Power supply

Steven Vollom stevenvollom at sbcglobal.net
Wed Dec 3 09:39:44 UTC 2008

Ignazio Palmisano wrote:
> Steven Vollom wrote:
>> Dear Eberhard,
>> Do you think a 400 W power supply would be powerful enough to boot a 
>> quad core to BIOS, if I didn't have any additional video card energy 
>> draw.  I would like to see if possibly my problem with the new computer 
>> is a power supply failure.  ASUS is pretty sure that the problem falls 
>> with them or the power supply.  They are willing to return for credit, 
>> refund or replacement, but I would hate to return it and find it OK and 
>> the power supply the problem.  I just don't have access to an 800W or 
>> larger PS.  Do I need the DVD and HDD installed to boot to BIOS?  Mine 
>> are SATA, and the 400W PS doesn't have SATA connections.  It probably 
>> doesn't have the processor power supply plug either.  Thanks for the 
>> info on the router.  I think that will be my protection.  I remember I 
>> had a concern about when I am sharing data with the torrent system, do I 
>> open vulnerability and/or am I able to send out data when I have the 
>> firewall?
>> Steven
> 400 may be a little small for all parts to work, but it should be enough 
> for the BIOS to start. You don't need hard disks and dvds (or anything 
> except the video card and the keyboard :) ). I'd be more worried about 
> the power supply outputting the wrong tensions (i.e. too low on some or 
> all the cables) than about its power.
> HTH,
> I.
I am down to the motherboard and the power supply.  If the power supply 
is OK, ASUS recognizes the problem as theirs.  The Heat Sink Fan does 
not run, when I boot up.  It did run, when I put it on one of the 3 pin 
fan slots.  When connected properly, if the 4 pin connector doesn't work 
the power to the processor may not work.  It also probably supplies the 
4 pin.  So if the cable from the power supply that goes to the Processor 
is defective, that is the problem.  Otherwise it is the motherboard.  Is 
there a way to check the power from the power supply that goes to the

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