What Does Audio Modem Riser (AMR) Mean?
An audio modem riser (AMR) is a short riser expansion slot on the motherboard of certain Intel PCs such as Pentium III and IV. Its availability is also visible in AMD Athlon and AMD Duron PCs. The audio modem riser is designed as an easy and inexpensive way to incorporate special sound cards and modems into a system. The AMR slot was first introduced by Intel in 1998 as a way to allow motherboard manufacturers to use an analog input/output (I/O) system for audio and modem functions on an expansion board. Also known as an AMR slot.
Techopedia Explains Audio Modem Riser (AMR)
The AMR was designed to decrease the cost of a computer system in several ways:
