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i5-2500k Overclocking

post #1 of 3
Thread Starter 
Hi all,

I've recently built myself a new rig, specs in my sig. What I need to do though, is get a decent for my 2500k, with the lowest possible voltage (isn't that always the goal ).

Problem is, this is my first Sandy Bridge CPU, so I'm not sure on how best to go about it. I've had an initial stab, using the auto settings in the Sabertooth's BIOS, setting the multiplier to 43. Runs like a dream, with load temps never going above 59 according to the AI suite thermal sensors. However, I'm sure that it's using a higher voltage than required (ASUS auto settings tend to push things a bit higher than is necessary), and I'm also sure that I could get it higher.

Is there a decent guide somewhere that explains all of the more advanced overclocking parameters. VCore I'm comfortable with, but LLC, and Offsets and all the other stuff that I have encountered while browsing this forum have left me a little confused.

I'm not looking for bleeding edge clock speeds at all, but I would like my CPU to be pushed close to it's potential, so that my 2 GTX570's get the best service possible from the CPU.

Please help?
JHB Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k ASUS Sabertooth P67 2x GTX570 8GB Corsair Dominator 
Hard DriveOptical DriveOSMonitor
Corsair X128 SSD (System), 2xSeagate 500GB (Data) DVD-RW Windows 7 Home Premium 64bit Samsung BX2450 
KeyboardPowerCaseMouse
Logitech G510 Antec Quattro 1000W Modular Coolermaster HAF-X Razer Lachesis 5600 
Mouse Pad
Razer Goliathus Control Edition 
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JHB Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k ASUS Sabertooth P67 2x GTX570 8GB Corsair Dominator 
Hard DriveOptical DriveOSMonitor
Corsair X128 SSD (System), 2xSeagate 500GB (Data) DVD-RW Windows 7 Home Premium 64bit Samsung BX2450 
KeyboardPowerCaseMouse
Logitech G510 Antec Quattro 1000W Modular Coolermaster HAF-X Razer Lachesis 5600 
Mouse Pad
Razer Goliathus Control Edition 
  hide details  
Reply
post #2 of 3
P67 Sandy Bridge Overclocking Guide For Beginners

For me LLC is the best at "Ultra high", which is one step down from the highest LLC available. It provides the most stable vcore and doesn't spike/droop, which on lower settings it will droop and on the highest ("Extreme" IIRC) it would spike.
FreeNAS
(9 items)
 
Beast
(14 items)
 
Alura :)
(11 items)
 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1245 v5 SuperMicro X11SSM-F-O C236 Integrated 2 x 16GB Kingston ValueRAM ECC KVR21E15D8/16 
Hard DriveCoolingOSPower
5 x 8TB Seagate IronWolf Pro in ZF2 Array CoolerMaster Hyper 212 Evo FreeNAS 11 EVGA SuperNOVA G2 550W Gold 
Case
Fractal Design Node 804 
CPUMotherboardGraphicsRAM
i7 4790k Asus Z97 Pro WIFI-AC Sapphire Nitro Radeon R9 Fury Tri-X OC+  G.Skill 4 x 8GB F3-2133C9D-16GXH 
Hard DriveOptical DriveCoolingOS
2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
MonitorKeyboardPowerCase
Pixio PX277 Logitech G510 Seasonic SS-660XP2 Fractal Design R4 Blackout 
MouseMouse Pad
Logitech G500 Xtrac Ripper 
CPUMotherboardGraphicsRAM
i5 2500k Asus P8Z68-V Pro MSI R7970 Lightning BE 2 x 4GB G.Skill Ripjaws 2133mhz 
Hard DriveOptical DriveCoolingOS
Mushkin Enhanced Chronos 240GB and WD Black 1TB Asus DRW-24B1ST Cooler Master Hyper 212 EVO Windows 7 Ultimate x64 
MonitorPowerCase
Hannspree 24 inch Thermaltake Tough Power TP-750P 750W Gold Cooler Master HAF 932 
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FreeNAS
(9 items)
 
Beast
(14 items)
 
Alura :)
(11 items)
 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1245 v5 SuperMicro X11SSM-F-O C236 Integrated 2 x 16GB Kingston ValueRAM ECC KVR21E15D8/16 
Hard DriveCoolingOSPower
5 x 8TB Seagate IronWolf Pro in ZF2 Array CoolerMaster Hyper 212 Evo FreeNAS 11 EVGA SuperNOVA G2 550W Gold 
Case
Fractal Design Node 804 
CPUMotherboardGraphicsRAM
i7 4790k Asus Z97 Pro WIFI-AC Sapphire Nitro Radeon R9 Fury Tri-X OC+  G.Skill 4 x 8GB F3-2133C9D-16GXH 
Hard DriveOptical DriveCoolingOS
2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
MonitorKeyboardPowerCase
Pixio PX277 Logitech G510 Seasonic SS-660XP2 Fractal Design R4 Blackout 
MouseMouse Pad
Logitech G500 Xtrac Ripper 
CPUMotherboardGraphicsRAM
i5 2500k Asus P8Z68-V Pro MSI R7970 Lightning BE 2 x 4GB G.Skill Ripjaws 2133mhz 
Hard DriveOptical DriveCoolingOS
Mushkin Enhanced Chronos 240GB and WD Black 1TB Asus DRW-24B1ST Cooler Master Hyper 212 EVO Windows 7 Ultimate x64 
MonitorPowerCase
Hannspree 24 inch Thermaltake Tough Power TP-750P 750W Gold Cooler Master HAF 932 
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Reply
post #3 of 3
Thread Starter 
Thanks mate, that article will definitely do for a start. Although, it doesn't really talk about LLC at all, and I have a feeling that it's something I'll need to use when going for higher overclocks. Anywhere I can get some more detail on this?
JHB Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k ASUS Sabertooth P67 2x GTX570 8GB Corsair Dominator 
Hard DriveOptical DriveOSMonitor
Corsair X128 SSD (System), 2xSeagate 500GB (Data) DVD-RW Windows 7 Home Premium 64bit Samsung BX2450 
KeyboardPowerCaseMouse
Logitech G510 Antec Quattro 1000W Modular Coolermaster HAF-X Razer Lachesis 5600 
Mouse Pad
Razer Goliathus Control Edition 
  hide details  
Reply
JHB Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k ASUS Sabertooth P67 2x GTX570 8GB Corsair Dominator 
Hard DriveOptical DriveOSMonitor
Corsair X128 SSD (System), 2xSeagate 500GB (Data) DVD-RW Windows 7 Home Premium 64bit Samsung BX2450 
KeyboardPowerCaseMouse
Logitech G510 Antec Quattro 1000W Modular Coolermaster HAF-X Razer Lachesis 5600 
Mouse Pad
Razer Goliathus Control Edition 
  hide details  
Reply
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