PM-550C Hard Disk/Floppy Controller Settings and Configuration

CONNECTIONS
Function	Location
2-pin connector - Drive Active LED	J1
40-pin IDE(AT) Interface connector	CN1
34-pin control cable connector - floppy drive	CN2
9-pin serial port 1 (COM1) - external	CN3
9-pin serial port 2 (COM2) - internal	CN4
25-pin parallel port - external	CN5

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy drive enabled	JP2	pins 2 & 3 closed
	Floppy drive disabled	JP2	pins 1 & 2 closed
»	Hard drive enabled	JP3	pins 2 & 3 closed
	Hard drive disabled	JP3	pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION
Select		JP4/jumper 1	JP4/jumper 3
	Disabled	open	open
»	COM1 (3F8-3FFh)	closed	open
	COM3 (3E8-3EFh)	open	closed
	COM4 (2E8-2EFh)	closed	closed

SERIAL PORT 2 CONFIGURATION
Select		JP4/jumper 2	JP4/jumper 4
	Disabled	open	open
»	COM2 (2F8-2FFh)	closed	open
	COM4 (2E8-2EFh)	open	closed
	COM3 (3E8-3EFh)	closed	closed

PARALLEL PORT CONFIGURATION
Select		JP4/jumper 5	JP4/jumper 6
	Disabled	open	open
»	LPT1 (278-27Fh)	closed	open
	LPT2 (378-37Fh)	open	closed

SERIAL PORT 1 INTERRUPT REQUEST
Select		JP5/jumper 1	JP5/jumper 2	JP5/jumper 3
»	IRQ4	closed	open	open
	IRQ5	open	closed	open
	IRQ9	open	open	closed

SERIAL PORT 2 INTERRUPT REQUEST
Select		JP6/jumper 1	JP6/jumper 2	JP6/jumper 3
»	IRQ3	closed	open	open
	IRQ9	open	closed	open
	IRQ5	open	open	closed

PARALLEL PORT INTERRUPT REQUEST
Select		JP7	JP7A
	Disabled	open	open
	IRQ5	closed	open
»	IRQ7	open	closed