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PTI-250DW, UN-1081VL

DTK COMPUTER, INC.

PTI-250DW, UN-1081VL

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

IDE(AT) IRQ 14 select

W6

Pins 1 & 2 closed

 

IDE(AT) IRQ 15 select

W6

Pins 2 & 3 closed

Floppy drive address is 3F0h-3F7h

W7

Pins 2 & 3 closed

 

Floppy drive address is 370h-377h

W7

Pins 1 & 2 closed

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

IDE(AT) interface enabled

W9

Pins 1 & 2 closed

 

IDE(AT) interface disabled

W9

Pins 2 & 3 closed

Floppy drive interface enabled

W10

Pins 1 & 2 closed

 

Floppy drive interface disabled

W10

Pins 2 & 3 closed

Game port enabled

W26

Closed

 

Game port disabled

W26

Open

PARALLEL PORT ADDRESS SELECTION

Setting

W15

W16

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

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

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

IRQ4

Closed

Open

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W21

W22

W23

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

W24

W25

IRQ7

Closed

Open

 

IRQ5

Open

Closed

PARALLEL PORT MODE SELECTION

Mode

Label

Position

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