PTI-255H Hard Disk/Floppy Controller Settings and Configuration

Card Type	Hard drive controller card
Hard Drives supported	Four EIDE drives
Floppy drives supported	Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus	32-bit VESA Local Bus
Card Size	Full-length, half-height card

CONNECTIONS
Function	Location	Function	Location
4-pin connector - drive active LED	J1	16-pin game port	J5
40-pin primary IDE(AT) connector	J2	10-pin serial port 2 - internal	J6
40-pin secondary IDE(AT) connector	J3	10-pin serial port 2 - internal	J7
34-pin cable connector - floppy drive	J4	25-pin parallel port - external	J8

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	IDE(0) interface enabled	W8	Pins 2 & 3 closed
	IDE(0) interface disabled	W8	Pins 1 & 2 closed
»	IDE(1) interface enabled	W9	Pins 2 & 3 closed
	IDE(1) interface disabled	W9	Pins 1 & 2 closed
»	Floppy drive interface enabled	W22	Open
	Floppy drive interface disabled	W22	Closed
»	Game port enable	W24	open
	Game port disable	W24	closed
»	Serial port 1 enabled	W27	Open
	Serial port 1 disabled	W27	Closed
»	Parallel port enabled	W28	Open
	Parallel port disabled	W28	Closed
»	Serial port 2 enabled	W30	Open
	Serial port 2 disabled	W30	Closed

PARALLEL PORT ADDRESS SELECTION
Setting		Label	Position
»	LPT1 (378h)	W25	Open
	LPT2 (278h)	W25	Closed

SERIAL PORT 1 ADDRESS SELECTION
Setting		Label	Position
»	COM1 (3F8h)	W26	Open
	COM3 (3E8h)	W26	Closed

SERIAL PORT 2 ADDRESS SELECTION
Setting		Label	Position
»	COM2 (2F8h)	W29	Open
	COM4 (2E8h)	W29	Closed

SERIAL PORT 1 INTERRUPT SELECTION
IRQ		W36	W37	W38
	IRQ3	Open	Closed	Open
»	IRQ4	Closed	Open	Open
	IRQ5	Open	Open	Closed

SERIAL PORT 2 INTERRUPT SELECTION
IRQ		W39	W40	W41
»	IRQ3	Closed	Open	Open
	IRQ4	Open	Closed	Open
	IRQ5	Open	Open	Closed

PARALLEL PORT INTERRUPT SELECTION
IRQ		W42	W43
»	IRQ7	Closed	Open
	IRQ5	Open	Closed

PARALLEL PORT MODE SELECTION
Setting		Label	Position
»	Uni-directional	W23	Closed
	Bi-Directional (EPP/ECP)	W23	Open

I/O CHANNEL READY
I/O Channel ready	Label	Position
ISA	W6	Pins 1 & 2 closed
759A	W6	Pins 2 & 3 closed

SPEED SELECTION
Speed		Label	Position
	33MHz	W10	Pins 1 & 2 closed
»	50MHz	W10	Pins 2 & 3 closed

IDE TIMING SELECTION
IDE Timing		W11	W12
	240ns (mode 3)	Pins 1 & 2 closed	Pins 1 & 2 closed
	400ns (mode 2)	Pins 1 & 2 closed	Pins 2 & 3 closed
	500ns (mode 1)	Pins 2 & 3 closed	Pins 1 & 2 closed
»	600ns (mode 0)	Pins 2 & 3 closed	Pins 2 & 3 closed

FLOPPY DISK DRIVE ADDRESS SELECTION
Address		Label	Position
»	3F0h	W21	Open
	370h	W21	Closed