7v fan mod psu calculator
Insert your Molex-pin remover and pop out the pins one at a time. Reminds me of the those Firesox's in the vault of fail. When the switch is on, you get the full 12V, and when off, the fan runs in series with the resistor. To make the job easier, you can use a Molex-pin removal tool, but it is not necessary. Junit Newbie. Just when I'm thingking about getting a new PSU
Guide to the 7v Fan Mod - Many people, while desiring high It is not a good idea to try this mod when starting a PSU with the wire trick. Fan Voltage Calculator, Fan speed adjustments. The fans in your computer are there for a reason - I will not be held responsible for any to the health of your power supply - though the reasoning has been somewhat spurious. Here's how we would calculate the resistor value required to run a fan at 7V from a 12V.
Easy 7V Mod for Fans TechPowerUp
Most PCs don't provide any way to control the speed of the fans. Running 7V CAN sometimes be potentially stressful for the PSU for technical to dozens of watts, require careful calculation of what goes out of the 5V lead.
In your scenario with the batteries, you would get 6V. On most power supplies, the grounds are all common.
12v to 7v Molex Fan Switch 6 Steps
Find all posts by vorticalbox. Use your removal tool or screwdriver and repeat the steps above.
needs to be done on the side of the connector that the power supply goes into. 12v to 7v Molex Fan Switch: When you have high performance fans [high CFM and static *a molex to fan adapter or some time of female molex connector. Fan speed reducer Air Cooling.
and it just has a resistor in the power wire reducing the voltage from 12v to 7v. though some PSU's dont like this.
there is a calculator for this online if you search 'fan resistor calculator'.
Step One Here is a picture of what we need. MakaluFeb 10, Page 1 of 2.
speed, then build a voltage divider out of 2 resisters and use this calculator to.
Video: 7v fan mod psu calculator Undervolt Your Fans the Ghetto Way - Easy 7V Molex Mod Guide Tutorial Linus Tech Tips
Results 1 - 48 of We understand that air flow requirements differ as well as size requirements Nov 11, The right fan speed will keep your components cool without B. power connector from the power supply contains 2 voltage lines and a computer fan Amazon.
com: Phobya 12V to 7V 3-Pin Fan Adapter Cable. Power Supply FAQ FAQ #1: How much power do I need? The calculator by Snoop-WiggleS at Overclockers Australia gives the most detailed .
FAQ # How can I obtain 7V from a PSU to power a fan at low speed?.
Before this selector my fans sounded like vacuum cleaners and were very distracting when i tried to do anything on my computer and ended up marrying a pair of headphones when gaming instead of using speakers.
Reducing Fan Speeds
It's just a very low end quality, out dated design and over rated by a good W. You really do not need much for this.
To make the adaptor you will need either a dead or cheap 4-pin fan, or a 4-pin to 3-pin adaptor that has four wires between the male and female Molex plugs. I'm waiting on both the cooler and a new case. Contest View Contest.
7v fan mod psu calculator
|Find all posts by Junit Nice, you got it finished.
You must log in or sign up to reply here. They will be pushed into the pin, and chances are the removal tool might have bent them. Anybody got a work around for this?