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does H77 chipset (Ivy Bridge) need heat sink?



 
 
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  #1  
Old November 10th 18, 11:34 AM posted to alt.comp.hardware.pc-homebuilt
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Posts: 158
Default does H77 chipset (Ivy Bridge) need heat sink?

I got a used Dell XPS 8500. Trying to find out the motherboard model,
Dell website no help. But I see mainboards for this PC advertised on
various sites. There are 2 different photos in these listings, one has
a heatsink on the chipset, the other does not. The board in this PC has
no heatsink, and no mounting holes for it.
Intel's specs say 6.7 Watts, so I guess it survives without a heatsink.
  #2  
Old November 10th 18, 02:40 PM posted to alt.comp.hardware.pc-homebuilt
Paul[_26_]
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Posts: 823
Default does H77 chipset (Ivy Bridge) need heat sink?

wrote:
I got a used Dell XPS 8500. Trying to find out the motherboard model,
Dell website no help. But I see mainboards for this PC advertised on
various sites. There are 2 different photos in these listings, one has
a heatsink on the chipset, the other does not. The board in this PC has
no heatsink, and no mounting holes for it.
Intel's specs say 6.7 Watts, so I guess it survives without a heatsink.


https://www.dell.com/community/Deskt...t/td-p/3873294

You'd have to check the chip spec, and see what TcaseMax is.

My general rule of thumb is, if it burns me, it gets a heatsink :-)

A reasonable figure for removal of a heatsink like that, is a
2W power dissipation. (There were some Northbridges long ago,
that drew 2W.) When a max dissipation is quoted, it would
be quoted with all the interfaces working hard.

If fitting a heatsink, you have to consider whether the top of
the chip is flat. Double sided tape thermal pads should only
hold heatsinks weighing 50 grams or less. You can use the Z clip
if you have a spare around. The alternate mount points, I can't
figure out how those work. I don't see threads on them.

6.7W sounds a little high. The machine should survive long
enough for you to check it.

I don't think there is a source of forced air flow at
that point on the motherboard. You might not need a
heatsink if there was a large large airflow present.

*******

Do you know for sure what the part number is ?

In addition to the H77, there's a mobile version of it
which draws less power.

https://en.wikipedia.org/wiki/List_of_Intel_chipsets

Paul
  #3  
Old November 10th 18, 04:11 PM posted to alt.comp.hardware.pc-homebuilt
Flasherly[_2_]
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Posts: 2,112
Default does H77 chipset (Ivy Bridge) need heat sink?

On Sat, 10 Nov 2018 02:34:19 -0800 (PST), wrote:

I got a used Dell XPS 8500. Trying to find out the motherboard model,
Dell website no help. But I see mainboards for this PC advertised on
various sites. There are 2 different photos in these listings, one has
a heatsink on the chipset, the other does not. The board in this PC has
no heatsink, and no mounting holes for it.
Intel's specs say 6.7 Watts, so I guess it survives without a heatsink.


I've Antec Reference, Antec Reference 5, both silvers, some less than
perhaps more desirable, ARCHER, possibly silicon or unknown, a tube of
Gigabyte, I can't recall an opinion, one unopened Dynotron, and some
definitely unmentionably unnamed silicon stuff in a hypodermic
syringe. All in my grabbag accumulator. Both Antec's are thick and
heavy, unlike the greasy and light silicon in the pits of a syringe.
With a super-thin coating, a razor's edge application both to heat
sink and application chip surface, the "silver" grade will
consequently adhere well enough, I'll stake, to hold even if placed
from orientation on a perpendicular plane;- it won't be going
anywhere, at all, place horizontally until bumped, knocked or easily
twisted and then lifted off. Also high conductivity silver, as I can
only suspect, more oriented to metallic substances in actual
composition. Silver facsimiles, as it assuredly were, of high regard
among not only OC-ing circles.

Although I do have an IR thermal temperature readout, a chipset sensor
ID and software utility to actually read or log is common enough. All
that's left is some spare heatsink material, everybody but of course
squirrels-away in their cannibalistic nest of grabbags, some
otherwise suitable metal for the tinsnips or a hacksaw blade.

Suitable heatsink material means flyweight for chipsets in need of a
pinch. Boat-anchors need not be encouraged for perpendicular
application.
 




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