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Question about BCLK

post #1 of 5
Thread Starter 
I'm going to OC according to this guide: http://www.bit-tech.net/hardware/cpu...ore-i5-2500k/4

Is it recommended to change the BCLK like they do in that guide? Is it true that it should never exceed 100.9MHz?
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The Winboat
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post #2 of 5
I got 4.8 GHz without adjusting my BCLK at all.

However, if you want to adjust the BCLK (which is not really necessary), then try to avoid exceeding like 105, 106, or 107 MHz. 100.9 MHz is an extremely tiny increase.
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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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... 
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post #3 of 5
I wouldn't touch it with Sandybridge dude - there's no real need to change it with an unlocked multiplier anyway. The highest I've ever seen it was 111MHz but bare in mind that the BCLK directly affects PCI and RAM speeds.
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[i7 2600k - 5.XGHz @ X.XXv] [ASUS P8P67 Pro B3] [2x MSI 7970s in Crossfire @ 1125/1650] [8GB G.Skill Ripjaws X 2x4GB] 
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My System
(17 items)
 
  
CPUMotherboardGraphicsRAM
[i7 2600k - 5.XGHz @ X.XXv] [ASUS P8P67 Pro B3] [2x MSI 7970s in Crossfire @ 1125/1650] [8GB G.Skill Ripjaws X 2x4GB] 
Hard DriveHard DriveCoolingCooling
[2TB Hitachi] [Crucial M4 SSD 64GB] [Antec Kuhler H20 920] [Lian-Li BZ BZ-502B] 
CoolingOSMonitorKeyboard
[G.Skill Turbulence II RAM Cooler] [Windows 7 Ultimate 64bit] [2x BenQ XL2410T @ 120Hz] [Razer Lycosa] 
PowerCaseMouseMouse Pad
[Corsair AX1200] [Silverstone Raven RV02-EW] [Razer DeathAdder] [Razer Goliathus] 
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post #4 of 5
I wouldn't modify the BCLK for a normal overclock, if you're benching and trying to find your max possible overclock then go for it but for everyday usage you'll want to leave it alone. Too many other system components are tied to your BCLK and might not work if you change it. Besides, the gain is minimal, you might gain a few dozen megahertz at best which isn't going to help you a bit in real-world usage.
post #5 of 5
Thread Starter 
Gotcha. Thanks guys.
The Winboat
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K @ 4.4GHz GA-Z68A-D3H-B3 Sparkle GTX 570 1280MB OC Corsair 2x4GB 1333MHz 
Hard DriveOptical DriveOSMonitor
Samsung 1TB Spinpoint F3 LG GH22NS70 Windows 7 x64 Dell 2209WA 
PowerCaseMouseMouse Pad
Silverstone Strider 600W Silverstone Precision Logitech MX518 SteelSeries QcK Mini 
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The Winboat
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K @ 4.4GHz GA-Z68A-D3H-B3 Sparkle GTX 570 1280MB OC Corsair 2x4GB 1333MHz 
Hard DriveOptical DriveOSMonitor
Samsung 1TB Spinpoint F3 LG GH22NS70 Windows 7 x64 Dell 2209WA 
PowerCaseMouseMouse Pad
Silverstone Strider 600W Silverstone Precision Logitech MX518 SteelSeries QcK Mini 
  hide details  
Reply
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