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Power Supply PC
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<blockquote data-quote="req" data-source="post: 1383297" data-attributes="member: 555713"><p>if you take the power supply out of the case, bridge the GREEN WIRE on the 20-pin molex connector to one of the BLACK WIRES on the same molex connector with a spare piece of 16awg wire, [ you might need to plug a fan or somthing in to make it turn on too ] you can then use your DMM to test the voltages. red = 5dcv and yellow = 12dcv and orange = 3.3dcv. also - plug the DMM into a free yellow\black molex and check and see if your 12v rail is dipping, do the same for the red\black.</p><p></p><p>they all have a single common ground - so dont worry about WICH black wires to test with.</p><p></p><p>alot of the time - if you are using a good amount of power, the RMS of your powersupply will be like how car audio rates amplifiers.</p><p></p><p>a $40 POS power supply will claim 450w, when it will only give ya like 225w. and if you use more power than that, it will strain and end up loosing voltage to compensate. whats probly happening is your 12v\5v\1.5v rails are dipping in voltage and your CPU is shitting a brick.</p><p></p><p>i would highly suggest not buying flea-market-esque powersupplies. because we all know - your equipment is only as good as your weakest link, and if you supply dirty power, you get dirty performance.</p><p></p><p>good luck to ya.</p></blockquote><p></p>
[QUOTE="req, post: 1383297, member: 555713"] if you take the power supply out of the case, bridge the GREEN WIRE on the 20-pin molex connector to one of the BLACK WIRES on the same molex connector with a spare piece of 16awg wire, [ you might need to plug a fan or somthing in to make it turn on too ] you can then use your DMM to test the voltages. red = 5dcv and yellow = 12dcv and orange = 3.3dcv. also - plug the DMM into a free yellow\black molex and check and see if your 12v rail is dipping, do the same for the red\black. they all have a single common ground - so dont worry about WICH black wires to test with. alot of the time - if you are using a good amount of power, the RMS of your powersupply will be like how car audio rates amplifiers. a $40 POS power supply will claim 450w, when it will only give ya like 225w. and if you use more power than that, it will strain and end up loosing voltage to compensate. whats probly happening is your 12v\5v\1.5v rails are dipping in voltage and your CPU is shitting a brick. i would highly suggest not buying flea-market-esque powersupplies. because we all know - your equipment is only as good as your weakest link, and if you supply dirty power, you get dirty performance. good luck to ya. [/QUOTE]
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