Differences

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--- ubiquiti:dream_router:fan_speed [2022/10/10 18:07] – created peter
+++ ubiquiti:dream_router:fan_speed [2022/10/10 18:19] (current) – peter
@@ Line 1: / Line 1: @@
 ====== Ubiquiti - Dream Router - Fan Speed ======
+===== Check Fan Speed =====
+<code bash>
+sensors
+</code>
+returns:
+<code bash>
+lm63-i2c-0-4c
+Adapter: i2c-mt65xx
+fan1:        2166 RPM  (min =    0 RPM)
+temp1:        +54.0°C  (high = +70.0°C)
+temp2:        +53.2°C  (low  =  +0.0°C, high = +70.0°C)
+                       (crit = +125.0°C, hyst = +115.0°C)
+</code>
+----
+===== Change Fan Speed =====
 SSH in.
@@ Line 15: / Line 36: @@
 ----
+===== Check Fan Speed Configuration =====
+<code bash>
+cat /sys/class/hwmon/hwmon0/pwm1_enable
+</code>
+returns
+<code bash>
+</code>
+<WRAP info>
+**NOTE:**  According to the [[https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface|hwmon]] docs at kernel.org, this means that the fan is configured for fixed-speed operation.
+  * The following should enable automatic fan speed control in theory: <code bash>echo 2 > /sys/class/hwmon/hwmon0/pwm1_enable</code>
+  * Check the contents of **sys/class/hwmon/hwmon0/pwm1_auto_point_*** to see a list of temperature settings.
+</WRAP>