How to Go Back to Normal After Overclocking
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04-09-201310:13 PM #1
ROG Enthusiast Array Thum8er PC Specs
Thum8er PC Specs Motherboard RIVE Processor 3930K Memory (part number) 16GB Corsair Dominator Graphics Card #1 Titan X Graphics Card #2 Titan X Storage #1 500GB Samsung EVO CPU Cooler Koolance CPU-380I Case Corsair 900D Power Supply Corsair 1500W Keyboard Microsoft Sidewinder X6 Mouse Logitech Generic Mouse
Lan does not work after overclocking the cpu
hi guys just wanted to ask if this is a regular problem that can been solved as stated in the title i OC'd my cpu running at 4.9ghz @ 1.5v. Well it worked but I had to notice that my lan(network controller) didnt work after my changes so I played around used the profiles set in bios gamer profile high / low voltage and the same problem. After reseting my bios I didnt have any problems what so ever so I can safely presume that the oc'ing had something to do with it.
my speccs are as following:
cpu 3930k now at stock speed
gpu 690 GTX
mobo asus rampage extreme iv
ram corsair rampage 1666mhz
ssd kingston hyper x 256gbyeah thats it ..... should I try loweing the voltage or updating my bios havent done that well since I bought my board april 2012 ^^^
thanks for all replies
thum8er
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04-09-201311:26 PM #2
ROG Guru: Grand Master Array
LAN functionality can go out the window if your system is not stable that is correct. What I would suggest is manually overclocking via the bios, and not use any of the presets. Start with small increments. And keep it simple. So set your system to 4.4GHz in the bios run some stability test, or play your favourite game for an hour. Of course check to see if your LAN works. If yes to all three questions, go up one additional multi. Repeat until your LAN stops working.
For a normal 24/7 overclock 4.4 - 4.6 is perfect.
To help us help you - please provide as much information about your system and the problem as possible.
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04-10-201312:49 AM #3
ROG Enthusiast Array vennacher PC Specs
vennacher PC Specs Motherboard Rampage IV Black Edition Processor Core i7 3970x Memory (part number) Corsair Vengeance 64GB CMZ64GX3M8A1866C9 Graphics Card #1 EVGA GTX690 Sound Card SoundBlaster X-Fi Titanium Monitor HP LP3065 CPU Cooler Corsair H100i v2 Case SilverStone TJ07 Power Supply Corsair AX1200i OS Windows 10
I lost my LAN, the ability to set SLI, etc pretty much anything connected to the PCI bus when while OC'd I dropped Vtt too low. I can offer no comfort. The only way I could get the computer fully functional was a complete reinstall.
MB : Rampage IV BE. - Bios 0801
CPU : i7 3970x @ 4500 MHz, Offset +0.030v, Regular LLC, Fixed Frequency 750, C1E Enabled, C3/C6/C7 Disabled
CPU VCCSA: Manual 1.150v, Regular LLC, Fixed Frequency 500
RAM : Corsair Vengeance @ 1866 MHz - 64GB
Disks : Raid0 2x Intel 520 480GB; 2x Seagate 2TB
GFX : EVGA GTX690
Audio : Creative X-FI Titanium HD
PSU : Corsair AX1200i
Optic BD\DVD : Lite-On Blu-Ray; Samsung DVDRW
Cooler\Case : Corsair H100i v2 2; Silverstone TJ07
OS : Win10 Pro 64
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04-10-201306:25 AM #4
ROG Enthusiast Array Thum8er PC Specs
Thum8er PC Specs Motherboard RIVE Processor 3930K Memory (part number) 16GB Corsair Dominator Graphics Card #1 Titan X Graphics Card #2 Titan X Storage #1 500GB Samsung EVO CPU Cooler Koolance CPU-380I Case Corsair 900D Power Supply Corsair 1500W Keyboard Microsoft Sidewinder X6 Mouse Logitech Generic Mouse
thanks for the fast replies guys appreciate it. May I just ask this small question as stated Vizman, I do clock manually or atleast that was the idea ^^. The 4.9 where achived through trial and error although the profile could have done that ... anyhow ...
How high would you state, that the Vtt should be @ 4.4- 4.6Ghz , as I think that that was the main issue the first time i clocked...
Lowest / Highest value as I am still quite new to the whole OC'ing buisness but learning fast.
Thanks for any replies
Thum8er
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04-10-201307:24 AM #5
ROG Guru: Grand Master Array Arne Saknussemm PC Specs
Arne Saknussemm PC Specs Laptop (Model) Laptop?...No way! (Model?...Jun Amaki...yes way!) Motherboard ROG ZENITH II EXTREME Processor THREADRIPPER 3960X Memory (part number) TXBD48G4000HC18FBK Graphics Card #1 GTX Titan X Graphics Card #2 SLI is dead to me Graphics Card #3 Tri SLI is even dead to Nvidia Graphics Card #4 Quad SLI is dead to everybody especially my credit card Sound Card Xonar Essence STX Monitor ASUS ROG Swift PG279Q Storage #1 Samsung 970/960/950 PRO Storage #2 2x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB/Samsung 1TBSSDs CPU Cooler Custom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock Case Nope!...Dimastech Easy XL...let it all hang out man! Power Supply Seasonic 1000 Platinum Keyboard Corsair Strafe MK2 ROG Claymore... or Fender Rhodes Electric Piano (MKI 73) Mouse Corsair M65Pro or Speedy Gonzalez...not Mickey...don't do Disney! Headset ...firmly on neck Mouse Pad Mouse don't got his own pad man...lives with me Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition Network Router 56k modem Accessory #1 Umm...nice tie? Accessory #2 Err...belt? Accessory #3 3 accessories?! I'm not a girl!! 
Kepp VCCSA and VTT same or similar and keep them within 0.3v of Vcore and within 0.6v of VDIMM
just as an example...if you need 1.4v for 4.6 make sure VTT and VCCSA are 1.1
Intel spec for VCCSA is 0.6 to 1.2v with 1.4 max
Intel spec for VTT is 1.005 to 1.095 1.4 max
These are stock values....but it gives you a good idea...
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04-10-201311:15 AM #6
ROG Guru: Grand Master Array
I have run Vtt of 1.25 on one particularly irritating system for about 6 months now with no ill effects. But would suggest you keep it below that as optimal.
To help us help you - please provide as much information about your system and the problem as possible.
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04-10-201301:55 PM #7
ROG Enthusiast Array vennacher PC Specs
vennacher PC Specs Motherboard Rampage IV Black Edition Processor Core i7 3970x Memory (part number) Corsair Vengeance 64GB CMZ64GX3M8A1866C9 Graphics Card #1 EVGA GTX690 Sound Card SoundBlaster X-Fi Titanium Monitor HP LP3065 CPU Cooler Corsair H100i v2 Case SilverStone TJ07 Power Supply Corsair AX1200i OS Windows 10
With my OC, Vtt when set on auto will settle at 1.26v. 1.15v is where all hell broke loose. I should have known better than to just change it, but had read where a number of folk were successful at that level...me not so much. I'll see blue screens when I get below 1.9v, so have it and Vccsa both set at 1.2.
Could be that 64GB of RAM and 2x GTX690 just place too many demand on the Uncore and Memory controller for me to run below 1.2v.
MB : Rampage IV BE. - Bios 0801
CPU : i7 3970x @ 4500 MHz, Offset +0.030v, Regular LLC, Fixed Frequency 750, C1E Enabled, C3/C6/C7 Disabled
CPU VCCSA: Manual 1.150v, Regular LLC, Fixed Frequency 500
RAM : Corsair Vengeance @ 1866 MHz - 64GB
Disks : Raid0 2x Intel 520 480GB; 2x Seagate 2TB
GFX : EVGA GTX690
Audio : Creative X-FI Titanium HD
PSU : Corsair AX1200i
Optic BD\DVD : Lite-On Blu-Ray; Samsung DVDRW
Cooler\Case : Corsair H100i v2 2; Silverstone TJ07
OS : Win10 Pro 64
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04-10-201302:10 PM #8
ROG Guru: Grand Master Array
Indeed that would be the case. Bump VTT up a bit and see how it goes. Please to post back with your results mate.
To help us help you - please provide as much information about your system and the problem as possible.
How to Go Back to Normal After Overclocking
Source: https://rog.asus.com/forum/showthread.php?31691-Lan-does-not-work-after-overclocking-the-cpu
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