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M5A99X EVO CPU/NB overclocking

post #1 of 4
Thread Starter 
Hello Forum,
I was just reading that the northbridge frequency should be 3x the dram speed (936mhz x 3),that would make my nb frequency about 2800mhz,i would like some advice and setting to try and get this up to speed please?
your,
Mr Perforations
    
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post #2 of 4
stick it up to 2400mhz and increase by 200mhz until you get instability on superpi.

add more cpu/nb voltage. test stable.

bump more, unstable, add another tick. 1.4v is max.

once you've hit a good NB MHZ overclock test with prime95 to make sure that CPU/NB added voltage didn't push you over your max temp.


do bulldozers benefit from NB oc's as much as phenom ii's?
here's my cpuz.392

i can run 2900mhz no problem still @ 4.2ghz.
post #3 of 4
Thread Starter 
thx man. thumb.gif
    
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post #4 of 4
Quote:
Originally Posted by FlashFir View Post

stick it up to 2400mhz and increase by 200mhz until you get instability on superpi.
add more cpu/nb voltage. test stable.
bump more, unstable, add another tick. 1.4v is max.
once you've hit a good NB MHZ overclock test with prime95 to make sure that CPU/NB added voltage didn't push you over your max temp.
do bulldozers benefit from NB oc's as much as phenom ii's?
here's my cpuz.392
i can run 2900mhz no problem still @ 4.2ghz.


Nope there was a site a while back that tested bulldozer northbridge oc, showed ~1% improvement over stock. I wouldnt bother with nb or hypertransport, they have almost no effect on bulldozer performance cpu frequency and memory frequency/timings are the 2 big ones.
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Ryzen 2017
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Home Server
(15 items)
 
 
CPUMotherboardGraphicsRAM
AMD R7 1700 @ 3.95GHz - 1.425V Asus Prime X370 Pro Nvidia Geforce GTX 1080Ti FE 2000/6000 @ 1.025v 16GB (2x8GB) G.Skill DDR4 2933MHz CL16-16-16-35 1T 
Hard DriveHard DriveHard DriveOptical Drive
BPX 120GB NVMe SSD *boot* Intel 730 Series 240GB SSD Crucial BX100 1TB SSD Asus DVDRW 
CoolingOSMonitorKeyboard
Noctua NH-D15 Windows 10 Pro x64 Acer XG270HU 1440P 144Hz Freesync Cougar 600k Mechanical 
PowerCaseMouseMouse Pad
Seasonic x1050w Antec 1100 V2 Razer Deathadder Elite Steelseries QCK Heavy 
Audio
Plantronics Rig 500e 
CPUCPUMotherboardGraphics
Opteron 4226 6 core Valencia 2.7GHz Opteron 4226 6 core Valencia 2.7GHz Asus KCMA-D8 Nvidia GT 520 1GB DDR3 
RAMHard DriveOptical DriveOS
32GB (4GBx8) Kingston 1066 ECC DDR3 (4x) Hitachi 500GB 7200RPM HDD's out of an old NAS Lightscribe CD/DVDRW Xubuntu 16.04 
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Dell 17" 4:3 Trash Dell Membrane OCZ 750w Generic Mid Tower 
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