A site for laptop musicians.
"The Musical Notebook Computer"
http://members.aol.com/notebooks1

For example it describes

The EMU8710ps is a GM/GS-compatible wavetable synth enhanced with 2 MB of SoundFont RAM. It's also a 16-bit/44.1kHz full duplex* audio card which, when connected to the optional breakout box, features S/PDIF optical digital outputs. (*Mono record/Stereo playback) EMU8710ps

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