oss_trident(7) SiS7018, 4Dwave, ALIM5451 audio driver.


Open Sound System driver for Trident 4DWave DX/NX, SiS7018 and ALI5451 audio controllers.

Trident device characteristics:

  • 8/16 bit playback/record
  • mono/stereo playback/recording
  • 8KHz to 48Khz sample rate.
  • Upto 8 hardware channels to mixing audio streams


trident_mpu_ioaddr=<xxx> Set the MPU I/O address. Refer to the driver.conf file for valid addresses.


  • Due to PCI addressing limitations any add-on cards based on these chips will not work under Sparc. The only exception is the ALI5451 chip that is used on the main boards on many Sparc based systems.


/etc/oss4/conf/oss_trident.conf Device configuration file


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