Tip: cool your mosfets

RichBa5tard · 22nd June 2002, 21:26

A couple days ago I found these two puppies in my mailbox:

A DD GeForce & northbridge waterblock.

Now every component in my rig (except the PSU) is cooled by H²O. Cool & quiet, but other components like my mosfets (those 6 little black cubes near the cpu) get really hot (+60°C) due to the lack of airflow. I thought this shouldn't be a prob because the low-tech nature of it (it controls the voltage of your cpu if i'm not mistaken), but my system kept crashing after a few hours use.

So, i've put little heatsinks on them and placed a low performance fan near it, and now it's rock stable, even when pushed to the max.

This pr0lly void your warranty though... does anyone know how to remove traces of AS adhesive in case this mobo ever dies on me?

23rd June 2002, 00:16

the cooler the better

typically a temp of 25°C gives best results, based on an average of datasheets

23rd June 2002, 01:03

Any chance of a few pics of the now cooler mosfets ?

the waterblocks look damn sweet

TerAngreal · 24th June 2002, 21:38

what did you have to put on dze tabla exactly for that northbridge WB ?
(taxes + shipping etc)

and is it 3/8" material ?

i'm getting really interested in this stuff since i'm buying your old gear :^)

24th June 2002, 23:19

to remove:
-alcohol (for medical use

)
-stuff to remove nail polish

you might try anything that removes glue etc.

i'll try it tomorrow in different ways, hang on...

24th June 2002, 23:27

translation of mosfet please

RichBa5tard · 24th June 2002, 23:59

no idea what the dutch term for mosfet is...

@TA: I would never have bought the northbridgecooler if I had to pay full price (H²O cooling a kt266a chipset is overkill), but I had the chance to buy the DD GF2/3 & nortbridge WB second hand for €60 shipping included, so i did.

TerAngreal · 25th June 2002, 13:09

very nice ... this is part of why you're selling your original WC setup i presume

anyh00 ... i'll get my gear tomorrow, still got a few questions to ask though ...

but we'll see

3rd July 2002, 00:44

Metal Oxide Semiconductor Field Effect Transistor... or mosfet. there are other transistors called JFETs as well. These electronic components are used for regulation, amplification, and even switching.

3rd July 2002, 00:48

Quote:

Originally posted by septimus
Metal Oxide Semiconductor Field Effect Transistor... or mosfet. there are other transistors called JFETs as well. These electronic components are used for regulation, amplification, and even switching.

haaaaa transistoren, now i see

tx

22nd June 2002, 21:26	#1
RichBa5tard [M] Reviewer/HWBot ***** Join Date: May 2002 Posts: 3,344	Tip: cool your mosfets A couple days ago I found these two puppies in my mailbox: A DD GeForce & northbridge waterblock. Now every component in my rig (except the PSU) is cooled by H²O. Cool & quiet, but other components like my mosfets (those 6 little black cubes near the cpu) get really hot (+60°C) due to the lack of airflow. I thought this shouldn't be a prob because the low-tech nature of it (it controls the voltage of your cpu if i'm not mistaken), but my system kept crashing after a few hours use. So, i've put little heatsinks on them and placed a low performance fan near it, and now it's rock stable, even when pushed to the max. This pr0lly void your warranty though... does anyone know how to remove traces of AS adhesive in case this mobo ever dies on me?

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23rd June 2002, 00:16	#2
Anthroplast Posts: n/a	the cooler the better typically a temp of 25°C gives best results, based on an average of datasheets

23rd June 2002, 01:03	#3
Alpha_7 Posts: n/a	Any chance of a few pics of the now cooler mosfets ? the waterblocks look damn sweet

24th June 2002, 21:38	#4
TerAngreal Member Join Date: May 2002 Posts: 1,343	what did you have to put on dze tabla exactly for that northbridge WB ? (taxes + shipping etc) and is it 3/8" material ? i'm getting really interested in this stuff since i'm buying your old gear :^)

24th June 2002, 23:19	#5
TeuS Posts: n/a	to remove: -alcohol (for medical use ) -stuff to remove nail polish you might try anything that removes glue etc. i'll try it tomorrow in different ways, hang on...

24th June 2002, 23:27	#6
jakkerd Posts: n/a	translation of mosfet please

24th June 2002, 23:59	#7
RichBa5tard [M] Reviewer/HWBot ***** Join Date: May 2002 Posts: 3,344	no idea what the dutch term for mosfet is... @TA: I would never have bought the northbridgecooler if I had to pay full price (H²O cooling a kt266a chipset is overkill), but I had the chance to buy the DD GF2/3 & nortbridge WB second hand for €60 shipping included, so i did.

25th June 2002, 13:09	#8
TerAngreal Member Join Date: May 2002 Posts: 1,343	very nice ... this is part of why you're selling your original WC setup i presume anyh00 ... i'll get my gear tomorrow, still got a few questions to ask though ... but we'll see

3rd July 2002, 00:44	#9
septimus Posts: n/a	Metal Oxide Semiconductor Field Effect Transistor... or mosfet. there are other transistors called JFETs as well. These electronic components are used for regulation, amplification, and even switching.