Audio Frequency Data Acquisition

IBM M-ACPA/A

The IBM M-ACPA/A sound card

A 16-bit IBM ACPA sound card (1991).

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2 Responses to IBM M-ACPA/A

  1. Chris M. says:

    So advanced, yet so crippled at the same time. The lack of Sound Blaster (and Adlib) support made it an interesting footnote in Microchannel history. Its MIDI capabilities were pretty lousy and clearly an afterthought too.

  2. Michal Necasek says:

    Sound Blaster compatibility couldn’t exist because the ACPA is older. AdLib compatibility could have, but that probably wasn’t even on IBM’s radar. It may not even have occurred to them that anyone might want AdLib on a digital audio board. Same for MIDI, wasn’t a thing when the ACPA was designed (not on PCs, anyway).

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