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The Mockingboard was a sound card for the Apple II family of microcomputers. The standard Apple II machines never had particularly good sound, especially when compared to competitors like the SID chip-enabled Commodore_64. With the notable exception of the Apple_IIGS, all an Apple II programmer could do was send clicks to the speaker.

The Mockingboard was available in various models for either the slot based Apple II / Apple II Plus / Apple IIe systems or in one special model for the Apple IIc. It had an optional speech chip and two AY-3-8910 sound generators, for a total of six square-wave synthesis channels. (The earliest version of the Mockingboard had only one AY-3-8910 chip).