2.5 KiB
Aquacomputer Quadro fan controller
Driver API and source code available in liquidctl.driver.aquacomputer.
New in 1.11.0.
Initialization
Initialization is currently not required, but is recommended. It outputs the firmware version:
# liquidctl initialize
Aquacomputer Quadro (experimental)
├── Firmware version 1032
└── Serial number 23410-65344
The Quadro automatically sends a status HID report every second as soon as it's connected.
Monitoring
The Quadro exposes four temperature sensors and four groups of fan sensors for optionally connected fans. These groups provide RPM speed, voltage, current and power readings:
# liquidctl status
Aquacomputer Quadro (experimental)
├── Sensor 3 15.9 °C
├── Soft. Sensor 2 40.3 °C
├── Soft. Sensor 3 50.0 °C
├── Soft. Sensor 13 50.0 °C
├── Fan 1 speed 0 rpm
├── Fan 1 power 0.00 W
├── Fan 1 voltage 0.00 V
├── Fan 1 current 0.00 A
├── Fan 2 speed 0 rpm
├── Fan 2 power 0.00 W
├── Fan 2 voltage 12.07 V
├── Fan 2 current 0.00 A
├── Fan 3 speed 360 rpm
├── Fan 3 power 0.00 W
├── Fan 3 voltage 12.07 V
├── Fan 3 current 0.00 A
├── Fan 4 speed 0 rpm
├── Fan 4 power 0.00 W
├── Fan 4 voltage 12.07 V
├── Fan 4 current 0.00 A
└── Flow sensor 0 dL/h
Changed in 1.12.0: read virtual temperature sensors as well.
Programming the fan speeds
Currently, four optionally connected fans can be set to a fixed duty cycle, ranging from 0-100%.
# liquidctl set fan1 speed 56
^^^^ ^^
channel duty
Valid channel values on the Quadro are fan1 through fan4.
Interaction with Linux hwmon drivers
Aquacomputer devices are supported by the mainline Linux kernel with its
aquacomputer_d5next driver, and status data is provided through a standard
hwmon sysfs interface.
Liquidctl automatically detects when a kernel driver is bound to the device
and, whenever possible, uses it instead of directly accessing the device.
Alternatively, direct access to the device can be forced with
--direct-access.