CA9312 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-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
25-pin parallel port	CN1
40-pin IDE (AT) Interface connector	JP1
2-pin connector - drive active LED	JP2
9-pin serial port 1 - external	JP3
10-pin serial port 2 - internal	JP4
34-pin control cable connector - floppy drive	JP5

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Game port enabled	JP6/Jumper G	Pins 1 & 2 closed
	Game port disabled	JP6/Jumper G	Pins 2 & 3 closed
»	Floppy drive enabled	JP6/Jumper H	Pins 1 & 2 closed
	Floppy drive disabled	JP6/Jumper H	Pins 2 & 3 closed
»	HDD enabled	JP6/Jumper I	Pins 1 & 2 closed
»	HDD disabled	JP6/Jumper I	Pins 2 & 3 closed
»	IRQ7 selected for parallel port	JP9	Pins 1 & 2 closed
	IRQ5 selected for parallel port	JP9	Pins 2 & 3 closed

PARALLEL PORT CONFIGURATION - JP6
LPT/Address	Jumper A	Jumper B
LPT1/378h	Pins 1 & 2 closed	Pins 1 & 2 closed
LPT2/278h	Pins 2 & 3 closed	Pins 1 & 2 closed
Disabled	N/A	Pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION - JP6
COM		Jumper C	Jumper D
»	COM1	Pins 1 & 2 closed	Pins 1 & 2 closed
	COM3	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	N/A	Pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION - JP6
COM		Jumper E	Jumper F
»	COM2	Pins 1 & 2 closed	Pins 1 & 2 closed
	COM4	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	N/A	Pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECT - JP8
IRQ		Jumper A	Jumper B	Jumper C	Jumper D
»	IRQ4	Pins 1 & 2 open	Pins 1 & 2 closed	Pins 1 & 2 open	Pins 1 & 2 open
	IRQ2	Pins 1 & 2 open	Pins 1 & 2 open	Pins 1 & 2 open	Pins 1 & 2 closed
	IRQ3	Pins 1 & 2 closed	Pins 1 & 2 open	Pins 1 & 2 open	Pins 1 & 2 open
	IRQ5	Pins 1 & 2 open	Pins 1 & 2 open	Pins 1 & 2 closed	Pins 1 & 2 open
	Disabled	Pins 1 & 2 open	Pins 1 & 2 open	Pins 1 & 2 open	Pins 1 & 2 open

SERIAL PORT 2 INTERRUPT SELECT - JP8
IRQ		Jumper A	Jumper B	Jumper C	Jumper D
»	IRQ3	Pins 2 & 3 closed	Pins 2 & 3 open	Pins 2 & 3 open	Pins 2 & 3 open
	IRQ2	Pins 2 & 3 open	Pins 2 & 3 open	Pins 2 & 3 open	Pins 2 & 3 closed
	IRQ4	Pins 2 & 3 open	Pins 2 & 3 closed	Pins 2 & 3 open	Pins 2 & 3 open
	IRQ5	Pins 2 & 3 open	Pins 2 & 3 open	Pins 2 & 3 closed	Pins 2 & 3 open
	Disabled	Pins 2 & 3 open	Pins 2 & 3 open	Pins 2 & 3 open	Pins 2 & 3 open