70 lines
2.4 KiB
Markdown
70 lines
2.4 KiB
Markdown
# Aquacomputer D5 Next watercooling pump
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_Driver API and source code available in [`liquidctl.driver.aquacomputer`](../liquidctl/driver/aquacomputer.py)._
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_New in 1.11.0._<br>
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## Initialization
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Initialization is _currently_ not required, but is recommended. It outputs the firmware version:
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```
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# liquidctl initialize
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Aquacomputer D5 Next (experimental)
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├── Firmware version 1023
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└── Serial number 03500-24905
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```
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The pump automatically sends a status HID report every second as soon as it's connected.
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## Monitoring
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The D5 Next exposes sensor values such as liquid temperature and two groups of fan sensors, for the pump and the
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optionally connected fan. These groups provide RPM speed, voltage, current and power readings. It also supports eight
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virtual temperature sensors, which are user assigned. Currently, they can only be read from the device. The pump
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additionally exposes +5V and +12V voltage rail readings:
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```
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# liquidctl status
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Aquacomputer D5 Next (experimental)
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├── Liquid temperature 26.9 °C
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├── Soft. Sensor 1 50.0 °C
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├── Pump speed 1968 rpm
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├── Pump power 2.56 W
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├── Pump voltage 12.04 V
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├── Pump current 0.21 A
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├── Fan speed 373 rpm
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├── Fan power 0.38 W
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├── Fan voltage 12.06 V
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├── Fan current 0.03 A
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├── +5V voltage 5.01 V
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└── +12V voltage 12.06 V
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```
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_Changed in 1.12.0: read virtual temperature sensors as well._<br>
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## Programming the fan speeds
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Currently, the pump and optionally connected fan can be set to a fixed duty cycle, ranging from 0-100%.
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```
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# liquidctl set pump speed 56
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^^^^ ^^
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channel duty
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```
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Valid channel values on the D5 Next are `pump` and `fan`.
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## Interaction with Linux hwmon drivers
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[Linux hwmon]: #interaction-with-linux-hwmon-drivers
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Aquacomputer devices are supported by the mainline Linux kernel with its
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[`aquacomputer_d5next`] driver, and status data is provided through a standard
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hwmon sysfs interface.
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Liquidctl automatically detects when a kernel driver is bound to the device
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and, whenever possible, uses it instead of directly accessing the device.
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Alternatively, direct access to the device can be forced with
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`--direct-access`.
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[`aquacomputer_d5next`]: https://www.kernel.org/doc/html/latest/hwmon/aquacomputer_d5next.html
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