Hello
The info about the declining power supply quality requires few comments.
1) PC's power supply technology does not rely on transformer but on semiconductor (PWM or switching power supply) so the wheigth of components reflects more the kind and size of the cooler used (sheet of metal or thick aluminium) than the electronics component used.
2)power switching technology is nice because it can handle very heavy power with few simple components and can accept very variable input, so quality of the main power supplied does not count too much in the result.
Drawback is that this technology is known to produce really
smoking effects in case of failure.
3) fortunately this kind of failure doesn't happens very often, and the most common symptom is just no power going out of the box (that is a pretty safe situation)
4) The quality of the voltage going out of the power supply is the major problem, as you can easily find perfectly woking power supply that deliver 4.85Volt instead 5Volt. Sometime you can set this with a screwdriver inside the power supply. That is a pretty bad case, as this kind of power supply will cause your machine to act strangely (crash, memory error, disk error).
If you use heavy loaded machine and get unstable behavior this is the first thing you should check.
The info about the declining power supply quality requires few comments.
1) PC's power supply technology does not rely on transformer but on semiconductor (PWM or switching power supply) so the wheigth of components reflects more the kind and size of the cooler used (sheet of metal or thick aluminium) than the electronics component used.
2)power switching technology is nice because it can handle very heavy power with few simple components and can accept very variable input, so quality of the main power supplied does not count too much in the result.
Drawback is that this technology is known to produce really
smoking effects in case of failure.
3) fortunately this kind of failure doesn't happens very often, and the most common symptom is just no power going out of the box (that is a pretty safe situation)
4) The quality of the voltage going out of the power supply is the major problem, as you can easily find perfectly woking power supply that deliver 4.85Volt instead 5Volt. Sometime you can set this with a screwdriver inside the power supply. That is a pretty bad case, as this kind of power supply will cause your machine to act strangely (crash, memory error, disk error).
If you use heavy loaded machine and get unstable behavior this is the first thing you should check.
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