AMR / CNR Bus??

[Cypher]

Hi there!

I need information about the two relatively new AMR and CNR Bussystems, because I have to write some kind of report/essay here in school about the topic PC-Bussystems.

I haven'T found any sites where I can find inforamtion about these two buses, so would be great if someone of you could provide me with some sites or docs where I can find useful stuff.

Thanks!
Matthias
ATIW Paderborn
Germany

[YODA74]

we do not do home work here only trouble shoot PC's www.google.com (http://www.google.com) is a great search engine.this is all the info I will supply.


All of these slots have one thing in common. Each of them provides an alternative to PCI modem/audio/networking by putting it all into one tidy little dedicated motherboard connector. Essentially, the motherboard houses the main portion of the chipset for modem/audio/networking. The rest of the functionality is furnished by the physical card that is placed in these slots. The differences of these connectors is one that is surrounded in some controversy. AMR is the oldest of the three. It stands for Audio/Modem Riser. Just like the name implies, you can purchase audio or modem cards for this riser. The newest connector, created by Intel, is CNR, which stands for Communication and Networking Riser. And, of course, you cannot use CNR cards in AMR slots and vice versa. Many manufacturers, unhappy with Intel, have banded together to create yet another riser card standard called ACR, which stands for Advanced Communications Riser. While ACR connectors are essentially backward PCI slots (to prevent putting a PCI card in the ACR connector), they still maintain compatibility with the older AMR connector. CNR still remains incompatible with neither AMR nor ACR.


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