/etc/oss4/conf/oss_ymf7xx.conf is in oss4-base 4.2-build2010-5ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | # Open Sound System configuration file
# Remove the '#' in front of the option(s) you like to set.
#
#
# Yamaha DSXG MPU I/O Address
# Values: 0x300, 0x330, 0x332, 0x334 Default: 0
#
#
#yamaha_mpu_ioaddr=0
#
#
# Yamaha DSXG MPU IRQ
# Values: 5, 7, 9, 10, 11 Default: 0
#
#
#yamaha_mpu_irq=0
#
#
# Yamaha DSXG FM IO Address
# Values: 0x388, 0x398, 0x3a0, 0x3a8 Default: 0
#
#yamaha_fm_ioaddr=0
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