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Author Topic: A1XE : cpu fan not running, no video output  (Read 13781 times)

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Offline Doobrey

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Re: A1XE : cpu fan not running, no video output
« on: July 18, 2003, 11:26:59 PM »
Quote

amigamad wrote:
Thats crap a machine will only use upto the power it needs mine works fine with a 440watt qtec power supply. :-)


 Well, that is true...they only draw the power they need from the PSU..
 But it isn`t crap about the small PSU idea..
 Switched mode PSU`s need a minimum current drawn through them in order to give a stable regulated voltage. The motherboard sees a wobbly supply and waits until it reaches a decent level.
 If you use an ACME cheapo special PSU(TM), you`ll often find they need a higher minimum load to fireup than the well known quality brands.
 Add to this the fact that high power PSUs have a higher minimum load than low power ones, ( I`ve got a 145W micro ATX PSU here that only needs the load of a 2W fan to stabilse!) and it should make sense...
On schedule, and suing