The audio/modem riser (AMR) is a riser expansion slot found on the motherboards of some Pentium III, Pentium 4, Duron, and Athlon personal computers. It was designed by Intel to interface with chipsets and provide analog functionality, such as sound cards and modems , …

The Audio Modem Riser (AMR) was a short-lived expansion slot technology designed for Intel-based computers in the late 1990s and early 2000s. Found primarily in Pentium III, Pentium IV, AMD Athlon , and AMD Duron systems, AMR slots were Intel’s attempt to create a more cost-effective and streamlined approach to integrating audio and modem ...

2000年7月11日 · I've noticed that new motherboards have something called a CNR (Communications Network Riser) or AMR (have no idea what this acronym is). What are these? None of the reviews have really talked...

AMR (Audio Modem Riser), CNR (Communications and Network Riser) and ACR (Advanced Communications Riser) are slots that you can find on your motherboard that have the same goal: to install HSP...

2022年12月23日 · The AMR ‘Audio/Modem Rise’ slots are generally found on Pentium 3 and Pentium 4 computers on some of the motherboards. Intel designed these expansion slots to communicate with the motherboard by offering analog capability. These slots are used to install modems and sound cards.

2023年10月3日 · An Audio Modem Riser (AMR) is a hardware slot or expansion slot on a motherboard designed to accommodate audio, modem, or other communication functionalities as an add-on card. It allows manufacturers to provide cost-effective and flexible solutions for managing motherboard audio and modem devices.

2022年9月12日 · mATX is pretty limited with amount of slots. I want second sound card in there. Absolutely enjoying FM synth by YMF724 card, but want to try AWE64 for fun and experiments with CQM.

2023年11月12日 · Released September 8, 1998, AMR, short for Audio/Modem Riser, allows OEMs to make one card with the functionality of either a Modem or audio or both as one card. This specification allows a motherboard to be manufactured at a lower cost and free up industry standard expansion slots in the system for other additional plug-in peripherals.

The communications network riser (CNR) has largely replaced the AMR, and allows for six-channel digital audio, networking functions, and other high-quality integrated audio support on a riser card. All of these riser cards are proprietary and bundled with the motherboard when originally purchased from the manufacturer.

2018年4月23日 · Audio Modem riser (AMR) slot is used for connecting a specific hardware, such as Cable Modem or Audio Codec. This slot uses a 46-pin, 50-position PCI-like connector; 2 pairs of positions are occupied by key.