For auction is a FYI OPTi 82C930A based ISA sound card.

In great shape and warranted non-DOA.

Internal connectors: IDE 40-pin, Wavetable 26-pin, 3x 4-pin CD-audio In, 4-pin Line-In/MPEG
External connectors: Speaker, Line-Out, Line-In, Mic, Game/MIDI

Please see our other auctions for more vintage computer equipment.

The OPTi 82C930A is a highly integrated 16-bit audio controller. It combines Sound Blaster Pro and Windows Sound System (WSS) compatibility. Key hardware specifications include:

• Audio: 16-bit stereo Sigma-Delta Codec (up to 48 kHz sampling).
• Synthesis: Direct OPL2/OPL3 support.
• Connectivity: IDE CD-ROM interface, Game Port, and integrated MPU-401 MIDI UART.

Core Architecture & Compatibility

• Emulation: Hardware-level support for Sound Blaster, Sound Blaster Pro, Ad Lib, and Microsoft Windows Sound System.
• Full Duplex: Dual DMA channels allow for simultaneous playback and recording.
• Compression Support: Built-in decompression for IMA ADPCM, mu-Law, and A-Law.
• Mixer: Integrated 5-channel MPC-compatible stereo mixer with 32-step master volume control

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