DTC3150V (900142-89XX) Hard Disk/Floppy Controller Settings and Configuration

Data bus:	8-bit ISA
Size:	Half-length, half-height card
Hard drive supported:	Up to seven SCSI devices
Floppy drives supported:	None

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

SCSI ID SELECTION
SCSI ID		W6	W7	W8
»	7	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
	0	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed
	1	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
	2	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
	3	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed
	4	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed
	5	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
	6	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Factory configured - do not alter	W3/pins 1 & 2	closed
»	Edge triggered interrupt enabled	W4/pins 2 & 3	closed
	Level triggered interrupt enabled	W4/pins 1 & 2	closed
»	SCSI parity enabled	W5/pins 2 & 3	closed
	SCSI parity disabled	W5/pins 1 & 2	closed
»	Factory configured - do not alter	W16	open
»	Factory configured - do not alter	W17/pins 1 & 2	closed

BIOS ADDRESS SELECTION
Address		W9	W10	W11
»	D800-DBFFh	open	open	open
	C800-CBFFh	open	open	closed
	CC00-CFFFh	closed	open	closed
	D000-D3FFh	open	closed	closed
	D400-D7FFh	closed	closed	closed
	DC00-DFFFh	closed	open	open
	E000-E3FFh	open	closed	open
	E400-E7FFh	closed	closed	open

INTERRUPT SELECTION
IRQ		W1	W2	W12	W13	W14	W15
»	5	pins 1 & 2	pins 2 & 3	open	closed	open	open
	4	pins 2 & 3	pins 2 & 3	closed	open	open	open
	6	pins 2 & 3	pins 1 & 2	open	open	open	closed
	7	pins 1 & 2	pins 1 & 2	open	open	closed	open
	Disabled	pins 1 & 2	pins 1 & 2	open	open	open	open

MISCELLANEOUS TECHNICAL NOTES

Remove terminators only when connecting both internal & external devices.