This is the Windows Sound System adapter shown. Listed below are the possible Interrupt Request Line (IRQ), Base I/O Address,
Setup Choice for Windows NT 3.5
Windows Sound System
I/O ADDRESS
PIN1-2 PIN2-3 PIN3-4 PIN4-5
530 OFF ON OFF ON
604 ON OFF ON OFF
E80 OFF OFF OFF ON
F40 OFF ON ON OFF
All other settings are set by software.