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UN-1075

DTK COMPUTER INC.

UN-1075

Card Type

Hard drive controller card

Hard Drives supported

Two IDE (AT or XT) drives

Floppy drives supported

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

Data Bus

16-bit ISA

Card Size

Three-quarter length, half-height card

CONNECTIONS

Function

Location

Function

Location

40-pin primary IDE(AT) connector

JP1

34-pin cable connector - floppy drive

JP5

16-pin game port connector

JP2

Hard disk drive LED connector

JP8

10-pin serial port 1 connector

JP3

25-pin parallel port connector- external

JP15

10-pin serial port 2 connector

JP4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Floppy drive order is normal (A:, B:)

JP6/A

Pins 1 & 2 closed

 

Floppy drive order is reversed (B:, A:)

JP6/A

Pins 2 & 3 closed

Floppy drive address is 370h-377h

JP6/B

Pins 1 & 2 closed

 

Floppy drive address is 3F0h-3F7h

JP6/B

Pins 2 & 3 closed

IDE(AT) interface enabled

JP6/C

Pins 1 & 2 closed

 

IDE(AT) interface disabled

JP6/C

Pins 2 & 3 closed

IDE primary address is 367h, 377h, 170h-177h

JP6/D

Pins 1 & 2 closed

 

IDE secondary address is 3F6h, 3F7h, 1F0h-1F7h

JP6/D

Pins 2 & 3 closed

Floppy drive interface enabled

JP6/E

Pins 1 & 2 closed

 

Floppy drive interface disabled

JP6/E

Pins 2 & 3 closed

Game port enabled

JP16

Closed

 

Game port disabled

JP16

Open

PARALLEL PORT ADDRESS SELECTION

Setting

JP9/E

JP9/F

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

JP9/A

JP9/B

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

JP9/C

JP9/D

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

JP12/A

JP12/B

JP12/C

 

IRQ3

Open

Closed

Open

IRQ4

Closed

Open

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

JP12/D

JP12/E

JP12/F

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP12/G

JP12/H

7

Closed

Open

 

5

Open

Closed

PARALLEL PORT MODE SELECTION

Mode

Label

Position

Uni-directional

JP11

Closed

Bi-directional

JP11

Open

IDEIOR PATH SELECTION

Function

Label

Position

 

W83758p IOROP (buffer)

J1

Pins 1 & 2 closed

ATBUS IOR

J1

Pins 2 & 3 closed

IDEIOW PATH SELECTION

Function

Label

Position

 

W83758p IOWOP (buffer)

J2

Pins 1 & 2 closed

ATBUS IOW

J2

Pins 2 & 3 closed