can I damage my x1950pro 512mb turbo edition, by hooking to 18Amps

[ny_driver]

well, my new x1950pro_512_Turbo works fine so far after 1 hour of testing/racing. My psu is 600w xclio greatpower with 4@18Amp 12v rails. It is hooked to a 6 pin connector that is NOT a modular cable. It did come with some modular 6-pinners, but that's besides the point.

 

[Namslas90]

And like I said, this depends entirely on the transformer and it's switching ability. It was a generalization for someone who was asking a very generalized question. You should always look at the total output on the 12v and divide by 12. This will give you the amperage available, regardless of what the individual rails say they supply. Any modern power supply is switching, it's not exactly new technology.

Where are you getting this 20% available draw number from?

Found it while doing research(no longer have the link), only those bay PSU's can add the full power from 2nd rail, but it is seldom necessary.

 

[overcast]

Found it while doing research(no longer have the link), only those bay PSU's can add the full power from 2nd rail, but it is seldom necessary.

I'd really like to read that, because from my understanding, regardless if they are "virtual" or not, each rail has it's own current limiting circuitry. Single rail is better, because you aren't wasting the unused current from the other rails. If the overall amperage is 60A, and you have 4 virtual rails limited to 20A each. You can supply up to 20A on any of them, but not more than 60A combined. Regardless if they are rated to combine to 80A. Multiple rails is part of safety regulations, preventing more than 20A on any one rail - and that is why they are so prevalent today.

 

[overcast]

well, my new x1950pro_512_Turbo works fine so far after 1 hour of testing/racing. My psu is 600w xclio greatpower with 4@18Amp 12v rails. It is hooked to a 6 pin connector that is NOT a modular cable. It did come with some modular 6-pinners, but that's besides the point.

Does the power supply have a wattage rating below the +12V section. I don't want the overall, I want just that.

 

[ny_driver]

no but, it says combined +5v and +3.3v = 180w max.

 

[overcast]

no but, it says combined +5v and +3.3v = 180w max.

Ok so take the overall total - 180w / 12 = 12v Amperage.

 

[EchoingTheSound]

so if the 3v and 5 v pull 180w,we can assume that the 12v is 420w?

 

[ny_driver]

sounds right, but why then does it say 4 rails at 18Amps? How annoying...I almost spent another $200 on new PSU. Seems to work.

EDIT: yup it works perfectly..that's $200.00 towards new snowmobile.

 

[overcast]

sounds right, but why then does it say 4 rails at 18Amps? How annoying...I almost spent another $200 on new PSU. Seems to work.

EDIT: yup it works perfectly..that's $200.00 towards new snowmobile.

Because per current safety regulations, there is a limit on amperage on 12volt rails. So there are 4 virtual lines running from probably one main 12v rail, rather than having 35A on one. They really should have split it between 2, because now you're limiting yourself having it split so many times. 4 is a bit unnecessary, as 35A won't saturate two lines anyhow. If it works it works though.

 

[Namslas90]

Oh and BTW nammy if ur so great with power and math , figure out my story !!!!!!!

Your story is simple. You don't have enough power, thats why your PSU overheats in 30 minutes. Backed up by the fact that you are buying a new one. I don't see where I'm wrong. A PSU larger than you need does not use more electricity or hurt any part of your system. However one that does not supply enough power can hurt your system and cause you to spend more money in the long run for future upgrades. So, yeah your the expert Peety. I never said his PSU would not work, you said I said that. Maybe you need to learn how to read. Or maybe not....because it would not change your mind anyways!

PS: your 'buddy' rick say's hi!

 

[Zubasa]

sounds right, but why then does it say 4 rails at 18Amps? How annoying...I almost spent another $200 on new PSU. Seems to work.

EDIT: yup it works perfectly..that's $200.00 towards new snowmobile.

Your PSU has a PCI-E connector then it should mean it have enough power for the card.
An X1950Pro on its own does not use 18A@+12V.
The X1950Pro draws less than 150W at anytime.

 

[ny_driver]

Thanks for the replies guys seems to work fine, I'll try OC-ing it on 18A Friday when I get home. I think my 1st card just had something wrong with it, so I was woried about hooking up my 2nd one to 18A PSU. Anyways....until Friday

 

[ny_driver]

hello again....just an update, the card goes up to 621/1594 on stock bios and runs great and stays under 50c without even adjusting fan speeds