Zippy Gaming 600W undervolting?

fritzman · Mar 27, 2007

Hiya

Thought I was wise when I bought a nice new Zippy GSM-6600P(G1) 600W psu for my rig, but turns out the voltages are mostly a little low.

Just wondering if it is actually a problem, limiting overclocking of cpu & memory, or a fault with the P5B's reading ability, or not worth worrying about? I have the opportunity to return the unit, but they will only test it, and replace it if it is faulty or falls outside of the tolerances. From what I can find here http://www.zippy.com.tw/P_product_d...ower&pcpw_rfnbr=5&pp_code=Gaming‧GSM-6600P(G1) it is well within the 3% allowable.

Value any thoughts/help.

RollingThunder · Mar 27, 2007

fritzman said:
Hiya

Thought I was wise when I bought a nice new Zippy GSM-6600P(G1) 600W psu for my rig, but turns out the voltages are mostly a little low.

Just wondering if it is actually a problem, limiting overclocking of cpu & memory, or a fault with the P5B's reading ability, or not worth worrying about? I have the opportunity to return the unit, but they will only test it, and replace it if it is faulty or falls outside of the tolerances. From what I can find here http://www.zippy.com.tw/P_product_d...ower&pcpw_rfnbr=5&pp_code=Gaming‧GSM-6600P(G1) it is well within the 3% allowable.

Value any thoughts/help.

You'll only know for sure by checking them with a DMM. I've seen the same many times with software readings, they aren't that accurate. Even if your software is close, you're within 1% error. Checking them at idle and under load should give you a good idea of your power supply. It has a great reputation.

http://www.ocforums.com/showthread.php?t=403837

If you return it, they may not accept software readings for the reason stated above.

Mr. Roboto · Mar 27, 2007

Agreed. NEVER trust the software crap.

fritzman · Mar 27, 2007

Great Scott!!! Asus Probe is wrong!

Hey thanks guys... not used to having to deal with such fine tolerances in my overclocking quests, but now that I (thanks to Wa77z) have some decent ram, I am starting to push some previously unthought of (well for me anyway) boundaries.

Checked the lines with DMM and found (as you guys rightly pointed out, and I really wondered about all along) that the Zippy was fine... swaying rarely as low as 11.97 and generally either 11.98 or 11.99 under Orthos.

Thanks a heap... I'll keep pushing.

Mr. Roboto · Mar 27, 2007

hehe, no problem. Good luck!

Super Nade · Mar 28, 2007

Mate, I have the same unit and the rails have been very stable. I have spent about two hours sitting in front of the DMM to see if there was a drastic change whilst OC'ing (It was a Sunday and I was jobless

). There was none. This has been the best PSU I have owned.

fritzman · Mar 28, 2007

I agree... it's really solid alright, I just got sucked in by Asus Probe.

Very happy with it.

meionm · Mar 28, 2007

When does asus probe show anything right?

Super Nade · Mar 28, 2007

meionm said:
When does asus probe show anything right?

Rhetorical I presume

funnyperson1 · Mar 28, 2007

Yea most software monitors are at least a little bit off. Mine reads 11.90 when my DMM reads 12.16.

fritzman · Mar 28, 2007

I guess the next logical thing for me to do, would be to locate the points on the board to check actual v-core & V-dimm?

greenmaji · Mar 28, 2007

that would tell you how much there drooping.. but that wouldn't be a PSU issue

fritzman · Mar 28, 2007

greenmaji said:
that would tell you how much there drooping.. but that wouldn't be a PSU issue

Understood, but if the Asus readings are off, I assume they are off for v-core & v-dimm as well, therefore it would be handy to know what is actually getting to both, so I can overclock better?

inkfx · Mar 28, 2007

fritzman said:
Understood, but if the Asus readings are off, I assume they are off for v-core & v-dimm as well, therefore it would be handy to know what is actually getting to both, so I can overclock better?

Yep. Knowing the exact voltages would help a bit when it comes to setting them in the BIOS.

Super Nade · Mar 29, 2007

You can calibrate the software with the DMM if you choose to do so. It would be a lot more accurate than the software alone.

Zippy Gaming 600W undervolting?

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