http://www.playtool.com/pages/psunonpc/nonpc.html Splet15. jul. 2008 · Depending on the power supply, the connector may contain one 12 volt rail in all 8 pins or two 12 volt rails taking up 4 pins apiece. It is often refered to as an "EPS12V" …
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The first IBM PC power supply unit (PSU) supplied two main voltages: +5 V and +12 V. It supplied two other voltages, −5 V and −12 V, but with limited amounts of power. Most microchips of the time operated on 5 V power. Of the 63.5 W these PSUs could deliver, most of it was on this +5 V rail. The +12 V supply was used primarily to operate motors such as in disk drives … Splet03. feb. 2024 · Fortunately, the majority of hardware inside a modern PC takes the bulk of its power off the 12V lines anyway, so it's rarely a problem assuming you've picked the … cloud singer szafir
5 Things to Pay Attention to When Choosing A Power Supply
SpletA conventional dual rail ATX12V power supply has two 12 volt rails: 12V1 and 12V2. According to the ATX standard, 12V2 is the 12 volt rail which powers the CPU and is provided by the 4 pin 12 volt cable. 12V1 is the 12 volt rail used in all other power supply cables and powers everything but the CPU. Splet08. nov. 2015 · Nov 7, 2015. #2. the PSU is just a power converter. It converts Alternating Current to Direct Current. PC's use Direct current to power them. The +12V rail is a part of the PSU that produces a positive current at 12 volts. This part is called a rail. There are also a 3.3 Volt and a 5 Volt rail also. 0. SpletThe highest rail is the 12 volts rail, and it’s the most important rail in any power supply, given the fact that it can supply power to most of the main components in a PC. The 80 Plus Rating The 80 Plus rating is an efficiency rating system that shows the reliability of a PSU. cloudsino ibsm