Card Type	Sound card
Chip Set	Unidentified
Maximum Onboard Memory	None
I/O Options	Game/MIDI port, IDE interface connector, speaker out, line out, line in, microphone in, CD-ROM audio in (2), PC speaker connector, wavetable connector
Data Bus	16-bit ISA

CONNECTIONS
Function	Label	Function	Label
Game/MIDI port	CN1	Audio in - CD-ROM	CN7
Speaker out	CN2	CD-ROM interface - ATAPI	J1
Line out	CN3	PC speaker connector	J2
Microphone in	CN4	Feature connector	J3
Line in	CN5	Audio connector - internal	JP16
Audio in - CD-ROM	CN6

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory default - do not alter	IDEDIS	Open
»	Factory default - do not alter	IOCHRDY	Open
»	Joystick enabled	JYEN	Closed
	Joystick disabled	JYEN	Open
»	Factory default - do not alter	J4	Closed
»	Speaker enable	JP17	Closed
	Speaker disable	JP17	Open
»	MPU-401 port enabled	MPUEN	Closed
	MPU-401 port disabled	MPUEN	Open

IDE I/O ADDRESS
Setting		IDE IO0	IDE IO1
	Secondary	Closed	Open
»	Tertiary	Open	Closed
	Quaternary	Open	Open

AUDIO I/O ADDRESS SELECTION
Address		IOS0	IOS1
»	220h	Closed	Closed
	240h	Open	Closed
	260h	Closed	Open

MPU-401 I/O ADDRESS SELECTION
Address		MSEL
	300h	Open
»	330h	Closed

CSP CHIP SELECTION
		IFSD	APSD
»	Disabled	Closed	Closed
	Enabled	Open	Open
Note: The IFSD and APDS jumpers are enabled on the CT2230S and are disabled on the CT2239s

IRQ SELECTION
IRQ	JP1	JP2	JP3	JP4	JP5
IRQ10	Closed	Open	Open	Open	Open
IRQ11	Open	Closed	Open	Open	Open
IRQ12	Open	Open	Closed	Open	Open
IRQ14	Open	Open	Open	Closed	Open
IRQ15	Open	Open	Open	Open	Closed