MOBOs worth repairing or trash?

[kaboom]

Re: MOBOs worth repairing or trash?

--snipped--

Some are just thermistors/resistors that reduce line voltage, which ironically increases the current drawn AND reduces the motor's starting torque!

They're all just SCAMS! Oh, sure, their "literature" sprinkles some musings of AC theory in, but that's only to (attempt to) make their outright lies more convincing.

The ones that are capacitors are shaky at best; that motor is loaded at all times, most "large" fridges, within the last 15 years, already have run caps! As does your central AC or window aircon- see the run cap inside?

That crap should've ended in the late '80s, right after it first started... The only people to financially benefit are the scammers themselves.

But if enough fish "are biting," the scammers will keep up.

You can't make any device consume power more "efficiently" simply by installing a PFC. The only thing PFC does is it makes the device appear as a resistive load to the grid. This only matters to the power distribution company, because you pay for the real power you use and not reactive or apparent power. I'll stop there as I've derailed this thread quite far now. But do a little research online on real/active/reactive power, and you will see what I mean.

Oh no, no you haven't. We're going on 2016, for crying out loud, yet that myth still persists. It's right up there with the assumption using a larger-than-original power supply with a 12VDC device will "force" it to "use more amps."

The load does what it will!

Watts, VARs, VAs? If it were that easy (it is), there wouldn't be trolls spreading lies on their scam sites, confusing/enabling/persisting these myths.

It got to the point where PCBONEZ (and others) got run off in that flamefest about computer supplies becoming "more efficient" with the addition of another active stage (the PFC booster). As was postulated in that thread, if the addition of that stage makes something "more efficient," why do those devices need heatsinks?

[RJARRRPCGP]

Re: MOBOs worth repairing or trash?

Unfortunately, anything after nForce 2 chipsets from nVidia is very likely to have bumpgate problems.

Wasn't that only with AM2 and later?

[UraBahn]

Re: MOBOs worth repairing or trash?

Hilariously I've personally never seen an MCP61 die on me, that wasn't already dead when I pulled it out of the bin. But then I like to make sure everything is ventilated well.

I've had more problems with discrete NVidia cards based on the bumpgated chipsets.

[stj]

Re: MOBOs worth repairing or trash?

probably actually caused by heatsinks either held on with tape or clipped on with no grease.

every board i get, i remove all sinks and put as5/mx4/arctic-ceramic on them.
i also like to remove fans smaller than 50mm and put bigger passive sinks on instead.

[Per Hansson]

Re: MOBOs worth repairing or trash?

You can't make any device consume power more "efficiently" simply by installing a PFC. The only thing PFC does is it makes the device appear as a resistive load to the grid. This only matters to the power distribution company, because you pay for the real power you use and not reactive or apparent power. I'll stop there as I've derailed this thread quite far now. But do a little research online on real/active/reactive power, and you will see what I mean.

Oh no, no you haven't. We're going on 2016, for crying out loud, yet that myth still persists. It's right up there with the assumption using a larger-than-original power supply with a 12VDC device will "force" it to "use more amps."

The load does what it will!

Watts, VARs, VAs? If it were that easy (it is), there wouldn't be trolls spreading lies on their scam sites, confusing/enabling/persisting these myths.

It got to the point where PCBONEZ (and others) got run off in that flamefest about computer supplies becoming "more efficient" with the addition of another active stage (the PFC booster). As was postulated in that thread, if the addition of that stage makes something "more efficient," why do those devices need heatsinks?

Not a single time does Momaka say that it gets more efficient.
You're just imagining something which is not there, just like PCBONEZ.
In the thread you refer to I think I said 5 times that it DOES NOT increase efficiency.
Yet him and several more, just like you in this thread kept imagining that something else was said.

[momaka]

Re: MOBOs worth repairing or trash?

Not a single time does Momaka say that it gets more efficient.

Right.
I don't think kaboom was trying to start anything here, though. In post #18 ChaosLegionnaire thought that PFC does somehow improve the efficiency of a device. Thus I suggested in my post that it doesn't. kaboom simply reinforced that with a bit of his usual acute-but-effective sarcasm.

Yet him and several more, just like you in this thread kept imagining that something else was said.

Yeah, I remember a few older threads by PCBONEZ. Most had good info, but a few were just worthy with all of the heated discussion.

[Per Hansson]

Re: MOBOs worth repairing or trash?

Ah, didn't catch that bit, thanks for pointing it out