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Maximux North Bridge Temp Hacks ...

post #1 of 2
Thread Starter 
Hey ...

Loving my new Asus Maximus Motherboard but man, when I first checked my North Bridge temps ... I couldn't believe how high they were compared to my previous Asus P5B-Deluxe.

At first check, the northbridge temp was 50C at idle!

As far as Intel spec is concerned ... I still think this is fine ... but it just seemed way too high (my old P5B Lux would idle around 35 in the same ambient temps.

Anyway ... I've got it down to about 40C at idle in a 24C ambient room.

Here's the only things I've done so far.

...

#1: Tightened Stock NB Sink Screws

I inspected the bolt downs holding the stock NB heatsink in place and found that they were EXTREMELY loose. I tightened them at least three good, very easy (not much resistance) turns before they bottomed out.

This dropped my idle temps down to 46C or so.

...

#2: Changed T.R.U.E. to PUSH > < PUSH

This was the most beneficial change (and controversial!) .

I changed my dual fan Ultra 120 Extreme (T.R.U.E) setup to a PUSH > < PUSH configuration instead of a PUSH > PULL > fan configuration.

What this did was make the air pushed into the fins of the T.R.U.E. shoot out of both left and right sides of the cooler, ... that means the air shooting out of the left side now is blowing straight into NB heatsink assembly on the Maximus.

This dropped my NB idle temps down to around 40C or so (5 - 6 degree improvement).

(BTW: the PUSH > < PUSH fan config shows ever so slighty worse T.R.U.E. CPU temp performance than does PUSH > PUSH > ... 1 degree warmer ... 37 vs. 38 ... in a 24C room)

...

Anyway ...

There's other ways to improve NB temps obviously: remove pads and use AS5, third party coolers, etc. ... but thought the findings were sort of interesting and decided to post them.

Definitely check the bolts on your stock Maximus NB cooler as mine were super super loose.

    
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CPUMotherboardGraphicsRAM
6700K @ 4.7ghz Asus Sabertooth Z170 Mark 1 Seahawk X 1080 ti 16gb Corsair Dominator Platinum @ 3200mhz 
Hard DriveOptical DriveCoolingOS
2TB Samsung Evo 950 LG Blu Ray / DVD  H115i Win 7 
MonitorKeyboardPowerCase
Acer XB270HU Logitech G710 EVGA 1000w Corsair 780T 
MouseMouse PadAudio
Logitech G502 My girlfriends butt. Asus z170 onboard 
  hide details  
Reply
post #2 of 2
Good job for lowering the temps. I read on anandtech that around 60C for a sustained period of time will start to kill nb chips/cause instability.
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