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Search: Posts Made By: ashiekh
Forum: PC Power Supply Discussion 8 Hours Ago
Replies: 13
Views: 388
Posted By ashiekh
That is why I phrased it as a cross-talk issue...

That is why I phrased it as a cross-talk issue and drew an analogue with group regulation; if the common returns were separated one would still have the drop, but not the cross-talk.
Also that sense...
Forum: PC Power Supply Discussion 23 Hours Ago
Replies: 13
Views: 388
Posted By ashiekh
Quite significant when one realizes that the ATX...

Quite significant when one realizes that the ATX spec is 50mV max ripple on the 5V and 3.3V line
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 13
Views: 388
Posted By ashiekh
Absolutely, but my concern was for voltage drops...

Absolutely, but my concern was for voltage drops over the low voltage ground section and not voltage drops over the high voltage section;
I hope that makes sense, since we all know the ground is...
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 8
Views: 252
Posted By ashiekh
What would be the best way to clean it? Submerge...

What would be the best way to clean it? Submerge it without the fan in isopropyl alcohol?
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 32
Views: 601
Posted By ashiekh
I don't see any +5V missing; but it is hard to...

I don't see any +5V missing; but it is hard to see.
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 32
Views: 601
Posted By ashiekh
My point was I didn't see the +5V missing

My point was I didn't see the +5V missing
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 13
Views: 388
Posted By ashiekh
Perhaps there is some confusion There are 2...

Perhaps there is some confusion

There are 2 grounds

* the low voltage return
* the mains ground

I was only referring to voltage drops across the first; I think you may be referring to the...
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 13
Views: 388
Posted By ashiekh
Are you saying if one was to disconnect the...

Are you saying if one was to disconnect the ground, the ripple would worsen?
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 32
Views: 601
Posted By ashiekh
I thought it was missing the -5V and -12V

I thought it was missing the -5V and -12V
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 13
Views: 388
Posted By ashiekh
Cheers

Cheers
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 24
Views: 7,356
Posted By ashiekh
Me too!

Me too!
Forum: PC Power Supply Discussion 3 Days Ago
Replies: 32
Views: 601
Posted By ashiekh
They are not at all expensive, but even easier is...

They are not at all expensive, but even easier is a unit for power supplies
Forum: PC Power Supply Discussion 3 Days Ago
Replies: 32
Views: 601
Posted By ashiekh
My point was that if the small form factor...

My point was that if the small form factor version is not 12V only, then maybe the tower version is ATX; assuming they use the same mother board. This also fits with the fact that he seems to be...
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 32
Views: 601
Posted By ashiekh
Now I am confused ...

Now I am confused
...
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 32
Views: 601
Posted By ashiekh
I believe the mother board controls the fan in...

I believe the mother board controls the fan in the power supply, so you would lose this feature.
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 21
Views: 387
Posted By ashiekh
I got a cheap power supply load, but it gets way...

I got a cheap power supply load, but it gets way too hot way too soon.
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 13
Views: 388
Posted By ashiekh
Common ground

Just a thought, the present ATX spec seems to have a common ground for all return voltages (the black wires).

Does this not to some extent bring back some of the flaws of group regulation in the...
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 21
Views: 387
Posted By ashiekh
Be sure your meter is in voltage mode and not...

Be sure your meter is in voltage mode and not current.

I have a meter that only does volts, to avoid my making the mistake.

This guy illustrates...
Forum: PC Power Supply Discussion 6 Days Ago
Replies: 15
Views: 458
Posted By ashiekh
Easy to check; hold the blades still when...

Easy to check; hold the blades still when starting up.

Changing the fan may be an option.
Forum: PC Power Supply Discussion 6 Days Ago
Replies: 7
Views: 248
Posted By ashiekh
Perhaps another approach is to upgrade your case...

Perhaps another approach is to upgrade your case fans such that the flow through the power supply you have now is increased and eco mode no longer needs to kick in the power supply fan.
Forum: PC Power Supply Discussion 1 Week Ago
Replies: 12
Views: 248
Posted By ashiekh
Could just as well use a piece of wire I...

Could just as well use a piece of wire

I would replace a decade old power supply on a new build,
or replace the secondary capacitors and oil the fan for an
old build.
Forum: PC Power Supply Discussion 1 Week Ago
Replies: 12
Views: 566
Posted By ashiekh
As I said above, my HP tower power supply is 12V...

As I said above, my HP tower power supply is 12V only (the SATA drives are powered off the mother board).

Backward compatibility is not a good idea if 'ATX is outdated garbage, and needs a modern...
Forum: PC Power Supply Discussion 1 Week Ago
Replies: 12
Views: 566
Posted By ashiekh
I have some old HP computers (HP Compaq 8000)...

I have some old HP computers (HP Compaq 8000) that use 12V only (including 12V standby)

I believe they are from around 2010, and the BTX idea was around 2004; so attempts to break out of the ATX...
Forum: PC Power Supply Discussion 1 Week Ago
Replies: 12
Views: 566
Posted By ashiekh
I think backward compatibility would be an error....

I think backward compatibility would be an error.

Concerning USB, we already have a different number of pins for USB 1/2 compared to USB 3 and the type A connectors on USB 3 thumb drives are a bit...
Forum: PC Power Supply Discussion 1 Week Ago
Replies: 5
Views: 169
Posted By ashiekh
Can you stagger the hard drive spin-up?

Can you stagger the hard drive spin-up?
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