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My computer burst into flames! MSI 890GXM-G65 - Page 25

post #241 of 300
just a little info to add

i have a 1090T that i been running @ 3.8ghz with 1.43v when running P95
it runs fine but i have an nzxt vulcan and i got that big side fan (is it 200mm?)
i dont know but its a big fan that is on the side case blowing down on the VRM`s
I also have a Corsair H70 on the cpu and it dont go above 46C when i have the fans at max 2000rpm

i have turbo core disabled and all that power saving stuff and spread spectrum all disabled

my multi is at 19x and 200fsb/htt

everything is running fine been running at these clocks for a while now (about a month) and its 100% stable

here is something that i did that was pretty intresting

i disabled one of the cores (so i only had 5cores) and i then upped the multi to 20x (4ghz) but i had to increase volts to 1.48v
thats a BIG increase to get to 4.0ghz

i wanted to disable 2 cores (make it a 4core) and then really crank it up but it probably wont make bfbc2 run any better so i never did it

here is a cpu wattage calculator
http://extreme.outervision.com/tools.jsp
when you select the 1090t it shows default values of:
3.2GHz
1.4volts
i thought default for this cpu was 1.375...
anyhow at default it shows 125watts

now put these settings in (which is what i use)
3800MHz
1.43v
155watts

thats probably all we gonna get with 6 cores
the max rated watts is 140 for this board but it does do 155watts on mine with my cooling i mentioned above
i also going to make a copy of this and add this info to this thread
http://www.overclock.net/amd-motherboards/991042-any-luck-msi-890gxm-g65.html

that user started a thread asking about it so i just going to copy and paste this info
    
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post #242 of 300
I don't know much about thie 4+1, but i'm going to read about it. The temp gets fairly high in my rig when I fold....can anyone tell me if i'm in this same group with my sig rig? Do I have anything to worry about?
post #243 of 300
Well it goes between 1.125-1.40 as turbo core pleases. You can pretty much do 18x200 with stock voltage and that makes it won't go over 140w.

I can confirm on my literally-the-first-ever msi am2+ board, which is also 4+1, the mosfet heatsink is really warm, doesn't hurt my fingers but still very hot (The sink where it says Circu-Pipe) But i'm probably getting away with quality components. I never stressed for long periods thou. I should switch to a better board thou this one can not handle 1090t to the fullest.
Edited by Catscratch - 6/24/11 at 9:30am
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post #244 of 300
Quote:
Originally Posted by Wr3ckin_Cr3w;13989886 
I don't know much about thie 4+1, but i'm going to read about it. The temp gets fairly high in my rig when I fold....can anyone tell me if i'm in this same group with my sig rig? Do I have anything to worry about?



Seeng as you have a Crosshair V in your sig you have nothing to worry about at all...that board has a great power delivery system biggrin.gif
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post #245 of 300
Quote:
Originally Posted by Catscratch;13989944 
I can confirm on my literally-the-first-ever msi am2+ board, which is also 4+1, the mosfet heatsink is really warm, doesn't hurt my fingers but still very hot (The sink where it says Circu-Pipe)

what?
are you just touching the top part of the heatsink where it is silver or chrome color?
you cant actually touch the VRM`s can you?
i mean the heatsink is on top of those isnt it?

you seen my post about 3.8GHz @ 1.43Volts (19x200)

im stable with my H70 and 200mm side fan
Edited by tdbone1 - 6/24/11 at 10:48am
    
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post #246 of 300
Quote:
Originally Posted by tdbone1;12684063 
i just wanted to see the VRM`s on the 890GXM-G65 without the heatsink to see what they look like in a line.

i found a single picture of the actual VRM`s here
http://www.fudzilla.com/reviews/item/20105-msi-and-asrock-890gx-tested/20105-msi-and-asrock-890gx-tested?start=1



msi_890gxm_g65_isl_6323A_normal.png

so if someone could find a picture of the 890GXM-G65 without the heatsink on the VRM`s that would be great

thanks

this was post #179 but really starts at #176 with me

post #180 and even past that are needed to understand what im going to ask next....just to refresh the memory about my board (890GXM-G65) and its 4+1 and 6 core cpus

this is to the 2 guys that are making that motherboard chart
http://www.overclock.net/amd-motherboards/946407-amd-motherboard-vrm-information-list.html

MSI
890GXM-G65
the parts that need to be filled in are:
"Transistor Info"
"VRM Protection"
"Notes"

Picture of my board
http://www.msi.com/product/mb/890GXM-G65.html
if i were to take my HSF off my mboard to get the info on the VRM`s and North Bridge since it is all connected by the heat pipe.
what would i need to remount the Heat Sink again?
i have some arctic silver 5 but im not sure that is the right stuff to use.

on my video cards in the past there has always been like i thick tape that was reuseable and you could roll it up in little balls and then remount the heatsink (stock vcard coolers) and it would work
at least on my 8800gts 512 and 5770`s and 5870`s

so i can retrieve some info but i need to know what i need to do to do remount the heatsink on the vrm`s and north bridge i believe
thanks
then in turn maybe one of those guys or someone else can tell us what this board really can do as far as wattage

i posted above this post about me running stable at 1.43v and 19x200 for 3800mhz
and that at those settings it should be using 155watts
so it does do over the 140watt that the board is said to do...so that is a good thing but how far really can we push it?

if i get the info off the VRM`s under the Heat Sink will you all be able to tell us what it can do?

thanks

btw under the sections i listed above...
shouldnt there be mention of the 4+1 power phase under the "Notes" section
i mean there are alot of threads about those VRM`s bursting into flames....yet that section is still empty.
    
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post #247 of 300
The MSI K9A2 Platinum v1 used a quality INFINEON design that isn't known to blow up.
The 890GXM-G65 uses a NIKOS design that is very well known to blow up on 6 core processors.

tdbone1: I remember seeing a picture (it was on this thread or another) showing NIKOS MOSFETs being used on this board before. I'm trying to find it at the moment. To remount the heatsink, you may require new thermal paste for the NB (if thermal paste and not pad was used). I believe the thermal pads connecting to the MOSFETs may be reused also, but not too sure. Arctic Silver 5 is electrically conductive, you could use that on the NB but do not use that on the MOSFETs; if it spills over between two there could be problems.

HWMonitor's wattage readings are not to be trusted. Neither are MSI's TDP ratings; many of their boards have blown with processors within the TDP - including this one (looking at my list of confirmed VRM failures, there were 3 instances of this board failing on a Phenom II x6 at stock speed)
post #248 of 300
did you look at the posts #`s in my previous post
it should help your memory
we all started investigating but i think the conclusion was fudzilla would not remove the heatsink to see what was under it
look at my post above this one again
refer to what i said about the important posts

if no one has confirmation about the vrm`s under the heatsink i might take mine off and get some good pics and post them here.
but if someone already knows for sure then i dont want to smile.gif but the thread you started needs to be updated with the correct VRM`s and Notes

P95 ON
p95on.jpg

P95 OFF after 1 MINUTE
p95off.jpg

alot of those VIN and TMPIN are not looking like they matching with hwinfo and hwmonitorpro
which one do i trust?
HWMonitorPRO = 1.11
HWiNFO32 3.82-1300
Edited by tdbone1 - 6/24/11 at 5:32pm
    
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post #249 of 300
Edit: Just realized how old this thread is...
post #250 of 300
its only a little over a year old when it was created but there is 25 pages (250 posts) over that year.

it is still quite active as it pertains to the 4+1 power phase which is still common

i still need to know if xd or the reflex wants me to pull my HS off to get the info off the chips?

do we know for sure what chips the VRM`s are under the heatsink?
from what i read we do not.
some say its really a 2+1 split
Edited by tdbone1 - 6/24/11 at 10:57pm
    
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