Expansion card#6594 (Media Vision THUNDER & LIGHTNING (650-0025-01)) has been dissociated from Chip#7497 (Yamaha YAC512 (2-Channel Floating DAC) [LS-215, DAP16S, DC216, S-012]) by helencroft

Expansion card#6594 (Media Vision THUNDER & LIGHTNING (650-0025-01)) has been associated to Chip#6489 (Yamaha YM3812 (OPL2) [FM1312, YM3812-F, OPL2 / OPLII, KS8001, 02153, 74LS631, FM1312]) by helencroft

Expansion card#6594 (Media Vision THUNDER & LIGHTNING (650-0025-01)) has been associated to Chip#7477 (Yamaha YM3014B (DAC-SS) [KS8002, 04191, SC802, FM1314, Y3014B]) by helencroft