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Sempron Le 1150 low power

post #1 of 82
Thread Starter 
I want to tec this little low power single core. it's TDP rated for 45watts
it seem to OC well 3.2 on air. I've had it on two different boards (msi K9A2-P and Asus M3A 79-t-deluxe). Wanted to direct die cooling for it.

I was looking at using a air heat sink with a large base 45 x51
(scythe mugen2 or infinity).
http://www.newegg.com/Product/Produc...82E16835185093

and 225 watt 40mm tec
http://www.shop.customthermoelectric...&productId=133

I know water cooling is suggested for best results, I'm not really looking for subzero, as this is 65nm AMD and the cold bug most of the time.
the two heat sink I used with it On the OC barely got a hot thermal past was Tx-2.

I was also thinking I could try popping of the IHS like someone did with the I7, if I wanted better temperatures.

so what kinda of power supply should I use?
I already have a mother board in mind....
do you think it's possible to fit everything in a mid to tower that is wide enough?
yes I probably insulate the motherboard
Edited by Demonkev666 - 4/8/09 at 8:18pm
    
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post #2 of 82
if it's a 40x40 TEC that would fit under a TRUE i believe .. so all you'd need is a cold plate and do the bolts up very tight ( you'd need to buy some long bolts) on the true to apply the correct force to the TEC

You'll probably be able to run it at 5 volts off the psu though 7 or maybe 9 volts would be better.
At 5 volts you probably dont need to worry about condensation proofing

Edit: i just checked out that cooler it should work well enough. AS LONG as it has a good backing plate .Otherwise you'd have to have a hot and cold plate and bolt them together
Edited by Ultrasonic2 (muffy) - 4/8/09 at 6:28pm
post #3 of 82
Thread Starter 
Quote:
Originally Posted by Ultrasonic2 (muffy) View Post
if it's a 40x40 TEC that would fit under a TRUE i believe .. so all you'd need is a cold plate and do the bolts up very tight ( you'd need to buy some long bolts) on the true to apply the correct force to the TEC

You'll probably be able to run it at 5 volts off the psu though 7 or maybe 9 volts would be better.
At 5 volts you probably dont need to worry about condensation proofing

Edit: i just checked out that cooler it should work well enough. AS LONG as it has a good backing plate .Otherwise you'd have to have a hot and cold plate and bolt them together
most heat sinks for AM2/AM2+& AM3 just use the stock mounting clip points.
http://www.madshrimps.be/?action=get...98&articID=503
how I think a few boards come with metal back plates
old my sunbeam CCFis mounted like this it's damn near impossible to get off.

http://www.scythe-eu.com/en/products...pu-cooler.html

thanks for the fast reply too.
Edited by Demonkev666 - 4/8/09 at 7:02pm
    
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post #4 of 82
ok yeah my old am2 board came with a backing plate.. it's a shame the intel board dont even though they cost more
post #5 of 82
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Quote:
Originally Posted by Ultrasonic2 (muffy) View Post
ok yeah my old am2 board came with a backing plate.. it's a shame the intel board dont even though they cost more
yeah it's nice for big air cooler for phenom II's.
    
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post #6 of 82
Thread Starter 
so what if I wanted to try for High OC?
I've seen 3.7ghz on a chiller
    
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post #7 of 82
According to eXtreme PSU calculator that CPU at stock voltage uses 45w at 2ghz, 72w at 3.2ghz and 83 at 3.7ghz.

Increasing the voltage will increase this. e.g. at 3.7ghz raising the voltage from 1.35v to 1.45v will bring you up to 96w. Still pretty low power whatever speed/voltage you run it at.

EDIT: also this is maximum power draw which you will never get and even then you'll never get all that heat into the water.
Edited by Scarlet Infidel - 4/12/09 at 12:21pm
post #8 of 82
Thread Starter 
Quote:
Originally Posted by Scarlet Infidel View Post
According to eXtreme PSU calculator that CPU at stock voltage uses 45w at 2ghz, 72w at 3.2ghz and 83 at 3.7ghz.

Increasing the voltage will increase this. e.g. at 3.7ghz raising the voltage from 1.35v to 1.45v will bring you up to 96w. Still pretty low power whatever speed/voltage you run it at.

EDIT: also this is maximum power draw which you will never get and even then you'll never get all that heat into the water.
http://www.ripping.org/database.php?cpuid=629
voltage listed.

this was going to be on an air cooler and even 96 Watt seem lowk for the size of an air cooler I'll be using.
scythe mugen 2
Edited by Demonkev666 - 4/12/09 at 5:34pm
    
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post #9 of 82
Except it won't be 96 watts it'll be 96 watts + the heat produced by the TEC you wish. This means you'll need a TEC undervolted such that it produces as little heat as possible whilst still being able to move more than 100 watts. Keep this in mind while air cooling.
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post #10 of 82
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Quote:
Originally Posted by flak-spammer View Post
Except it won't be 96 watts it'll be 96 watts + the heat produced by the TEC you wish. This means you'll need a TEC undervolted such that it produces as little heat as possible whilst still being able to move more than 100 watts. Keep this in mind while air cooling.
good point.

Edit: how many watts you think the coolers good for ?
Edited by Demonkev666 - 4/12/09 at 6:48pm
    
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