If you turn LLC off it can cause voltage spike and kill your chip. I have a i7 rig here I run at 4.2 with LLC off and a EVGA E760 never had any troubles.
You mean that the micro spikes can occur with LLC on, right? biggrin.gif
It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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