SoundBlaster Pro Card Emits Noise Upon Windows Exit

SUMMARY

When the Microsoft Windows operating system version 3.1 is exited, the SoundBlaster Pro card sometimes emits a screeching noise.

The noise can be temporarily stopped by running the FMOrgan program that comes with the SoundBlaster card. FMOrgan is an MS-DOS application utilizing the synthesizer that comes with the SoundBlaster card.

To ensure proper use of the SoundBlaster Pro card, do not use the Ad Lib driver.

MORE INFORMATION

The noise is caused by setting the Ad Lib chip into "Wave-Select" mode. The Ad Lib driver will set the synthesizer in Wave-Select mode each time a "warm-reset" is issued. This occurs each time the Ad Lib driver is enabled and opened. On some machines (Gateway 486/33 with the SoundBlaster Pro), the Ad Lib chip causes random voices to make noise.

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Additional query words: 3.10 3.11 3.1

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