Archived from groups: microsoft.public.windowsxp.hardware (
More info?)
I completely agree with Richard.
"Richard Urban [MVP]" <richardurbanREMOVETHIS@hotmail.com> wrote in message
news:u$asHlbpFHA.272@TK2MSFTNGP15.phx.gbl...
> He is building a home computer. I don't think he is going to be using it
> to control a dialysis machine to keep his spouse alive.
>
> Tom, you go way too far overboard for Mr. Average user! He just wants to
> build a decent computer for gods sake. Any decent name brand power supply
> in the mid to upper price range will likely do him just fine. There are
> hundreds of millions of such power supplies in use this very minute.
>
> --
> Regards,
>
> Richard Urban
> Microsoft MVP Windows Shell/User
>
> Quote from: George Ankner
> "If you knew as much as you thought you know,
> You would realize that you don't know what you thought you knew!"
>
> "w_tom" <w_tom1@hotmail.com> wrote in message
> news:4305F9D9.73365FA9@hotmail.com...
>> "95% of most PC problem occur on bad power circuits" when the
>> human does not first learn why failure occurs. For example, a
>> computer grade UPS in battery backup mode outputs a modified
>> 120 volt sine wave. Now we review the numbers. That 'sine
>> wave' could be two 200 volt square waves with up to a 270 volt
>> spike between those square waves. IOW the 'dirtiest power' is
>> delivered by the UPS. Is that UPS destructive to computers?
>> Of course not.
>>
>> Computer must have a power supply that provides protection
>> from 'dirty power'. But when selling a power supply at
>> significantly less than $65, essential functions are
>> forgotten. Functions that make dirty power irrelevant.
>> Functions that are essential to a reliable computer.
>> Functions as even required in Intel specs.
>>
>> How to identify inferior power supplies. One - they sell at
>> lower prices. This (obviously) does not say all $70 supplies
>> include essential functions. But a $40 power supply would be
>> missing these essential functions.
>>
>> Two- supply manufacturer forgets to provides a long list of
>> numerical specs. Essential to forgetting to include those
>> essential functions: don't provide those specs. Then those
>> with real technical knowledge cannot 'blow the whistle'. A
>> long list of numerical specs means the manufacturer has stated
>> those essential functions are included. Ten lines of
>> specifications only means the manufacturer is insulting your
>> intelligence. No numbers means he never really intended to
>> provide a minimally acceptable supply.
>>
>> Forget the UPS or plug-in surge protector that doesn't even
>> claim to provide protection from typically destructive
>> transients. Any protection that works at the computer would
>> already be inside the power supply. Protection that can be
>> overwhelmed if the building does not have a 'whole house
>> protector on AC mains and other service entrance protection.
>> Essential is the building's earthing that meets or exceeds
>> post 1990 NEC requirements. Just more facts that useless,
>> undersized, and grossly overpriced plug-in protector
>> manufacturers hope you never learn.
>>
>> Instead get a minimally acceptable power supply. Consider
>> effect transient protection at the utility service entrances.
>> Don't fall for the myths promoted by the electrically naive
>> who assume "surge protector = surge protection". Protector
>> and protection are not even the same items. But a good power
>> supply contains essential functions even demanded by Intel.
>>
>> Yves Leclerc wrote:
>>> You will need to add:
>>> ...
>>> 3) Power Supply -- any power supplies below 400 watts are to be
>>> avoided.
>>> 400 watt PS will give you room to expand.
>>> ...
>>> 5) Surge protector or UPS -- 95% of most PC problem occur on bad
>>> power circuits.
>
>
Facebook
Twitter
Instagram