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Firebaall

G8 Sensor location

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Firebaall

Quick question:

 

Most of the sensors that are reporting to iLo4, are  pretty self-explanatory.  Does anybody know exactly where the sensor 13-LOM is located?  Is it at the broadcom IC towards the back righthand side of the motherboard?

 

wGM5I9W.jpg

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Dave

Tweeted.

 

Is there a PDF somewhere that offers locations?

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Firebaall

I'd love to know if there was a PDF floating around.  I haven't been able to find any documentation that tells me exactly where this zone is.

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oj88

LOM is LAN-On-Motherboard, right?

 

So that should be the integrated LAN chipset, which is what the coordinate 12,12 points to on the board. The Gen8 specsheet says it's an HP 332i 1Gb 2-port ethernet adapter. I can't find any specifications of the 332i, but there's a PCI-E card that's designated the 332T. The 332T uses the BCM5720 and based on the datasheet from Broadcom, it has an internal temperature sensor.

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Firebaall

Thanks, that confirms my suspicion of the Broadcom chip, being my target for one of those aftermarket chipset coolers. Network traffic is 24/7 on the server, so I'm not surprised by the extra heat here.

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Firebaall

Just killing some time, waiting for the epoxy to cure.....

 

I recieved part of the cooling gear I ordered last week.  It included a box of Enzotech BMR-C1 heatsinks, and some arctic silver epoxy.

 

The BMR-C1's are 14mm square which makes them almost a perfect fit for the 15mm broadcom chipset.  There's a minute underlap in coverage, but the excess epoxy nicely bridges (as shown in the pics).  I'll post some temps after the cure period.  I'm hoping to see a few degrees shaved off the zone 13!

PtdFBhu.jpg

 

 

UN0smVQ.jpg

 

 

HlPP15Q.jpg

 

 

I really recommend removing the 3m thermal tape, and going with the arctic silver epoxy.  I believe it will hold up better, and transfer heat much more readily.

Edited by Firebaall
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ikon

Nice job. I really like your 'vise'. Just don't sneeze in the vicinity of the mobo :)

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Firebaall

Heh...

 

I didn't have a clamp that would fit.  Bamboo pencil sharpener and a full bottle of flux to the rescue!

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ikon

If it works, it works :)

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Firebaall

Oh, boy...did it work!

 

40 C under load!  I shaved 19 degrees off that turkey!

 

1yQphIo.jpg

Edited by Firebaall
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