SP301 Sound card Settings and Configuration

Card Type	Sound card
Chipset Controller	ES1688
I/O Options	CD-ROM audio, CD-ROM interface, game/MIDI port, line in connector, line in, line out, microphone in connector, microphone in, speaker audio connector, speaker audio, wavetable connector (2)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
CD-ROM interface	J1	Speaker audio connector	J7
Sony CD audio in	J2	Game/MIDI port	J8
Wavetable connector	J3	Line in	J9
Wavetable connector	J4	Mic in	J10
Line in connector	J5	Line out	J11
Mic in connector	J6	Speaker audio jack	J12

CD-ROM INTERFACE CONFIGURATION
Setting		JP1/Pins 19 & 20
»	Enabled	Closed
	Disabled	Open

CD-ROM INTERFACE I/O CHANNEL READY CONFIGURATION
Setting		JP1/Pins 21 & 22
»	Disabled	Open
	Enabled	Closed

SOUND CARD MODE SELECTION
Mode		JP1/Pins 3 & 4
»	Sound Blaster PRO V3.01	Closed
	Sound Blaster V2.01	Open

INTERRUPT SELECTION
IRQ		JP1/Pins 5 & 6	JP1/Pins 7 & 8
»	7	Closed	Open
	2/9	Open	Open
	5	Open	Closed
	10	Closed	Closed

DMA CHANNEL SELECTION
Channel		JP1/Pins 9 & 10	JP1/Pins 11 & 12
»	1	Closed	Open
	0	Open	Closed
	3	Closed	Closed
	Disabled	Open	Open

SOUND CARD ADDRESS SELECTION
Address		JP1
»	220h	Pins 15 & 17, 16 & 18 closed
	230h	Pins 13 & 15, 16 & 18 closed
	240h	Pins 14 & 16, 15 & 17 closed
	250h	Pins 13 & 15, 14 & 16 closed

GAME PORT CONFIGURATION
Setting		JP1/Pins 1 & 2
»	Enabled	Closed
	Disabled	Open

MPU-401 CONFIGURATION
Setting		JP2	JP3
»	On board MPU-401	Pins 1 & 3, 2 & 4 closed	Pins 1 & 2 closed
	SP260 MPU-401	Pins 3 & 5, 4 & 6 closed	Pins 2 & 3 closed