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DTC2280 (400485-89D)

DATA TECHNOLOGY CORPORATION

DTC2280 (400485-89D)

Data-bus

16-bit ISA

Size

Half-length, half-height card

Hard drives supported

Two IDE(AT) interface drives

Floppy drives supported

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

CONNECTIONS

Function

Label

Function

Label

40-pin IDE(AT) interface connector

JP1

34-pin control cable connector - floppy drive

JP5

16-pin game port - internal

JP2

2-pin connector - drive active LED

JP8

9-pin serial port 1 - external

JP3

25-pin parallel port - external

JP15

10-pin serial port 2 - internal

JP4

   

USER CONFIGURABLE SETTINGS

Function

Location

Setting

AT bus IDE I/O Read path enabled

J1

Pins 2 & 3 closed

 

W83758P IDE I/O Read path enabled

J1

Pins 1 & 2 closed

AT bus IDE I/O Write path enabled

J2

Pins 2 & 3 closed

 

W83758P IDE I/O Write path enabled

J2

Pins 1 & 2 closed

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 interface address 3F0 - 3F7h

JP6/B

Pins 2 & 3 closed

 

Floppy drive interface address 370 - 377h

JP6/B

Pins 1 & 2 closed

IDE(AT) interface enabled

JP6/C

Pins 1 & 2 closed

 

IDE(AT) interface disabled

JP6/C

Pins 2 & 3 closed

IDE(AT) interface address 3F6, 3F7, 1F0 - 1F7h

JP6/D

Pins 2 & 3 closed

 

IDE(AT) interface address 376, 377, 170 - 177h

JP6/D

Pins 1 & 2 closed

Floppy drive interface enabled

JP6/E

Pins 1 & 2 closed

 

Floppy drive interface disabled

JP6/E

Pins 2 & 3 closed

Parallel port is bi-directional

JP11

Open

 

Parallel port is unidirectional

JP11

Closed

Game port enabled

JP16

Closed

 

Game port disabled

JP16

Open

SERIAL PORT 1 CONFIGURATION

Port 1

JP9/A

JP9/B

COM1

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM3

Pins 2 & 3 closed

Pins 1 & 2 closed

 

COM4

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

Port 1

JP9/C

JP9/D

COM2

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM3

Pins 1 & 2 closed

Pins 1 & 2 closed

 

COM4

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

LPT

JP9/E

JP9/F

1 (378h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

2 (278h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

3 (3BCh)

Pins 1 & 2 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

IRQ4

Closed

Open

Open

 

IRQ3

Open

Closed

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

IRQ7

Closed

Open

 

IRQ5

Open

Closed