SC16 Sound card Settings and Configuration

Card Type	Sound card
Chip Set	Aztech
I/O Options	CD-ROM interface, game/MIDI port, audio line in, microphone, speaker
Data Bus	16-bit ISA
Card Size	Half-length, full-height card

CONNECTIONS
Function	Label	Function	Label
Mitsumi CD-ROM interface	CN1	Speaker out	CN6
Sony CD-ROM interface	CN2	Game/MIDI port	CN7
Audio in - CD-ROM connector	CN3	PC speaker connector	CN8
Audio line in	CN4	Speaker out connector - internal	SPK1
Microphone in	CN5

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Low amplification on PC speaker	J1	Open
	High amplification on PC speaker	J1	Closed
»	Condenser microphone	JX1	Pins 1 & 2 closed
	Carbon microphone	JX1	Pins 2 & 3 closed
»	Game port enabled	J7	Pins 1 & 2 closed
	Game port disabled	J7	Pins 2 & 3 closed
»	Sound blaster address 220h	J8	Pins 1 & 2 closed
	Sound blaster address 240h	J8	Pins 2 & 3 closed

CODEC I/O ADDRESS SELECTION
Address		J3	J4
»	534h	Pins 2 & 3 closed	Pins 2 & 3 closed
	608h	Pins 1 & 2 closed	Pins 2 & 3 closed
	E84h	Pins 2 & 3 closed	Pins 1 & 2 closed
	F44h	Pins 1 & 2 closed	Pins 1 & 2 closed

CD-ROM I/O ADDRESS SELECTION
Address		J5	J6
»	300h	Pins 2 & 3 closed	Pins 2 & 3 closed
	310h	Pins 1 & 2 closed	Pins 2 & 3 closed
	320h	Pins 2 & 3 closed	Pins 1 & 2 closed
	330h	Pins 1 & 2 closed	Pins 1 & 2 closed

SOUND BLASTER INTERRUPT SELECTION
IRQ		JP2/E	JP2/F	JP2/G	JP2/H
	2	Closed	Open	Open	Open
	3	Open	Closed	Open	Open
	5	Open	Open	Closed	Open
»	7	Open	Open	Open	Closed

CODEC DMA CHANNEL SELECTION
Channel		JP1/G	JP1/H	JP1/I	JP1/J	JP1/K	JP1/L
»	0	Closed	Open	Open	Closed	Open	Open
	1	Open	Closed	Open	Open	Closed	Open
	3	Open	Open	Closed	Open	Open	Closed

CD-ROM DMA CHANNEL SELECTION
Channel		JP1/A	JP1/B	JP1/C	JP1/D	JP1/E	JP1/F
	0	Closed	Open	Open	Closed	Open	Open
	1	Open	Closed	Open	Open	Closed	Open
	3	Open	Open	Closed	Open	Open	Closed
»	Disabled	Open	Open	Open	Open	Open	Open

CD-ROM INTERRUPT SELECTION
IRQ		JP1/M	JP1/N	JP1/O
	11	Closed	Open	Open
	12	Open	Closed	Open
	15	Open	Open	Closed
»	(IRQ not used)	Open	Open	Open

CO INTERRUPT SELECTION
IRQ		JP2/A	JP2/B	JP2/C	JP2/D
	3	Closed	Open	Open	Open
	5	Open	Closed	Open	Open
	7	Open	Open	Closed	Open
»	10	Open	Open	Open	Closed