Wanna see a power supply with GOOD Fujhyyu caps??

[Th3_uN1Qu3]

I know you wanna. But just asking... I have this "Torent" power supply ("Torent Computers" is the name of a computer store here, so it's simply a no-name with reprinted labels). It came in this **** AMD box that i got for free, fried CPU, semi-fried HDD, 512MB DDR, no video card, gave the mobo and RAM to a friend and it works fine, threw away the CPU.

The only thing remaining in the case was the PSU and some random ass CD writer. I powered it up initially and it emitted a loud ~18kHz whine (my hearing is quite sensitive to high frequency), i found it objectionable so i just shut it down and didn't think about it anymore.

Well, long story short (this is something for a later occasion), i needed a secondary PSU to run the SATA HDD in a dual PIII Tualatin system that is *extremely* 5 volt heavy. So heavy, that after buying a mobo that would run the CPUs at their full 1.4GHz, there was not enough 5v juice left to run the hard drive anymore! The only PSU i had with a SATA connector was this piece of junk. So, before entrusting my HDD to it i took it apart to look at it. Same EI33 core, filled to the max, and with rather thin wire i must add. Full of dust of course. But imagine my surprise when i saw... Fujhyyu caps!!! And they're *GASP* ALL GOOD!!! Plugged the hard drive into that power supply and guess what, working fine... It does however appear that this PSU runs in the upper end of the audible range, not even at the usual 33kHz for old PSUs, as the whine is quite annoying and is present all the time. But for all intents and purposes (and for older people that don't hear up to 18k anymore), this PSU is fine. And it's over 4 years old certainly and has been used heavily according to the amount of dust inside, so it's nothing like those Antecs that would work fine when new but crap out in 1 year at most.

Now, just tell me you want those pics.

[Toasty]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Crap is crap, no matter how much you gold plate it.

Flat today, blown tomorrow.

tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-BOOM!

[Th3_uN1Qu3]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Crap is crap, no matter how much you gold plate it.

Flat today, blown tomorrow.

TBH, i don't really care HOW it works if it DOES work. Even when i know all the internals. Besides, it isn't that likely to blow with just one HDD as load.

And it certainly isn't a permanent solution, it is inconvenient and noisy. However the permanent solution involves a buck converter feeding off the 12v rail and pumping extra power into the 5v rail. With full protections, i don't wanna fry this nice motherboard that i just bought, heck, i didn't even have the time to voltmod it yet.

That sure as heck sounds a lot complicated than just running a second ATX power supply for that hard drive.

[mockingbird]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Fujhyyu and 'good' is an oxymoron.

[everell]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

I have a crappy store brand "CompUSA" 250 watt power supply - marking on the pc board is LP6100, so it is a cheaply made L&C product. Most of the capacitors were bloated, so I replaced them all with the better quality Fuhjyyu (comparatively better than what was in there!) from an Antec I recapped. I checked all the Fuhjyyu caps for ESR, so they are all "good". Then I fired it up with a light load, and shortly thereafter blew it out - shorted the main switcher and cracked the pwm chip. I am convinced that ALL of the parts used on this one were cheap low quality. So I replaced the pwm chip, the main switcher with a new Fairchild 18N50, and a buffer circuit between PWM output and the 18N50, Now lets see if it can blow out that switching transistor!

Every once in a while, I fire it up, beat on it, put a heavy load on it, etc. So far it has held up. But I am still curious which will fail first - the Fuhjyyu capacitors or the 2 transistor 5vsb circuit.

[momaka]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Most of the capacitors were bloated, so I replaced them all with the better quality Fuhjyyu (comparatively better than what was in there!) from an Antec I recapped.

Yeah, considering the original ones were Rulycon . I doubt there's anything worse than that (GSC/Sacon/Evercon comes close, though, but that's on the motherboard-side of things).

I have a crappy store brand "CompUSA" 250 watt power supply - marking on the pc board is LP6100, so it is a cheaply made L&C product.

Actually, L&C is with Deer and Allied. Solytech is the company behind these three. The one you have is a Leadman/Powmax (as indicated by the model number).

[370forlife]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Yeah. LPXXXX part numbers are made by leadman. They can also start with KYXXXX

Anyway. Here is a circa 2005 ATNG AP-500X with all (visibly) good fujiyyu caps.

[ratdude747]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Crap is crap, no matter how much you gold plate it.

Flat today, blown tomorrow.

tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-tick-BOOM!

my thought exactly. it will blow up, it hasn't yet, but it will. and when it does, it might take the rest of the system with it to computer heaven... 18v on the 5vsb is not good...

[Behemot]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Well, long story short (this is something for a later occasion), i needed a secondary PSU to run the SATA HDD in a dual PIII Tualatin system that is *extremely* 5 volt heavy. So heavy, that after buying a mobo that would run the CPUs at their full 1.4GHz, there was not enough 5v juice left to run the hard drive anymore!

Interesting. What are the specs? I made system with Celeron 1,1@1,46 GHz Tualatin (voltage on max, voltmod planned for future) and FX 5200 for older games, it runs just fine on 300W Fortron.

[Th3_uN1Qu3]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

my thought exactly. it will blow up, it hasn't yet, but it will. and when it does, it might take the rest of the system with it to computer heaven... 18v on the 5vsb is not good...

A hard drive don't need no 5vsb.

@ Behemot: Dual 1.4GHz PIII-S (not Celeron, the real deal with 512kB cache), see, i said dual. Two CPUs eat more power than one... Asus CUV4X-DLS, 4x 256MB SDRAM from my old BX board but now i can use up to 4x 1GB (!!!), voltmodded Radeon 9800 Pro 256MB, Silicon Image Sil3112 PCI SATA card + Western Digital 320GB, VIA 4-port USB 2.0 card, Lite-on DVD writer. A4Tech wireless kb/mouse, and a huge ass CRT - IBM P275. Also all my fans are running off 5v or 7v, so that plays a role as well. The only component actually using the 12v rail is the video card with its extra power connector, but that does nothing when i'm not gaming.

As the CUV4X-DLS mobo i just got on Friday has an AGP4x slot i will be getting a HD4670 1GB AGP. Grand Theft Auto IV on a Pentium III, can you believe it?

[Behemot]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Oh dual I see it now I want such a system one day, but I'll probably start with old dual Pentium Pro or something...oh yees...

[Th3_uN1Qu3]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Oh dual I see it now I want such a system one day, but I'll probably start with old dual Pentium Pro or something...oh yees...

Better grab one while they still exist. I have a high-end C2D system at home and two midrange gaming laptops, but this computer i have here at my grandparents' place is the system that impressed me the most. In 4 years, ZERO crashes or BSODs. The Windows install held thru countless component changes. So imagine my frustration when the HDD went awry yesterday due to not enough power... Oh well, radical mods coming up and will be posted here among other places.

A little birdie told me that there exists such an animal as a dual socket 370 board with DDR memory slots. If you find one of those, my hat goes off to you.

I'll post pics of that power supply in about an hour.

[PCBONEZ]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Why don't you just get a decent and correct power supply?

[Th3_uN1Qu3]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Why don't you just get a decent and correct power supply?

Because i can't find one suitable for this computer. In my main C2D rig i have a Seasonic SS-500HT, i don't run junk PSUs unless i have a good reason to.

The main PSU of this dual-PIII is a Xilence 420W so that's decent enough as well. However, due to severe crossloading the 5v rail sags and there's nothing i can do about it right now. The PSU with the Fuhhjyus i use to power my hard drive since i got this new motherboard because with the CPUs both running at their rated frequency and voltage, the 5v rail goes so low that my hard drive spins down. The 5v rail on the Xilence is rated for 27A, it's hard to find a PSU with more than 30A on 5v, so not many options here.

Most of my testing equipment, including my scope, is at home, so i can't really do much right now. When i get back home i will build a buck converter that will take power from the 12v rail and pump it into the 5v rail, so that i won't need this secondary PSU anymore. But until then this is the only solution. I could use some resistors to load up the 12v rail so that 5v goes up, but it's hot enough in here as it is.

[370forlife]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

That ATNG I posted has 250W combined on the 5v and 3.3v rail. Just the other day there was anther one on ebay from the same seller I bought it from for $8.20. It either ended or someone snatched it up as I can't find it now. The only thing about that power supply is you would need to do a recap to it. Also the fan runs at a constant 12v.

[Per Hansson]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Blasphemy!
Referring to the "F" brand and mentioning "good" in the same sentence should be grounds for banning on this forum

Anyway, just as Rubycon may once every millionth batch they manufacture make a dud, likewise the F brand may actually manage to make a good batch which does not fail catastrophically in 3 months every millionth batch or so...

Oh, and just because it is not bulging doe not mean it can not have failed already, you realize that aswell right?

[PCBONEZ]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

Because i can't find one suitable for this computer. In my main C2D rig i have a Seasonic SS-500HT, i don't run junk PSUs unless i have a good reason to.

The main PSU of this dual-PIII is a Xilence 420W so that's decent enough as well. However, due to severe crossloading the 5v rail sags and there's nothing i can do about it right now. The PSU with the Fuhhjyus i use to power my hard drive since i got this new motherboard because with the CPUs both running at their rated frequency and voltage, the 5v rail goes so low that my hard drive spins down. The 5v rail on the Xilence is rated for 27A, it's hard to find a PSU with more than 30A on 5v, so not many options here.

Most of my testing equipment, including my scope, is at home, so i can't really do much right now. When i get back home i will build a buck converter that will take power from the 12v rail and pump it into the 5v rail, so that i won't need this secondary PSU anymore. But until then this is the only solution. I could use some resistors to load up the 12v rail so that 5v goes up, but it's hot enough in here as it is.

You need to read up on what the various versions of ATX specs mean then look for the correct PSU for a 5v heavy system.
It's not that hard when you look for the right spec PSU.
.

[Behemot]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

The 5v rail on the Xilence is rated for 27A, it's hard to find a PSU with more than 30A on 5v, so not many options here.

Super Flower-two fans:
SF-400P02: 38 A
SF-430 A02: 40 A
SF-480 A02: 42 A
SF-530 A02: 48 A
Super Flower-one fan:
SF-400P01: 38 A

They also have much better build quality than Xilence.

If you look at similar PSU's of the same age (Enermax, Chieftec, Thermaltake), you'll find they have also more than 30 A@5 V and sometimes close to 40 A, too.

[Th3_uN1Qu3]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

You need to read up on what the various versions of ATX specs mean then look for the correct PSU for a 5v heavy system.
It's not that hard when you look for the right spec PSU.
.

Try finding one in Romania. I have to work with what i have available (okay, the Tualatins and various other P3-related stuff i got from the US, but shipping was a nightmare), so i'd rather not go thru that again. It's hard to find a power supply that adheres to the old 5v-heavy standard except the chinese firecrackers.

I found some Super Flower PSUs here but none of what you mentioned unfortunately.

I'm experienced enough to build a buck converter that supplements the 5v rail with power from 12v, besides, i got lots of motherboard mosfets around, and some synchronous buck converter controllers (like the ones that regulate CPU voltages) as well. I think i can use those for 5v. If not, my custom 555-based controller will probably be called to the rescue again, but it needs to be updated with some protections. In any case, i still have to get home to use my scope.

[Behemot]

Re: Wanna see a power supply with GOOD Fujhyyu caps??

You can buy something on eBay in Germany (or Poland, Austria, Belgium), I'd say most people won't have problem with sending any goods to other EU coutries.

e.g. Enermax EG301AX there are several of this.