Raystonn,
The problems with peltiers (for us Athlon/P3 users at any rate :tongue: ) is that the the control of the Peltier is difficult.
You generally need a large peltier for all but the lowest PIII, and they draw a lot of current. For most people you cannot draw that much current and supply your PC, all from 1 PSU. This is more of an issue for top Athlon processors as they require much larger peltiers of course).
So now you need to rig two supplies, and hopefully have 1 triggered by turning on the power to your main psu. You wouldn't want the peltier running if the cup wasn't because everything would go semi-cryogenic and end up an ice block.
Now the issue for Athlon users is that if the peltier were to fail - as we have seen demonstrated, there is nothing left to cool the cpu other than a small metal heat spreader. This will overheat extrememly quickly and melt everything. The PIII, as we know, will shutdown, and the P4 will in theory as demostrated by Tom, run as bset it can, whilst waiting for service to be resumed.
So, what do we have here? Athlons are most in need of TECs, but are the hardest and more risky (to the cpu) to impliment. P3 and P4 lend themselves best to less complicated and risk free peltier operation, but are probably least in need of it!
In general the overhead available from a TEC and watercooler, vs just a watercooler is little. The TEC adds complexity, is physically harder to impliment (the TEC compression rate for mounting is supposed to be 10x that of a typical cpu heatsink pressure rating) and computer PSUs will only drive a TEC at about 60% efficiency anyway, as they are rated at 20V usually.
TECs sound useful, but you have to worry about condensation too. A regular watercooler will never get below ambient, and so never condensate (unless running an open system with feed from a cold source).
You'll usually find some discussion in the Overclocking/Cooling and Heatsinks forum, if you can wade through the newbies asking if their Athlon 1400 is supposed to be 60 degrees with a retail HSF and thermal pad....
Actually I would like to hear a lot more about the P4 and overclocking it - you mention that the Samsung RAM now uniformly supports running PC1066 mode - what about the mobo to support that, and what setting/performance does it translate to etc when mated to, say the P4 2G overclocked to ??? whatever it can be overclocked to by a home user?
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