Asus B450 prime, nuvoton 3949s (fan control chip ?)burnt when cpu fan was plugged in. I desoldered the burnt chip but the board is dead besides it lights up the leds on
Why I see the error message "CPU FAN Error" in POST? | Official Support | ASUS USA
Q-Fan Control
![Motherboard] Fan Xpert 4 - Introduction | Official Support | ASUS Global](https://kmpic.asus.com/images/2020/06/05/99bf3e63-2d86-4b3e-b835-56681a7efee1.png "Motherboard] Fan Xpert 4 - Introduction | Official Support | ASUS Global")
Motherboard] Fan Xpert 4 - Introduction | Official Support | ASUS Global
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ASUS │ AI Cooling
CPU FAN vs. CPU OPT (When to use which)
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![SOLVED] - Cannot set bios fan duty below 60% on PWM fan | Tom's Hardware Forum](https://forums.tomshardware.com/proxy.php?image=https%3A%2F%2Fi.ibb.co%2FYNrgNGt%2Fcd7127fd-8883-4966-bd69-9ea7aa882c3d.jpg&hash=a51bdbb51544206b47b4bdcc587d2539 "SOLVED] - Cannot set bios fan duty below 60% on PWM fan | Tom's Hardware Forum")
SOLVED] - Cannot set bios fan duty below 60% on PWM fan | Tom's Hardware Forum
3 Ways to Change Fan Settings if Bios' Power Options Are Hidden
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SpeedFan: A Guide to Universal Motherboard Fan Control - Silent PC Review
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motherboard - ASUS BIOS Q-Fan control: Stop Fan for chassis fans is greyed, can not stop chassis fan #2 - Super User
ASUS Fan Xpert - Download
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![Motherboard] Fan Xpert 4 - Introduction | Official Support | ASUS Global](https://kmpic.asus.com/images/2020/06/05/3290be81-a3a3-4bbc-b0a5-71443f22cdd7.png "Motherboard] Fan Xpert 4 - Introduction | Official Support | ASUS Global")
Motherboard] Fan Xpert 4 - Introduction | Official Support | ASUS Global
PRIME Z590-A｜Motherboards｜ASUS Global
ASUS ROG STRIX B550-F Gaming (WiFi) Review - Fan Control | TechPowerUp
CPU FAN vs. CPU OPT (When to use which)
