9/24/2023 0 Comments Driver sound card sv550 yamaha 724![]() It also can be seen that an electrolytic capacitor has broken from the card in position C31. Sound cards of the day offered the ability to connect a CD-ROM drive, as onboard ATA ports often didn't support ASPI for removable drives. The ALS120 IC does have an IDE interface on board, but it is unimplemented on this card, seen by the number of floating pins on the SM-PLCC package. Sound cards were expected to be able to drive small passive speakers, and this one had jumpers to configure the speaker out between a powered speaker out and a line-level output, for speakers with their own amplifier. The DIP package is a UTC TEA2025 series dual 5W audio amplifier ( which can be reused as a portable amplifier!). Pretty much average, it is what a sound card had to be back then, a DAC (for output), an ADC (for recording) in full-duplex (able to do both at the same time) which is software based unless the Wavetable card is attached. ![]() A budget level ISA sound card from many years ago. ![]()
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