amr and cnr on mobo

  Nessie 21:40 08 Nov 2003

Are the above slots for just modems. If not what else can you put in the slots. if it is just for modems what is the advantage over a pci modem. why have them.

  OldBaldy 21:51 08 Nov 2003

AMR is dedicated for modems (somethin Modem Riser) CNR i THINK (could well be mistaken) can also handle network interfaces. Why do it? Well smaller boards mean less materials cost - might only be a penny a time, but make a couple million and you wouldnt be complainin about the saving, and also the manufacturer may be the only supplier of approved (note approved, not compatible) risers, so more money again....
Better than PCI? Doubt it - other than a possible reduction in overhead on the PCI bus IF there is specific support on the motherboard for the riser...

  woodchip 22:00 08 Nov 2003

I do believe they can be used with a network riser card also, but a primarily for a cheap modem they use the onboard chip

  GrahamP 22:02 08 Nov 2003

AMR - Audio Modem Riser
CNR - Communications and Networking Riser

Cards to fit them are board specific and will only be available from your board manufacturer. Mobo manufacturers do it so they can offer their boards in versions with and without these facilities without having to reserve space on the board for the chips. There's no reason they should be better or worse than PCI or on-board versions. You pays your money.

  woodchip 22:02 08 Nov 2003

PS you also have to use the appropriate Port driver on the Motherboard CD or you will never get it to be recognised

  woodchip 22:17 08 Nov 2003

PS you can get them from Maplin Electronics, They are a standard socket as is a PCI one

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