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#51
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"First of One" wrote in message ... I think he means that, if you buy a generic PSU with two fans, the intake fan would face sheetmetal rather than the CPU/motherboard. The PSU may overheat without any air intake. Some do have openings on the back(front?) inside, so if you covered the bottom fanit would then work -- but you could just get a 1-fan psu with the fan on the back. Those 2-fan units with an opening on the back/front inside can blow hot air out it back into the pc and cook the CD unit if the bottom fan is working. -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
#52
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Ed Light wrote:
"First of One" wrote in message ... I think he means that, if you buy a generic PSU with two fans, the intake fan would face sheetmetal rather than the CPU/motherboard. The PSU may overheat without any air intake. Some do have openings on the back(front?) inside, so if you covered the bottom fanit would then work -- but you could just get a 1-fan psu with the fan on the back. Those 2-fan units with an opening on the back/front inside can blow hot air out it back into the pc and cook the CD unit if the bottom fan is working. Flip the fans? -- dvus |
#53
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Mac Cool wrote:
dvus: What do you mean by "backwards"? The rear of my Dell PS is a mirror image of a standard ATX PS. A normal ATX PS will fit in the case but you would have to cut new holes for the power plug, switch and fan. They seem to have gone to a lot of trouble to insure selling a few PSUs! -- dvus |
#54
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dvus:
The rear of my Dell PS is a mirror image of a standard ATX PS. A normal ATX PS will fit in the case but you would have to cut new holes for the power plug, switch and fan. They seem to have gone to a lot of trouble to insure selling a few PSUs! I'm not sure of the motivation behind the proprietary case and PS, except maybe to discourage mass production counterfeit Dells, or perhaps to prevent people from swapping out the PS for a cheap one when they sell the box. Whatever the reason, I heard they stopped shortly after I bought my Dell. -- Mac Cool |
#55
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"dvus" wrote in message ... Ed Light wrote: "First of One" wrote in message ... I think he means that, if you buy a generic PSU with two fans, the intake fan would face sheetmetal rather than the CPU/motherboard. The PSU may overheat without any air intake. Some do have openings on the back(front?) inside, so if you covered the bottom fanit would then work -- but you could just get a 1-fan psu with the fan on the back. Those 2-fan units with an opening on the back/front inside can blow hot air out it back into the pc and cook the CD unit if the bottom fan is working. Flip the fans? Not sure what you mean. outside|fan opening| pc interior bottom fan -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
#56
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"dvus" wrote in message ... Mac Cool wrote: dvus: What do you mean by "backwards"? The rear of my Dell PS is a mirror image of a standard ATX PS. A normal ATX PS will fit in the case but you would have to cut new holes for the power plug, switch and fan. They seem to have gone to a lot of trouble to insure selling a few PSUs! I'll bet replacement motherboards are hideously expensive. -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
#57
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I'm pretty sure the fan facing the interior is actually an intake fan,
designed to suck the hot air inside a PC base to the outside *through* the PSU. -- "War is the continuation of politics by other means. It can therefore be said that politics is war without bloodshed while war is politics with bloodshed." "Ed Light" wrote in message news:elIBd.6025$232.469@fed1read05... Those 2-fan units with an opening on the back/front inside can blow hot air out it back into the pc and cook the CD unit if the bottom fan is working. |
#58
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"First of One" wrote in message ... I'm pretty sure the fan facing the interior is actually an intake fan, designed to suck the hot air inside a PC base to the outside *through* the PSU. One I had was like this: On the back of the pc, there was a psu fan blowing out. On the bottom of the psu was a fan sucking into the psu. On the inside end of the psu where the wires come out it was quite perforated, and the air sucked into the psu by the bottom fan was partly blown out again there, back into the pc, frying the adjacent CD drive. Without the perforations by the wires, it would have cleanly sucked air into the psu and blown it all out the back. -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
#59
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That's just bad design. Intentionally perforating a shroud, WTF? Any, the
perforations would still be facing the CD drive if the PSU were installed "backwards". My 400W Antec has a 90 mm intake and an 80 mm exhaust fan, without any perforations on the enclosure. The air coming out the back is actually very warm, meaning the fans are doing their job. -- "War is the continuation of politics by other means. It can therefore be said that politics is war without bloodshed while war is politics with bloodshed." "Ed Light" wrote in message news:lgMBd.6062$232.4796@fed1read05... One I had was like this: On the back of the pc, there was a psu fan blowing out. On the bottom of the psu was a fan sucking into the psu. On the inside end of the psu where the wires come out it was quite perforated, and the air sucked into the psu by the bottom fan was partly blown out again there, back into the pc, frying the adjacent CD drive. Without the perforations by the wires, it would have cleanly sucked air into the psu and blown it all out the back. |
#60
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"First of One" wrote in message ... That's just bad design. Intentionally perforating a shroud, WTF? Any, the perforations would still be facing the CD drive if the PSU were installed "backwards". My 400W Antec has a 90 mm intake and an 80 mm exhaust fan, without any perforations on the enclosure. The air coming out the back is actually very warm, meaning the fans are doing their job. I presently have a 1-fan Antec. When I upgrade I'll get a psu with one big bottom fan. My psu has very little incoming heat to cope with as I run my hsf fanless with a duct between it and the case fan, which vacuums all the cpu heat out the back. As a result my system temp stays in the high teens, low 20's. Once you do this it's hard to imagine going back. -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
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