(Communication and Networking Riser, Elevador de Comunicación y Red). It is an expansion slot on the motherboard for communication devices such as modems, Lan cards or USB.
It was released in February 2000 by Intel on its boards for Pentium processors and was a proprietary design, so it did not extend beyond boards that included Intel chipsets.
It suffered from the same resource issues as devices designed for slot AMR. to this day its not included in plates.
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