39 lines
1.7 KiB
Plaintext
39 lines
1.7 KiB
Plaintext
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Welcome to use the Linux sound driver for FreeBSD. This
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driver supports the SoundBlaster, SB Pro, Pro Audio Spectrum 16,
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AdLib and Gravis UltraSound sound cards.
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In addition there is rather limited support for MPU-401
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(and compatible) midi cards. Also, the OPL-3 synthesizer
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of the SB Pro and PAS16 cards is now supported in the 4 OP
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modes.
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Most of the features of the /dev/sequencer device file are
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available just for GUS owners.
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The SoundBlaster 16 and SB 16 ASP cards are not supported,
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though they may work in mono mode with speeds < 22 kHz.
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The OPL-3 chicp of the SB 16 should work (without problems?).
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Is there anybody willing to implement the SB 16 support
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(have the SB 16 and the SDK for it)?
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Since this driver is a sound driver, it does not contain support
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for SCSI/CD-ROM/Joystick -devices.
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Known bugs
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----------
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- It's not possible to open /dev/dsp (or /dev/audio) while the
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/dev/sequencer is open for output and GUS is the only soundcard
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installed. It's possible if /dev/dsp is opened before /dev/sequencer
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but at this time the GUS is not available for access via /dev/sequencer.
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This is a limitation of the driver.
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- MPU-401 driver hangs the computer on boot if there is no MPU-401 installed.
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It uses by default the I/O port 0x330, which is also used by the
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Adaptec 1542 SCSI adapter.
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- The /dev/sequencer playback to GUS sounds sometimes rather weird. Hitting
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^C and playing again should solve this problem. This is probably caused by
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incompatibilities between the GUS and certain VLB motherboards. Try to avoid
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switching between VTs while patches are being loaded to the GUS.
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- There is a skeleton of the patch manager support. It doesn't work in
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this version.
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