Beware that the oil intruding between chip leads and across traces on
the board can cause some unexpected issues. While it may not be
conductive, it does have a different dielectric constant than air.
If you do this, it's best to 'seal' the board first somehow. I know
fabs have chemicals they can spray on a completed board to seal it,
but with something so complicated as a motherboard that would likely
be difficult and/or expensive.
On Wed, Feb 24, 2010 at 6:29 AM, Eben King <eben01@verizon.net> wrote:
> On Wed, 24 Feb 2010, rsmoot@tampabay.rr.com wrote:
>
>> ---- Eben King <eben01@verizon.net> wrote:
>>>
>>> I'm building a computer to go in my room. The main criteria are that it
>>> not
>>> look like a computer [1] and that it be absolutely silent (i.e., no
>>> moving
>>> parts). To those ends, I've chosen to build a case out of hollowed-out
>>> 24-packs of steel cans [2], and I have an IDE->CF adapter and a 16GB CF
>>> card
>>> to act as a hard drive. I have two questions:
>>>
>> Why not go Mini-ITX. The form factor is 170mmx170mm. They include video
>> sound and all. Many are fanless and can work from a wall wart. Some can take
>> cf cards directly. Some can be had for around $100.00, probably cheaper than
>> the stuff you need to buy to make what have work. Check out mini-itx.com.
>> They have projects people have made, such as a server in an acoustic guitar
>> hanging on the wall, large dolls, models, an ammo can.
>
> I considered basing a computer around a (mini)ITX motherboard, but was (and
> am( unwilling to drop the money on one. I have this motherboard and I've
> already declared it "surplus to requirements", so it, the RAM, the CPU, and
> the cards cost me $0.
>
> I abandoned the idea of using a case made from flats of cans. Chief among
> the reasons is "there's simply not enough room inside", with "cans fall out
> if you look at it wrong" and "things get hung up on protrusions" not far
> behind. Next try uses a plastic filing crate. I hope it convects well. I
> may have to make holes in the bottom to encourage that, but I was hoping to
> keep the crate looking "stock".
>
> I can probably use a generic power supply with the fan removed, given that I
> won't be drawing much power. (Small video card, no hard drive, no optical
> drives, no peripherals.) Still looking for a monitor, and a way to turn the
> darned thing _on_.
>
> I have this fantasy of submerging the motherboard in mineral oil. _That_
> should make it silent and well-cooled.
>
> --
> -eben QebWenE01R@vTerYizUonI.nOetP royalty.mine.nu:81
>
> Only two things are infinite, the universe and human stupidity,
> and I'm not sure about the former." -- Albert Einstein
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