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Old 6th January, 2005, 02:24 PM
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Question super high-res pics/technical infos LP B request

Hi dudes.
Im having bad overheating problems, because for silent reasons, my case lack any ventilator. I still want reasonable overclock. With all my heatsinks ( http://ax2.old-cans.com/show.php?p=b...3&c=8&d=1&v=v2 and http://ax2.old-cans.com/show.php?p=w...4&c=8&d=1&v=v2 ) I did not managed more that 200x13 - and it's still only stable for about 4 hours of Prime95 torture test of CPU, then it freeze.
I even added a heatpipe, connected to the case by cooper holders ( http://ax2.old-cans.com/show.php?p=b...2&c=8&d=1&v=v2 ) to reach the 2600Mhz with 1.800Vcore (AXP-M 2600+), but I want it to be stable for longer time - it means cooling.

So, I decided to WATERCOOL the mosfets. Both. This is my CPU mosfets thing:

[IMG]http://ax2.old-cans.com/badthingshappens/Mosfe****ercooling.jpg[/IMG]

[IMG]http://ax2.old-cans.com/badthingshappens/Mosfe****ercooling2.jpg[/IMG]

It is not supposed to cool very well, only adequately - the working temperature about 50-60C is healty for the mosets, after all

Now I got stuck. I need to cool the mosfets on the dimms too, but there are very limited space, only about 14mm high space is there, when there is a full-sized GFX card. ( http://ax2.old-cans.com/show.php?p=w...5&c=8&d=1&v=v2 ) So, now what.
After I added there this heatsink - I glued it with Arctic Silver expoxy http://ax2.old-cans.com/show.php?p=w...d=1&id=106&c=8

I can't take the need measures for making a watercooling cooler of the mosfets, voltage regulator and SB all by myself.
Therefore I need HELP

I need a super-hi res (maximum size/quality possible) photo of exactly THIS part of DFI LP B mainboard:
(the correct 90 degrees vertical ange when taking the photo is critical too, the lens distortions can be corrected in PaintShop, but the ange has to be 90 degrees - right from the top...)

http://trodas.wz.cz/exactly_this.jpg

(at the left the AGP slot, at the top the end of dimm holders, at the right the second of the third capacitors below the rams and at the bottom the corner of the SB chip)

And I need to know the height of the SB chip itself, the voltage regulator and the mosfets.
Also the dimensions of the SB chip itself won't hurt. They should be 28x28 mm (that's the size of the original SB heatsink), but at least a confirmation will be very much welcome.

The best way will be a actuall technical blueprint of the board, just this part, not the PCB layout, just the dimensions of mosfets, voltage regulator and SB chip AND the clearance between them and the closests limiting objects on the mainboard - again, the AGP slot, at the top the end of dimm holders, at the right the second of the third capacitors below the rams and at the bottom the corner of the SB chip.

In case of picture, to make the picture usefull - a measuring 1x1 mm grid has to be printed on quality laser printer (1200+ DPI) and placenb etween the SB and the mosfets - more precisely, the voltage regulator rather - this one is most down thing on the mobo.

There is a suitable size 1x1mm grid prepared:
http://trodas.wz.cz/grid.ai
http://trodas.wz.cz/grid.eps
http://trodas.wz.cz/grid.pdf

Again - I can't take these measurments for myself, because I glued there the heatsink to get stability and I have to give my friend who make the cooler the blueprint for the cooler first, so I could just replace the heatsink with the WB cooler and my machine stay working.
Making of the thing could take week, so "destroy first" is not a option.

Also considering that:

http://www.arcticsilver.com/arctic_s...l_adhesive.htm

CAUTION!
Arctic Silver Thermal Adhesive is a permanent adhesive. Components you attach with Arctic Silver Thermal Adhesive will stay attached forever.

...it maybe end with buing a new mobo, just for the watercooling experiments. On behalf of owning two DFI LB P mobos I would also urge DFI to reconsider giving my the need measurments and cut the bull*hit about NDA when talking about dimentions, that every user could measure for itself.
(everyone, except these, who glued a heatsink permemently there, that it is...)

Currently Im only aware that the original heatsink for the SB measuring 28x28 mm - so I quess that the SB size is 28x28 mm, right? Anyone dare to confirm this and tell me the height of the SB chip? (W/O the heatsink, that it is )
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Last edited by trodas; 6th January, 2005 at 07:11 PM.
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Old 6th January, 2005, 07:14 PM
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Talking

Gizmo - true, fixed, deleted dummy msg
Still - i never told vBulletin before that I did not want to use sig - and I wonder, why vBulletin did not allowed me to delete the thread at all
I tried that as immediate solution, but no option.
I simply prefer more the IVision core, but that could be just me - now what about to delete these two OT posts?
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Old 6th January, 2005, 07:28 PM
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just so you know I'm pretty sure freezing epoxy will make it crystalize again so that you can pull it off. I had a friend pry off his ram chip on his 9800 because he didn't freeze them, but he got the rest off just fine(w/o freezing it). They tell you not to put it under a pelt, because it cannot sustain its bonding properties at such cold temps, so if you do get the epoxy, you might be able to freeze it off. Just FYI

and what happend to that black pile of goo above your mosfet sink...
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Old 8th January, 2005, 04:02 PM
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Unhappy

XeroHouR - that isvery optimistic, man, thanks a lot for this! I need some optimism now I just waited over 1,5 months on freezing spray (-150C) and still get told that I have to wait, the suplier did not even yet have it on hold, so...

If this fail, I have to buy a new mobo to get quiet yet powerfull computer

The poor little toroid up there? Well, my lame attempt to quiet some whinning from it, during prime95 mem tests and such. It failed Now I trying to remove the hi-temp silicone, because it caused overheating and less stability on higher clocks!!! Never ever do it. It did not stop the little whine come from the coil, and it limit your OC/stability as well..
Bad bad bad bad idea

PS. I did not understand mainly the DFI guys, why they did not want give me ANY kind of information about plain simple dimensions and clearances of few components on the mobo. I don't getting it at all. Informations you can measure for yourself can't be any part of NDA. Simple as that.
I quess that since the DFI forum support person is useless (it just keep talking in circles, not being able to broke own mind barrier) I have to mail DFI support and see, what they come with. Let's pray for less mind-limited persons there
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Old 8th January, 2005, 06:24 PM
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Exclamation

Okay, let me make VERY clear what I looking for:

http://ax2.old-cans.com/LPBdimmWB.gif

Now this is easy to understand, yep?
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Old 10th January, 2005, 01:04 PM
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Red face

Anyway, yep, Infinity mobo will do it as well. The mobo only got red PCB and except one chip (the gigabite network) are entierly the same, so - it would help for the measuring as well.

Meanwhile I took my second testing LP B mobo and measured what I can. The SB height, size and dimensions I taken from Epox 8RDA+ mobo, so... I think the SB chip is the same. Maybe just knowing who make the mosfets/voltage regulator could help - the technical specs must include the component size, and that will do it.

Anyway, my results so far:

http://ax2.old-cans.com/LPBdimmWB2.gif

...the thick doted red line indicate the waterblock bottom plate first design. On this, with 15mm clearance from AGP full-size card I planing add U shaped cooper tube and that should do the cooling ...if, and only IF i could get the chips dimentions...
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