DTC3150 Hard Disk/Floppy Controller Settings and Configuration

CONNECTIONS
Function	Location
50-pin SCSI connector-internal	J1
50-pin SCSI connector-external	J2

SCSI ADDRESS
SCSI ID		W1/jumper 1	W1/jumper 2	W1/jumper 3
	0	closed	closed	closed
	1	closed	closed	open
	2	closed	open	closed
	3	closed	open	open
	4	open	closed	closed
	5	open	closed	open
	6	open	open	closed
»	7	open	open	open

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	SCSI parity check enabled	W1/jumper 4	closed
	SCSI parity check disabled	W1/jumper 4	open
»	Normal operation mode	W1/jumper 5	open
	Factory diagnostics enabled	W1/jumper 5	closed
»	Interrupt disabled (for use in DOS environment)	W2/jumper 1	open
	Interrupt enabled	W2/jumper 1	closed
»	IRQ7 (reported to the host at Inquiry Command)	W2/jumper 7	closed
	IRQ2 (reported to the host at Inquiry Command)	W2/jumper 2	closed
	IRQ3 (reported to the host at Inquiry Command)	W2/jumper 3	closed
	IRQ4 (reported to the host at Inquiry Command)	W2/jumper 4	closed
	IRQ5 (reported to the host at Inquiry Command)	W2/jumper 5	closed
	IRQ6 (reported to the host at Inquiry Command)	W2/jumper 6	closed
»	Normal operation mode	W2/jumper 8	open
	Factory diagnostics enabled	W2/jumper 8	closed
»	Factory configured - do not alter	W4	pins 2 & 3 closed

INTERRUPT REQUEST
IRQ		W1/jumper 6	W1/jumper 7	W1/jumper 8
	undefined	closed	closed	closed
	undefined	closed	closed	open
	IRQ2	closed	open	closed
	IRQ3	closed	open	open
	IRQ4	open	closed	closed
	IRQ5	open	closed	open
	IRQ6	open	open	closed
»	IRQ7	open	open	open

BIOS ADDRESS
Address	W3/jumper 1	W3/jumper 2	W3/jumper 3
D400h	closed	closed	closed
D000h	closed	closed	open
CC00h	closed	open	closed
C800h	closed	open	open
E400h	open	closed	closed
E000h	open	closed	open
DC00h	open	open	closed
D800h	open	open	open