Expansion card#10393 (Media Vision Pro AudioSpectrum (650-0002-01)) has been dissociated from Chip#2580 (Intel 8253 (Programmable Interval Timer) [uPD8253C, TMP8253P, MSM82C53]) by helencroft

Expansion card#10393 (Media Vision Pro AudioSpectrum (650-0002-01)) has been associated to Chip#7477 (Yamaha YM3014B (DAC-SS) [KS8002, 04191, SC802, FM1314, Y3014B]) by helencroft

Expansion card#10393 (Media Vision Pro AudioSpectrum (650-0002-01)) has been associated to Chip#7420 (National Semiconductor LM1877 (2x2W Audio Power Amplifier) [LM1877]) by helencroft