Posted October 20, 2018 Does anyone have a diagram or just know what each wire on a 3 and 4 pin fan connector does? Like what's positive, negative and does nothing? I can't find it anywhere on the internet. Current Gaming build: Specs:CPU: AMD Ryzen 7 3800xCPU Cooler: Corsair H100i PlatinumMotherboard: ASRock X570 Taichi Memory: 2x8GB Corsair Vengeance RGB Pro 3000mhz 15-17-17-35 Graphics Card: Geforce RTX 2080 Graphics Card Cooler: EVGA XC Ultra GamingStorage: 500GB Samsung 860 EVO, 1TB Western Digital BluePSU: Thermaltake Smartpower 750WCase: Corsair 460x BlackCase Cooling: A mix and match of fans Peripherals: Monitor: HP 27eaKeyboard: Corsair K70 RGB MK.2 SEMouse: Corsair Glaive BlackHeadphones: Corsair HS60Microphone: Blue Snowball Black Edition "Gaming" Laptop: Apple MacBook Pro Mid-2012 with Nvidia Geforce Now Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted October 20, 2018 The pins are for Ground, Voltage, RPM sensor, and PWM. If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted October 20, 2018 Typically it's like this, Red - Positive Black - Negative Yellow - RPM sense Red - Positive Black - Negative Yellow - RPM sense Blue - PWM signal Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted August 1, 2023 Hello, I bought a faulty Lenovo ThinkPad T450. I would like to fix it to a desktop pc. No heatsink and no fan on the motherboard. When I start it it shows "fan error" and turn it off itself. I have a Chromebook HP 14-q011sa heatsink and fan. Problem is the fan plug on the motherboard have 5 pins. My fan have 4 pins. It spinning, but still "fan error". I need something more to realize it is there. Semantic, and how I pug the fan :images are attached. Could you help me please how can I use this fan? Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted August 1, 2023 12 hours ago, robagp said: Hello, I bought a faulty Lenovo ThinkPad T450. I would like to fix it to a desktop pc. No heatsink and no fan on the motherboard. When I start it it shows "fan error" and turn it off itself. I have a Chromebook HP 14-q011sa heatsink and fan. Problem is the fan plug on the motherboard have 5 pins. My fan have 4 pins. It spinning, but still "fan error". I need something more to realize it is there. Semantic, and how I pug the fan :images are attached. Could you help me please how can I use this fan? Please start a new thread instead of hijacking and necro-posting. I've been using computers since around 1978, started learning programming in 1980 on Apple IIs, started learning about hardware in 1990, ran a BBS from 1990-95, built my first Windows PC around 2000, taught myself malware removal starting in 2005 (also learned on Bleeping Computer), learned web dev starting in 2017, and I think I can fill a thimble with all that knowledge. I'm not an expert, which is why I keep investigating the answers that others give to try and improve my knowledge, so feel free to double-check the advice I give. My phone's auto-correct is named Otto Rong. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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