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04-12-2007, 04:08 AM
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#1 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 12
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When I replace a case fan, does it have to be the same amps rating?
I have a computer that is several years old. The case fan went T. U. so I want to replace it but I can't find a fan that is rated at 0.30A. Do I need the same amps or can I go lower? Does the new fan have to have 3 wires also or can it have two? What is the net effect?
THX |
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04-12-2007, 09:17 AM
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#2 |
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Served with Pride
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Join Date: Apr 2003
Location: near the left coast of Michigan
Posts: 14,539
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A fan with lower amperage should be no problem at all. One with higher amp draw may be a concern due to the mobo circuit's ability to support higher current without burning something up. Even that is highly unlikely tho. A 3 wire connection is for fan speed monitoring. One wire is the 12v +, one the 12v -, and the third is the speed detection. Running without speed detection is not a problem. Check in your bios for the fans that are monitored. If the case fan is listed you may need to Disable the monitoring to prevent a naggin pop up or beep code.
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04-12-2007, 10:47 AM
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#3 |
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Member (4 bit)
Join Date: Oct 2006
Posts: 12
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Thx
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