AMR, CNR and ACR slots
By Gabriel Torres on October 23, 2004 Page 4 of 4

ACR (Advanced Communications Riser)

This slot was created by ASUS and you will find it only on motherboards from this manufacturer. Physically it is very different from AMR and CNR, because this slot is the same used by the PCI bus, but rotated 180 degrees. So, it is white (CNR and AMR are usually brown) and bigger than the previous slots we've seen. It is located at the same place as the CNR slot: at the motherboard side, besides the last PCI slot.

ACR slot
click to enlarge
Figure 6: ACR slot location.

ACR Audio Card
Figure 7: Example of an ACR audio card.


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