PM-520 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-length, full-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
2-pin connector - drive active LED	J1
34-pin control cable connector - floppy drive	J2
Game port	J3
10-pin serial port 2 - internal	J4
40-pin IDE (AT) Interface connector	J5
9-pin serial port 1 - external	J6
25-pin parallel port	J7

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Embedded hard drive control enabled	JP1 & JP3	Closed
	Embedded hard drive control disabled	JP1 & JP3	Open
»	Factory configured - do not alter	JP2	Pins 2 & 3 closed
»	Floppy drive enabled	JP9	Pins 2 & 3 closed
	Floppy drive disabled	JP9	Pins 1 & 2 closed
»	Factory configured - do not alter	JP10	Pins 2 & 3 closed

PARALLEL PORT CONFIGURATION
LPT/Address		JP4	JP5
»	LPT2/378h	Pins 2 & 3 closed	Pins 2 & 3 closed
	LPT1/3BCh	Pins 1 & 2 closed	Pins 2 & 3 closed
	LPT3/278h	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	Pins 1 & 2 closed	Pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION
COM		JP6	JP8
»	COM1	Pins 2 & 3 closed	Pins 2 & 3 closed
	COM2	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	Pins 1 & 2 closed	N/A

SERIAL PORT 2 CONFIGURATION
COM		JP7	JP8
»	COM2	Pins 2 & 3 closed	Pins 2 & 3 closed
	COM1	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	Pins 1 & 2 closed	N/A