DC2300 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	32-bit VESA
Size:	Full-length, half-height card
Hard drive supported:	Two IDE (AT) Interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
40-pin connector - VL/IDE drive interface	J1
4-pin connector - drive activity LED	J2
34-pin connector - Floppy drive interface	J3
16-pin connector - Game port	J4
10-pin connector - Serial port 2	J5
10-pin connector - Serial port 1	J6
25-pin connector - parallel port	J7

DISK DATA TRANSFER RATES
Speed		JP1	JP2	JP3
»	2	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed
	0	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
	4	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
	6	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy controller enabled	JP5/jumper H	pins 2 & 3 closed
	Floppy controller disabled	JP5/jumper H	pins 1 & 2 closed
»	Game port enabled	JP5/jumper I	pins 2 & 3 closed
	Game port disabled	JP5/jumper I	pins 1 & 2 closed
»	Parallel data output only enabled	JP6	pins 2 & 3 closed
	Parallel data input only enabled	JP6	pins 1 & 2 closed
»	IDE disk controller enabled	JP7	Closed
	IDE disk controller disabled	JP7	Open

IDE INTERRUPT SELECTION - JP4
Address		IRQ	Jumper A	Jumper B	Jumper C
»	Primary	IRQ 14	open	closed	open
	Secondary	IRQ 12	closed	open	closed
	Secondary	IRQ 15	open	open	closed

SERIAL PORT 1 ADDRESS - JP5
Address		Jumper A	Jumper B
»	3F8h	pins 1 & 2 closed	pins 1 & 2 closed
	3E8h	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	pins 2 & 3 closed	open

SERIAL PORT 2 ADDRESS - JP5
Address		Jumper C	Jumper D
»	2F8h	pins 2 & 3 closed	pins 2 & 3 closed
	2E8h	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	pins 2 & 3 closed	open

PARALLEL PORT ADDRESS - JP5
Address		Jumper E	Jumper F	Jumper G
»	278h, IRQ7	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
	278h, IRQ5	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed
	378h, IRQ5	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed
	378h, IRQ7	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed
	Disabled	pins 1 & 2 closed	open	open