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Losing network speed when overclocking CPU and RAM

post #1 of 8
Thread Starter 
  • When I OC my CPU using Gigabyte's easytune 6 to the mid level (yellow, 4.2 Ghz I think) and use the XMP profile 1 setting for the RAM at 2333 everything works fine and everything is stable except my network throughput. I tested it last night and with the overclocked settings I'm getting 1200 kb/sec. With no overclocking, I'm getting 45,000 kb/sec or better. I'm using Charter's ultimate cable internet so I should be getting about 50Gb/sec download.

    Why would overclocking kill my network throughput?


  • Are you able to reproduce this problem consistently?
    Absolutely, have tried to overclock several times and lose network throughput each time.

  • What steps did you take to reproduce this problem?
    Set overclock settings, reboot, test internet speeds. Remove overclocking, test internet speeds.

  • What action did you expect to occur when this bug appeared?
    I expected to have the same internet speed regardless of CPU and RAM overclocking.

  • Any additional information that will help us diagnose the issue:
    I just built a new rig with the following equipment:
    1 x GIGABYTE GA-X79-UD3 LGA 2011 Intel X79 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
    1 x CORSAIR Hydro Series H100i Water Cooler
    1 x Intel Core i7-3820 Sandy Bridge-E 3.6GHz (3.8GHz Turbo Boost) LGA 2011 130W Quad-Core Desktop Processor BX80619i73820
    1 x SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)
    1 x COOLER MASTER HAF 922 RC-922M-KKN3-GP Black Steel + Plastic and Mesh Bezel ATX Mid Tower Computer Case with USB ...
    1 x Western Digital WD Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
    1 x G.SKILL Ripjaws X Series 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9Q-

    I have flashed the BIOS to the current version and all firmware and drivers are up to date.
  • Browser, active browser addons, and operating system:
    Windows 7 SP1 all updates installed
    IE 10
    Firefox
    Flash player
    Shockwave player

  • URL where the issue occurs:


post #2 of 8
Quote:
Originally Posted by O3Chaos View Post

  • When I OC my CPU using Gigabyte's easytune 6 to the mid level (yellow, 4.2 Ghz I think) and use the XMP profile 1 setting for the RAM at 2333 everything works fine and everything is stable except my network throughput. I tested it last night and with the overclocked settings I'm getting 1200 kb/sec. With no overclocking, I'm getting 45,000 kb/sec or better. I'm using Charter's ultimate cable internet so I should be getting about 50Gb/sec download.

    Why would overclocking kill my network throughput?


  • Are you able to reproduce this problem consistently?
    Absolutely, have tried to overclock several times and lose network throughput each time.

  • What steps did you take to reproduce this problem?
    Set overclock settings, reboot, test internet speeds. Remove overclocking, test internet speeds.

  • What action did you expect to occur when this bug appeared?
    I expected to have the same internet speed regardless of CPU and RAM overclocking.

  • Any additional information that will help us diagnose the issue:
    I just built a new rig with the following equipment:
    1 x GIGABYTE GA-X79-UD3 LGA 2011 Intel X79 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
    1 x CORSAIR Hydro Series H100i Water Cooler
    1 x Intel Core i7-3820 Sandy Bridge-E 3.6GHz (3.8GHz Turbo Boost) LGA 2011 130W Quad-Core Desktop Processor BX80619i73820
    1 x SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)
    1 x COOLER MASTER HAF 922 RC-922M-KKN3-GP Black Steel + Plastic and Mesh Bezel ATX Mid Tower Computer Case with USB ...
    1 x Western Digital WD Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
    1 x G.SKILL Ripjaws X Series 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9Q-

    I have flashed the BIOS to the current version and all firmware and drivers are up to date.
  • Browser, active browser addons, and operating system:
    Windows 7 SP1 all updates installed
    IE 10
    Firefox
    Flash player
    Shockwave player

  • URL where the issue occurs:



Try OCing using the BIOS instead of the software utility. Then test your OC, then test for network throughput.
post #3 of 8
Try doing a manual overclock instead of using easytune. Excess voltage could cause your CPU to throttle... but on a dual 120mm AIO, I doubt it.

Also, try a mild OC and see if you get the same slowdown. When I OC past 3.8ghz on my Asus AM3 mobo, alot of the "auto" settings like cool'n'quiet, fan speeds, voltages etc stop working. Your board might automatically be changing some LAN or internet settings whenever you OC.


Besides that, sounds like it could be a software problem. Some antivirus programs literally cut my network speed in half, or some bloatware running in the background could be eating up your CPU/network resources once you OC. Booting into a different OS (say, an Linux CD or partition) and running speedtest could completely rule out a software issue.


Also, welcome to OCN!
Bruce
(20 items)
 
  
CPUMotherboardGraphicsRAM
4670k Asus Z87 Pro HIS 7950 IceQ X2 2x2gb + 2x4gb DDR3 1333 
Hard DriveHard DriveHard DriveOptical Drive
Seagate 1TB 7200RPM OCZ Agility 4 128GB PNY 240GB LG Blu Ray Burner 
CoolingOSMonitorKeyboard
Hyper 212+ with extra fan Windows 10 Education x64 Shimian QH270 @110hz Medieval Dell OEM Keyboard 
PowerCaseMouseAudio
Corsair TX750 V1 Antec 300 Black Illusion  Logitech G400s Xonar ST 
AudioOtherOtherOther
Fostex T50rp with BMF mod Archer T9E Wifi adapter 2x Yate Loon D12SL-12D 120x38mm fans Thermalright TY-143 fan 
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Bruce
(20 items)
 
  
CPUMotherboardGraphicsRAM
4670k Asus Z87 Pro HIS 7950 IceQ X2 2x2gb + 2x4gb DDR3 1333 
Hard DriveHard DriveHard DriveOptical Drive
Seagate 1TB 7200RPM OCZ Agility 4 128GB PNY 240GB LG Blu Ray Burner 
CoolingOSMonitorKeyboard
Hyper 212+ with extra fan Windows 10 Education x64 Shimian QH270 @110hz Medieval Dell OEM Keyboard 
PowerCaseMouseAudio
Corsair TX750 V1 Antec 300 Black Illusion  Logitech G400s Xonar ST 
AudioOtherOtherOther
Fostex T50rp with BMF mod Archer T9E Wifi adapter 2x Yate Loon D12SL-12D 120x38mm fans Thermalright TY-143 fan 
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post #4 of 8
Thread Starter 
Thanks for the advice and the welcom. I like your STIG avatar. He rocks. I've never overclocked before which is why I was using the software. I'll put some research into how to do it and try a manual overclock.
post #5 of 8
Thread Starter 
Thanks for the advice. I've never overclocked before which is why I was using the software. I'll put some research into how to do it and try a manual overclock.
post #6 of 8
Quote:
Originally Posted by O3Chaos View Post

Thanks for the advice. I've never overclocked before which is why I was using the software. I'll put some research into how to do it and try a manual overclock.

You've come to the right place!

http://www.overclock.net/t/1189242/sandy-bridge-e-overclocking-guide-walk-through-explanations-and-support-for-all-x79-overclockers


Also, if you have a spare blank CD lying around, you should download and burn an Ubuntu CD. You can boot into the OS without even installing it, and test your network speed with/without an OC. That way, you can either rule out Windows/software entirely, or rule out a hardware/BIOS problem entirely.
Bruce
(20 items)
 
  
CPUMotherboardGraphicsRAM
4670k Asus Z87 Pro HIS 7950 IceQ X2 2x2gb + 2x4gb DDR3 1333 
Hard DriveHard DriveHard DriveOptical Drive
Seagate 1TB 7200RPM OCZ Agility 4 128GB PNY 240GB LG Blu Ray Burner 
CoolingOSMonitorKeyboard
Hyper 212+ with extra fan Windows 10 Education x64 Shimian QH270 @110hz Medieval Dell OEM Keyboard 
PowerCaseMouseAudio
Corsair TX750 V1 Antec 300 Black Illusion  Logitech G400s Xonar ST 
AudioOtherOtherOther
Fostex T50rp with BMF mod Archer T9E Wifi adapter 2x Yate Loon D12SL-12D 120x38mm fans Thermalright TY-143 fan 
  hide details  
Reply
Bruce
(20 items)
 
  
CPUMotherboardGraphicsRAM
4670k Asus Z87 Pro HIS 7950 IceQ X2 2x2gb + 2x4gb DDR3 1333 
Hard DriveHard DriveHard DriveOptical Drive
Seagate 1TB 7200RPM OCZ Agility 4 128GB PNY 240GB LG Blu Ray Burner 
CoolingOSMonitorKeyboard
Hyper 212+ with extra fan Windows 10 Education x64 Shimian QH270 @110hz Medieval Dell OEM Keyboard 
PowerCaseMouseAudio
Corsair TX750 V1 Antec 300 Black Illusion  Logitech G400s Xonar ST 
AudioOtherOtherOther
Fostex T50rp with BMF mod Archer T9E Wifi adapter 2x Yate Loon D12SL-12D 120x38mm fans Thermalright TY-143 fan 
  hide details  
Reply
post #7 of 8
Quote:
Originally Posted by brucethemoose View Post

You've come to the right place!

http://www.overclock.net/t/1189242/sandy-bridge-e-overclocking-guide-walk-through-explanations-and-support-for-all-x79-overclockers


Also, if you have a spare blank CD lying around, you should download and burn an Ubuntu CD. You can boot into the OS without even installing it, and test your network speed with/without an OC. That way, you can either rule out Windows/software entirely, or rule out a hardware/BIOS problem entirely.

Great advice! I can't believe I haven't thought of doing that, ever!
post #8 of 8
Moved to Intel - general. smile.gif
    
CPUMotherboardGraphicsRAM
3570k GA-Z77MX-D3H Palit Jetstream 680 4GB 4 X 2GB G.Skill Ripjaws X (1600MHz/CAS8 @ 1.5v) 
Hard DriveCoolingOSMonitor
60GB Corsair Force + 2TB RAID0 + 500GB Antec Kühler 620 w/AP-14 Windows 7 Professional x64 Dell U2711 (2560 x 1440) 
KeyboardPowerCaseMouse
Filco Majestouch (MX Blues) Corsair HX650 Lian Li PC-U6B Razer Deathadder 3.5G 
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CPUMotherboardGraphicsRAM
3570k GA-Z77MX-D3H Palit Jetstream 680 4GB 4 X 2GB G.Skill Ripjaws X (1600MHz/CAS8 @ 1.5v) 
Hard DriveCoolingOSMonitor
60GB Corsair Force + 2TB RAID0 + 500GB Antec Kühler 620 w/AP-14 Windows 7 Professional x64 Dell U2711 (2560 x 1440) 
KeyboardPowerCaseMouse
Filco Majestouch (MX Blues) Corsair HX650 Lian Li PC-U6B Razer Deathadder 3.5G 
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Reply
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