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Help me settle BCLK OC for me once and for all.

post #1 of 5
Thread Starter 
OK guys so after reading, researching, and trying for hours on end i just want to end this questioning. So i have a non k i5 3570 and my goal is 4.2 ghz. I am at 4 totally stable atm. I can adjust my ratio in the bios to 42, x the 100 bclk setting. When running single core thats 4.2 ghz, but when all cores are active i get downclocked to 4.0. I just want to get to 4.1 right now, with as little risk as possible. My gpu is stable, cpu is stable, and ram is stable smile.gif. So now all i can do is bclk overclock. yes it's very limited and let me set a disclaimer before: I am 100% aware i will notice probably 0 gain from this overclock ;p i just want to see if i can reach my goal for fun, and since this is my first cpu i can play with, i just want to learn for the future. I am also aware that bclk is somewhat dangerous, since it affects more than just the cpu operating speed, though overclocking in general has some inherent risk, so what the heck ;p.

Ok with that done here is my question i just want a straightforward answer to. What is the max SAFEST bclk i can go to? I was running at 106 bclk for 30 mins under prime95. i realize that means nothing since its a short period of time but i just want to put it out there. My rig is an i5 3570, under a corsair h60, my mobo is an Asus p8z77-v lk. So as i said i want to reach atleast 4.1, preferably 4.2. My ratio is set to 42, but with the downclocking its virtually at 40. As a quick pre-question i;ve noticed most set bclk to either whole numbers or .5. Can you set it with different ones like 102.7? With simple multiplication to reach 4.1 would take a 102.7 at the least. That seems very safe but im not sure. Can i just run at 103? i've heard up to 105 is pretty good but i want to be the safest as possible pretty much. obviously 105 would let me hit 4.2 spot on, but i would rather run 105.5 so im a little bit over 4.2 Thanks!
 
Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
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Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
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Logitech C615 1080p Webcam 
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AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
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i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
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Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
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XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
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Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
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CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
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post #2 of 5
The problem with overclocking the BCLK with Ivy is that everything 'else' is also being OC'ed which could potentially damage the system e.g. PCIe, fsb, memory, etc. However, I'd say that 102Mhz shouldn't be much of a problem for everyday usage.

The people that take it that high usually do it for benches, but just that.
post #3 of 5
Thread Starter 
Quote:
Originally Posted by Ali Man View Post

The problem with overclocking the BCLK with Ivy is that everything 'else' is also being OC'ed which could potentially damage the system e.g. PCIe, fsb, memory, etc. However, I'd say that 102Mhz shouldn't be much of a problem for everyday usage.

The people that take it that high usually do it for benches, but just that.

OK Thanks! So can i run it at 102.7-8 bclk or can i go to 103?
Edited by willll162904 - 11/6/13 at 1:56pm
 
Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
CoolingPowerCaseOther
Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
CoolingPowerCaseOther
Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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Reply
post #4 of 5
Quote:
Originally Posted by willll162904 View Post

So can i run it at 102.7-8 bclk or can i go to 103?

Are you running a nuclear reactor with your computer or are you playing some video games? No one can guarantee you anything. Every computer is a unique collection of parts so one computer might run 100% stable at 103 MHz while another one might get unstable at 101 MHz or 102 MHz. For me, a couple of percent increase in performance isn't worth the risk of a random crash or something random getting written to my hard drive.
post #5 of 5
Quote:
Originally Posted by willll162904 View Post


OK Thanks! So can i run it at 102.7-8 bclk or can i go to 103?

You can try, but I couldn't run mine at 101.8 on max load without the vid drivers crashing.
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