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Showing results 1 to 25 of 61
Search took 0.01 seconds. Search: Posts Made By: westom
Forum: Performance & Maintenance 1 Day Ago
Replies: 18
Views: 386
Posted By westom
If it does that, then post the manufacture spec...

If it does that, then post the manufacture spec numbers (ie %THD) that define smoothing. Some of the 'dirtiest' power seen by computers comes from a UPS in battery backup mode. That 'dirty' power...
Forum: Performance & Maintenance 1 Day Ago
Replies: 18
Views: 386
Posted By westom
Power strip protector and UPS manufacturers...

Power strip protector and UPS manufacturers quietly recommend not doing that. They prefer to not discuss why. A power strip protector should not be powered by the UPS. Same electrical problems do...
Forum: Performance & Maintenance 2 Days Ago
Replies: 18
Views: 386
Posted By westom
The feature is completely defined by a...

The feature is completely defined by a motherboard manufacturer. To say more, define that manufacturer and whose BIOS they have used/modified.

Completely irrelevant is the OS and any other...
Forum: General Discussion 17 Jan 2013
Replies: 51
Views: 1,592
Posted By westom
A power supply can behave unstable without a...

A power supply can behave unstable without a load. A behavior that varies with each unique design.

Many speculations posted. Too many suspects defined by too few hard facts.

Any analysis of...
Forum: General Discussion 16 Jan 2013
Replies: 51
Views: 1,592
Posted By westom
Correct. But irrelevant to the OP's problem. ...

Correct. But irrelevant to the OP's problem. The point: a 350 watt supply can probably be swapped in and is sufficient to temporarily power the OP's intermittent system. A multimeter can confirm...
Forum: General Discussion 15 Jan 2013
Replies: 51
Views: 1,592
Posted By westom
Most computers consume less than 200 watts. And...

Most computers consume less than 200 watts. And might demand 350 watts for an extremely short period. Sizing a power supply means amperes for each DC voltage. Wattage is a rather useless number....
Forum: Performance & Maintenance 30 Dec 2012
Replies: 72
Views: 3,370
Posted By westom
Any properly designed power supply, even many...

Any properly designed power supply, even many years before the original IBM PC existed, could not damage hardware. Due to many functions that make damage virtually impossible.

Heat ICs to ambient...
Forum: Performance & Maintenance 29 Dec 2012
Replies: 72
Views: 3,370
Posted By westom
Did your source provide numbers with that answer?...

Did your source provide numbers with that answer? Or just recite a popular old wive's tale? One who had to learn this stuff, read datasheets, designed hardware, and traced failures because each...
Forum: Hardware & Devices 13 Nov 2012
Replies: 6
Views: 388
Posted By westom
Protectors (cheap or expenisve), located too...

Protectors (cheap or expenisve), located too close to an appliance and too far from earth ground, may even make that appliance damage easier.

Protector located low impedance (ie 'less than 10...
Forum: Performance & Maintenance 27 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
You neither posted nor received one. Two cheap...

You neither posted nor received one. Two cheap shot artists make accusations and claims without facts. They insist power cycling does that damage.

Manufacturing defects, that you defined, are...
Forum: Performance & Maintenance 26 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Drive life expectancy is mostly defined by...

Drive life expectancy is mostly defined by manufacturing defects. Power cycling myths are disputed by even by specification numbers. Two posters who cannot defend their claims with facts, instead,...
Forum: Performance & Maintenance 24 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Most strain and stress occurs with each head...

Most strain and stress occurs with each head seek. Even that number is no longer specified because it is so large and now irrelevant.
Forum: Performance & Maintenance 24 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Power cycling does not affect light bulb life...

Power cycling does not affect light bulb life expectancy. Life expectancy - also called damage or failure - is well defined by facts with numbers. Even published in an IES Handbook. The light bulb...
Forum: Performance & Maintenance 24 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Power cycling damage to drives is a number that...

Power cycling damage to drives is a number that says why power cycling causes virtually no damage. Your question should be directed at others who make damage claims by ignoring perspective...
Forum: Performance & Maintenance 24 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Early transistors were rated by a number of...

Early transistors were rated by a number of switching cycles. As that number became large, then datasheets also dropped that specification. A number exists. But nobody cares.

100,000 power cycles...
Forum: Performance & Maintenance 23 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
All drives first learn about power off when...

All drives first learn about power off when voltage starts dropping. To a disk drive, power off is same whether from shutdown, by yanking the power cord, or by a nation wide blackout. Even when...
Forum: Performance & Maintenance 23 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Damage is due to starting and stopping. Most...

Damage is due to starting and stopping. Most aggressive and harmful starting and stopping is when heads move. Most drive platter damage is due to contamination even from wear of moving heads and...
Forum: Performance & Maintenance 23 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Start by learning manufacturer spec numbers; not...

Start by learning manufacturer spec numbers; not using feelings. Starting and stopping cause so much stress as to cause failures after ... 39 years. Did you read those numbers? Conclusions from...
Forum: Network & Sharing 15 Oct 2012
Replies: 1
Views: 1,220
Posted By westom
Don't expect a useful replly when you so...

Don't expect a useful replly when you so seriously short your help of valuable facts. For example, the router has many lights. Exactly which one is orange. And then quote the router manual where it...
Forum: Performance & Maintenance 06 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
So put numbers to it. Power cycling a drive 10...

So put numbers to it. Power cycling a drive 10 times a day for every day (including holidays) means the drive fails maybe ... 27 years later. So yes, it will fail sooner. Otherwise the drive might...
Forum: Performance & Maintenance 04 Oct 2012
Replies: 72
Views: 3,370
Posted By westom
Because error messages occur only on power on,...

Because error messages occur only on power on, the proves power on is destructive? Yes, for many. Instead, view the system (event) logs. Same problems were being reported mostly when the computer was...
Forum: Hardware & Devices 18 Jul 2012
Replies: 73
Views: 2,533
Posted By westom
That was explained previous. Computer has two...

That was explained previous. Computer has two completely different 5 volt power sources. These were described as 'always on' and the PSU. BIOS may select which powers that mouse. If the mouse is...
Forum: Hardware & Devices 18 Jul 2012
Replies: 7
Views: 739
Posted By westom
That CyberPower did exactly what its manufacturer...

That CyberPower did exactly what its manufacturer specs said it would do. Replace it to simply have the exact same thing.

Now, learn from the damage. You had a damaged cable. That means an...
Forum: Hardware & Devices 17 Jul 2012
Replies: 73
Views: 2,533
Posted By westom
It would cost more only if the transistor was...

It would cost more only if the transistor was discrete. It's not. More reliable method, that costs significantly less, is the transistor. Any motherboard using jumpers in the past ten years would be...
Forum: Hardware & Devices 17 Jul 2012
Replies: 73
Views: 2,533
Posted By westom
What motherboard is so archaic as to still use...

What motherboard is so archaic as to still use jumpers? Jumper even increase manufacturing costs. The transistor (explained previously) is a superior solution that also costs many times less money....
Showing results 1 to 25 of 61
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