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What's The Real Meaning Of +12V1 And +12V2?


a noob). Power supplies that have multiple +12V lines do not regulate the lines separately; the lines are only separate in the sense that they have independent protection circuits. And then, there are PC power supplies. You may also...

This is because, as Marc suggested, they take the +12V rail, split it into two circuits and just put a "limit" on each circuit that prevents no more than a specified All the various connectors which supply 12 volts are hooked to that one output. My System Specs Computer type PC/Desktop System Manufacturer/Model Number Own build (new) Desk1 / Asus ROG Win 7 / Desk2 1st build OS Desk1 7 Home Prem / Desk2 10 Pro A single 12V line is now "officially" approved, never mind what ATX12V v2.2 specifies. http://www.techspot.com/community/topics/whats-the-real-meaning-of-12v1-and-12v2.24889/

12v1 And 12v2 Rails

Full Review Samsung Magician 5.0 Reviewed by AlphaC I don't know why Samsung would ever do this, but they made an application that has fewer features just for a more Currently, there are 2280 Active Users (448 Members and 1832 Guests) Recent Discussions › 1.4PB write, 1.9PB read for no reason after 3 years of using... 18 seconds ago › Kaby VGA video card outputs Useful technical information How to install your motherboard chipset drivers Test your motherboard memory with Memtest86 Torture test your CPU with Prime95 How to find specifications for All this means is that if you have 12v1 loaded you should balance it out with 12v2 So hook u your second 480 to 12v2 and you should be alright.

  1. In order to understand the 12 volt rail mess, you first need to know about three different kinds of power supplies.
  2. Pinpointed and confirmed problems. Very good for basic use. 12-15-2010 Reviewer: Drew Bliss (3) Satisfied with use of this tester.
  3. The second issue is...
  4. A few motherboards don't follow the ATX standard on what is powered by 12V1 and 12V2.
  5. There were some refs to replacing the original with Corsairs and Antecs etc which will fit the space Dell have in them.
  6. Full power (let's say 400W) is available when the unit is at 0°C~25°C.
  7. The time now is 11:10.
  8. It's highly unlikely that any mfg would go back to single 12V lines for existing dual 12V line modesl.
  9. My friend-- FSP does not make a bad line of PSU`s.

Not getting zapped is what my Intel power eng copnjectured. What is the meaning of 80 plus label in PSU? Backup and Restore Little bit confused about RAMI am confused about this Ram thing.I have Asus N75SF laptop with two graphic cards. 12v Rails Explained In a high power system where many components are pulling on the 12V line simultaneously (for example, a high power dual video card gaming rig), independent 12V lines could help improve

Join the community here, it only takes a minute. 12v1 12v2 12v3 12v4 I just took a guess and went with the 430 not knowing what video cards I'd end up buying. Much of this comes from the 12V line via the 6-pin PCIe connector for the VGA card. http://www.playtool.com/pages/psumultirail/multirails.html Seriously...

Anyway, I wanted to ask... 12v Rail Power Supply Some people who do power supply testing have reported consistent success at connecting the separate 12 volt rails together. It also allowed higher prices to be charged. A decent 22A PSU will cost <50$.

12v1 12v2 12v3 12v4

TechSpot is a registered trademark. solved Just curious what does -12V on PSU label mean? 12v1 And 12v2 Rails solved What does it mean when a psu says 20+4? Atx 12v1 12v2 There are well-established standards for measuring and rating HDD capacity, an engine's horsepower, or the heat generated by a furnace...

I should say it is only a matter of marketing, or am I wrong? 20A for 12V is about 240W of drained power, neither two SLI 6800ultra can take all that Blue / XX-Large ($6.00) - out of stockFCPU Single Braid / Red / Large ($5.00) - out of stockFCPU Heatpipe / Lt. Inside the PSU?? ChwyNiblet, Nov 20, 2011 ChwyNiblet, Nov 20, 2011 #2 Nov 20, 2011 #3 ShuttleLuv [H]ardness Supreme Messages: 6,755 Joined: Apr 12, 2003 Don't go OCZ. Dual Rail Power Supply Schematic

Corsair most likely rated the thing at 1000 watts to keep it in the 80 plus area. It should be easy to know which kind of 12 volt rails you have but that's not going to happen until PSU makers start putting out real specifications. Toshiba laptop / Desk2 Coolermaster Cooling Fans on all Desk1 -2 Desk2 - all Coolermasters 5 Laptop ? So my question is, am I limiting myself by using this psu?

These are a system builders dream! Psu Rails The real issue is whether the power supply provides enough total current at 12 volts (as well as the other rails) and not whether it has multiple 12 volt rails. Here are the pertinent references in Intel ATX12V v2.2 guide: -- In cases where expected current requirements is greater than 18A a second 12 V rail should be made available. (18x12=216VA,

It is often used to power the 6-pin 12V PCIe outputs. **Many PSUs marked as having dual 12V lines actually have only a single 12V line — they do not feature

jaguarskxAug 30, 2006, 4:56 AM Quote: Hi every body , the question is about PowerSupply ??what is the Meaning of DualRails or TriRails ??for example i see a PSU with these First: Quote:If 240VA limiting is not a requirement for the power supply than all +12V outputs are common and may have the same wire color (yellow). (footnote on p.15)A little more There is a certain amount of power going to the +12v rail(s). Power Supply Rail So the end result is Initial cost is higher with the S12 500 and noise is higher but convience is higher as well.

If you get a good PSU then it may actually meet the vague and incomplete specifications on the label. Useful Searches Recent Posts Menu Forums Forums Quick Links Search Forums Recent Posts Menu Log in Sign up AnandTech Forums: Technology, Hardware, Software, and Deals Forums > Hardware and Technology > This is seems like a dangerous assumption to make. No, you do not combine the rails.

The remaining content is copyright © 2002 - 2016 by SilentPCReview.com. People who do thorough tests on power supplies have written quite a bit about this subject. Thanks. In early 2005, retail PSU models rated for increasingly higher power, as much >600W, are being introduced by many brands.

Please reread the first post! _________________Mike Chin, SPCR Editor/PublisherSupport SPCR by buying your gear through this link: Amazon Top Boots Post subject: Posted: Sat Oct 01, 2005 12:52 Installation & Setup Our Sites Site Links About Us Find Us Vista Forums Eight Forums Ten Forums Help Me Bake Network Status Contact Us Legal Privacy and cookies Windows 7 Forums Current high end VGA cards by themselves can draw >90VA each.