DI-620 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	32-bit, VL-bus
Size:	Three/quarter-length, full-height card
Hard drive supported:	Four IDE (AT) Interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
40-pin IDE(AT) Interface connector (IDE-0)	J1
40-pin IDE(AT) Interface connector (IDE-1)	J2
34-pin control cable connector - floppy drive	J3
10-pin serial port (COM2/4) - internal	J4
10-pin serial port (COM1/3) - external	J5
25-pin parallel port (LPT1/2) - external	J6
4-pin connector - Diagnostic speaker	JP1
4-pin connector - Drive active LED	JP2

USER CONFIGURABLE SETTINGS
Function		Location	Setting
	IDE-0 (J1) read signal damping enabled	JP3	open
	IDE-0 (J1) read signal damping disabled	JP3	closed
	IDE-1 (J2) read signal damping enabled	JP4	open
	IDE-1 (J2) read signal damping disabled	JP4	closed
»	Serial Port 1 (J5) enabled	JP5, JP6	pins 1 & 2 closed
	Serial Port 1 (J5) disabled	JP5, JP6	pins 2 & 3 closed

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Serial Port 2 (J4) enabled	JP7, JP17	pins 1 & 2 closed
	Serial Port 2 (J4) disabled	JP7, JP17	pins 2 & 3 closed
»	Parallel Port (J6) Interrupt is IRQ7	JP14	pins 2 & 3 closed
	Parallel Port (J6) Interrupt is IRQ5	JP14	pins 1 & 2 closed
»	CPU clock speed is 33 MHz or less	JP18	pins 2 & 3 closed
	CPU clock speed is 50 MHz	JP18	pins 1 & 2 closed

PARALLEL PORT (J6) CONFIGURATION
LPT		JP11	JP16
»	LPT1 enabled	pins 2 & 3 closed	pins 1 & 2 closed
	LPT2 enabled	pins 1 & 2 closed	pins 1 & 2 closed
	LPT3 enabled	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	pins 2 & 3 closed	pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTES

J8, J9, and J15 are factory configured to JP8 - pins 2 & 3 closed, JP 9 - pins 1 & 2 closed, JP15 - open - do not alter these settings. The function of Jumpers JP10, JP12, and JP13 is not documented