PTI-250DW, UN-1081VL

DTK COMPUTER, INC.

Card Type

Hard drive controller card

Hard Drives supported

Two IDE (AT) 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

25-pin parallel port - external

CN8

16-pin game port

J4

4-pin connector - drive active LED

J1

Serial port 1

J5

40-pin primary IDE(AT) connector

J2

10-pin serial port 2

J6

34-pin cable connector - floppy drive

J3

USER CONFIGURABLE SETTINGS

Function

Label

Position

ť
IDE(AT) IRQ 14 select

W6

Pins 1 & 2 closed

IDE(AT) IRQ 15 select

W6

Pins 2 & 3 closed

ť
Floppy drive address is 3F0h-3F7h

W7

Pins 2 & 3 closed

Floppy drive address is 370h-377h

W7

Pins 1 & 2 closed

ť
IDE primary address is 1F0h-1F7h, 3F6h-3F7h

W8

Pins 2 & 3 closed

IDE secondary address is 170h-177h, 376h-377h

W8

Pins 1 & 2 closed

ť
IDE(AT) interface enabled

W9

Pins 1 & 2 closed

IDE(AT) interface disabled

W9

Pins 2 & 3 closed

ť
Floppy drive interface enabled

W10

Pins 1 & 2 closed

Floppy drive interface disabled

W10

Pins 2 & 3 closed

ť
Game port enabled

W26

Closed

Game port disabled

W26

Open

PARALLEL PORT ADDRESS SELECTION

Setting

W15

W16

ť
LPT1 (378h)

Pins 2 & 3 closed

Pins 1 & 2 closed

LPT2 (278h)

Pins 1 & 2 closed

Pins 2 & 3 closed

LPT3 (3BCh)

Pins 1 & 2 closed

Pins 1 & 2 closed

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 1 ADDRESS SELECTION

Setting

W11

W12

ť
COM1 (3F8h)

Pins 1 & 2 closed

Pins 2 & 3 closed

COM3 (3E8h)

Pins 2 & 3 closed

Pins 1 & 2 closed

COM4 (2E8h)

Pins 1 & 2 closed

Pins 1 & 2 closed

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION

Setting

W13

W14

ť
COM2 (2F8h)

Pins 1 & 2 closed

Pins 2 & 3 closed

COM3 (3E8h)

Pins 1 & 2 closed

Pins 1 & 2 closed

COM4 (2E8h)

Pins 2 & 3 closed

Pins 1 & 2 closed

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

W18

W19

W20

IRQ3

Open

Closed

Open

ť
IRQ4

Closed

Open

Open

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W21

W22

W23

ť
IRQ3

Closed

Open

Open

IRQ4

Open

Closed

Open

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

W24

W25

ť
IRQ7

Closed

Open

IRQ5

Open

Closed

PARALLEL PORT MODE SELECTION

Mode

Label

Position

ť
Parallel port is uni-directional

W17

Pins 1 & 2 closed

Parallel port is bi-directional

W17

Pins 2 & 3 closed

FOR 33 MHZ VL-BUS COMPUTER (ALSO DX/2 66)

MBytes/sec.

W1

W2

W3

W4

W5

8.3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

7.4

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

6.7

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

6.1

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

5.6

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

5.1

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

4.8

1 &2

1 & 2

1 & 2

2 & 3

1 & 2

4.4

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

4.2

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

3.9

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

3.7

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

3.5

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

3.3

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated are in the closed position

FOR >33 MHZ VL-BUS COMPUTER

Mbytes/sec.

W1

W2

W3

W4

W5

7.2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

6.3

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

5.6

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

5.0

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

4.5

2 & 3

2 & 3

1 & 2

1 & 2

2 & 3

4.2

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

3.8

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

3.6

1 & 2

1 & 2

2 & 3

2 & 2

2 & 3

3.3

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

Note: Pins designated are in the closed position

Card Type	Hard drive controller card
Hard Drives supported	Two IDE (AT) 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
25-pin parallel port - external	CN8	16-pin game port	J4
4-pin connector - drive active LED	J1	Serial port 1	J5
40-pin primary IDE(AT) connector	J2	10-pin serial port 2	J6
34-pin cable connector - floppy drive	J3

USER CONFIGURABLE SETTINGS
Function		Label	Position
ť	IDE(AT) IRQ 14 select	W6	Pins 1 & 2 closed
	IDE(AT) IRQ 15 select	W6	Pins 2 & 3 closed
ť	Floppy drive address is 3F0h-3F7h	W7	Pins 2 & 3 closed
	Floppy drive address is 370h-377h	W7	Pins 1 & 2 closed
ť	IDE primary address is 1F0h-1F7h, 3F6h-3F7h	W8	Pins 2 & 3 closed
	IDE secondary address is 170h-177h, 376h-377h	W8	Pins 1 & 2 closed
ť	IDE(AT) interface enabled	W9	Pins 1 & 2 closed
	IDE(AT) interface disabled	W9	Pins 2 & 3 closed
ť	Floppy drive interface enabled	W10	Pins 1 & 2 closed
	Floppy drive interface disabled	W10	Pins 2 & 3 closed
ť	Game port enabled	W26	Closed
	Game port disabled	W26	Open

PARALLEL PORT ADDRESS SELECTION
Setting		W15	W16
ť	LPT1 (378h)	Pins 2 & 3 closed	Pins 1 & 2 closed
	LPT2 (278h)	Pins 1 & 2 closed	Pins 2 & 3 closed
	LPT3 (3BCh)	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed	Pins 2 & 3 closed

SERIAL PORT 1 ADDRESS SELECTION
Setting		W11	W12
ť	COM1 (3F8h)	Pins 1 & 2 closed	Pins 2 & 3 closed
	COM3 (3E8h)	Pins 2 & 3 closed	Pins 1 & 2 closed
	COM4 (2E8h)	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed	Pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION
Setting		W13	W14
ť	COM2 (2F8h)	Pins 1 & 2 closed	Pins 2 & 3 closed
	COM3 (3E8h)	Pins 1 & 2 closed	Pins 1 & 2 closed
	COM4 (2E8h)	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed	Pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECTION
IRQ		W18	W19	W20
	IRQ3	Open	Closed	Open
ť	IRQ4	Closed	Open	Open
	IRQ5	Open	Open	Closed

SERIAL PORT 2 INTERRUPT SELECTION
IRQ		W21	W22	W23
ť	IRQ3	Closed	Open	Open
	IRQ4	Open	Closed	Open
	IRQ5	Open	Open	Closed

PARALLEL PORT INTERRUPT SELECTION
IRQ		W24	W25
ť	IRQ7	Closed	Open
	IRQ5	Open	Closed

PARALLEL PORT MODE SELECTION
Mode		Label	Position
ť	Parallel port is uni-directional	W17	Pins 1 & 2 closed
	Parallel port is bi-directional	W17	Pins 2 & 3 closed

FOR 33 MHZ VL-BUS COMPUTER (ALSO DX/2 66)
MBytes/sec.	W1	W2	W3	W4	W5
8.3	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
7.4	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2
6.7	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
6.1	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2
5.6	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
5.1	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2
4.8	1 &2	1 & 2	1 & 2	2 & 3	1 & 2
4.4	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
4.2	1 & 2	2 & 3	1 & 2	2 & 3	1 & 2
3.9	1 & 2	2 & 3	2 & 3	2 & 3	1 & 2
3.7	2 & 3	1 & 2	1 & 2	2 & 3	1 & 2
3.5	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2
3.3	2 & 3	2 & 3	1 & 2	2 & 3	1 & 2
Note: Pins designated are in the closed position

FOR >33 MHZ VL-BUS COMPUTER
Mbytes/sec.	W1	W2	W3	W4	W5
7.2	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3
6.3	1 & 2	2 & 3	2 & 3	1 & 2	2 & 3
5.6	2 & 3	1 & 2	1 & 2	1 & 2	2 & 3
5.0	2 & 3	1 & 2	2 & 3	1 & 2	2 & 3
4.5	2 & 3	2 & 3	1 & 2	1 & 2	2 & 3
4.2	2 & 3	2 & 3	2 & 3	1 & 2	2 & 3
3.8	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
3.6	1 & 2	1 & 2	2 & 3	2 & 2	2 & 3
3.3	1 & 2	2 & 3	1 & 2	2 & 3	2 & 3
Note: Pins designated are in the closed position