Diagnosing reboot under load

[Alex Zbyslaw]

Bill Moran wrote:

>Bill Moran <wmoran at potentialtech.com> wrote:
>
>  
>
>>Micah <micahjon at ywave.com> wrote:
>>
>>    
>>
>>>I'm running the i386 version of FreeBSD with 1gb ram.  Didn't think to 
>>>check this before, but I'm getting ~112-113 volts into the PSU from the 
>>>surge strip.  I'm probably going to get a new PSU today.  The parts 
>>>store has a couple of 400 watters in the $50 range (a fortron and a 
>>>thermaltake).
>>>      
>>>
>>Cheap power supplies are a near guarantee that your computer will be
>>unstable.  Unfortunately, $cheap doesn't always == quality cheap.
>>    
>>
>I recommend the more recent one as a guage for what manufacturers you
>can trust.  Frankly, if you're only spending $50 on a 400W, you're
>probably getting a piece of junk - although Fortron has been rating
>well in Tom's tests.
>  
>
A PSU actually capable of 350W *ought* to have done you fine, but many 
cheap PSUs, as Bill says, just don't cut it.  I'd personally recommend a 
Seasonic, which won't be cheap, but will be quiet and reliable if mine 
is anything to go by.  Antec also seem to have a reasonable rep.

There's a nice wattage claculator here: 
http://www.jscustompcs.com/power_supply/Power_Supply_Calculator.php?

--Alex