SQ-688C Sound card Settings and Configuration

Card Type	Sound card
Chipset Controller	Unidentified
I/O Options	Audio connector (3), CD-ROM IDE interface, game/MIDI port, line in, microphone in, line out, volume, wavetable interface
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Game/MIDI port	CN1	LED connector	JP1
CD-ROM IDE interface	J1	Audio connector	JP12
Wavetable interface	J2	Audio connector	JP13
Line in	J3	Audio connector	JP14
Mic in	J4	Volume	VR1
Line out	J5

BASE I/O ADDRESS SELECTION
Address		JP10	JP11
»	220h	Pins 2 & 3 closed	Pins 2 & 3 closed
	230h	Pins 2 & 3 closed	Pins 1 & 2 closed
	240h	Pins 1 & 2 closed	Pins 2 & 3 closed
	250h	Pins 1 & 2 closed	Pins 1 & 2 closed

INTERRUPT SELECTION
IRQ		JP8/Pins 5 & 6	JP8/Pins 7 & 8
»	7	Closed	Open
	2/9	Open	Open
	5	Open	Closed
	10	Closed	Closed

DMA CHANNEL SELECTION
Channel		JP8/Pins 1 & 2	JP8/Pins 3 & 4
»	1	Closed	Open
	0	Open	Closed
	3	Closed	Closed

IDE INTERRUPT CONFIGURATION
IRQ		JP2	JP4
»	15 (Secondary)	Pins 1 & 2 closed	Pins 1 & 2 closed
	14 (Primary)	Pins 2 & 3 closed	Pins 2 & 3 closed

IDE CONFIGURATION
Setting		JP3
»	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed

GAME PORT CONFIGURATION
Setting		JP9
»	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed