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# ASUS Ryuo I Liquid Coolers
_Driver API and source code available in [`liquidctl.driver.asus_ryuo`](../liquidctl/driver/asus_ryuo.py)._
_New in 1.16.0._<br>
## Initialization
Initialization is not required. It outputs the firmware version:
```
# liquidctl initialize
ASUS Ryuo I 240
└── Firmware version AURO0-S452-0205
```
## Monitoring
This driver does **not** report status information (e.g. temperature, fan RPM, or duty cycle).
```
# liquidctl status
ASUS Ryuo I 240
└── No status available
```
## Speed control
### Setting fixed fan speed
Use channel `fans` or `fan` to set the speed of all fans connected to the cooler:
```
# liquidctl set fans speed 60
```
Only a single fan channel is available. Speeds are set as a fixed percentage (duty cycle) from 0–100%.
### Duty to speed relation
The resulting speeds do not scale linearly to the set duty values.
For example duty values below 20% result in no changes in pump speed.
Fan duty values approximately map to the following speeds (± 10%):
| Duty (%) | Fan speed (rpm) |
|:---:|:---:|
| 0 | 810 |
| 10 | 810 |
| 20 | 810 |
| 30 | 1110 |
| 40 | 1380 |
| 50 | 1590 |
| 60 | 1830 |
| 70 | 2070 |
| 80 | 2250 |
| 90 | 2430 |
| 100 | 2580 |
## Limitations
- No telemetry (fan speed, liquid temperature, etc.) is currently available.
- Only fixed fan speed control is supported.
- The cooler’s screen is not supported.
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