ASROCK Fatal1ty X79 Champion series User Manual page 48

1. Only one of the front USB ports can support CIR. When CIR is
enabled, the other ports will remain USB ports.
2. The Multi-Angle CIR Receiver is used for the front USB only.
Please do not use the rear USB bracket to connect it on the rear
panel. The Multi-Angle CIR Receiver can receive multi-directional
infrared signals (top, down and front), which is compatible with
most of the chassis on the market.
3. The Multi-Angle CIR Receiver does not support Hot-Plug. Please
install it before you boot the system.
* ASRock Smart Remote is only supported by some ASRock motherboards. Please refer to
ASRock's website for the motherboard support list: http://www.asrock.com
3 CIR sensors in different angles
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