DATA TECHNOLOGY CORPORATION

DTC2278E (400518-89W)

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

9-pin serial port 1 - external

CN1

40-pin secondary IDE(AT) connector

J3

25-pin parallel port - external

CN2

34-pin cable connector - floppy drive

J4

2-pin connector - drive active LED

J1

16-pin game port

J5

40-pin primary IDE(AT) connector

J2

10-pin serial port 2 - internal

J7

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

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

W26

Pins 1 & 2 closed

 

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

W26

Pins 2 & 3 closed

»

Floppy drive address 3F0-3F7

W27

Pins 2 & 3 closed

 

Floppy drive address 370-377

W27

Pins 1 & 2 closed

»

Floppy drive interface enabled

W28

Pins 1 & 2 closed

 

Floppy drive interface disabled

W28

Pins 2 & 3 closed

»

Game port enabled

W46

Closed

 

Game port disabled

W46

Open

PARALLEL PORT ADDRESS SELECTION

Setting

W24

W25

»

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

W20

W21

»

COM1 (3F8h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM3 (3E8h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION

Setting

W22

W23

»

COM2 (2F8h)

Pins 1 & 2 closed

Pins 2 & 3 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

W35

W36

W37

»

IRQ4

Closed

Open

Open

 

IRQ3

Open

Closed

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W38

W39

W40

»

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

W41

W42

»

IRQ7

Closed

Open

 

IRQ5

Open

Closed

PARALLEL PORT MODE SELECTION

Setting

W29

W30

Printer mode

Pins 1 & 2 closed

Pins 1 & 2 closed

EPP/SPP

Pins 2 & 3 closed

Pins 1 & 2 closed

EPP/ECP

Pins 1 & 2 closed

Pins 2 & 3 closed

EXT2FDD

Pins 2 & 3 closed

Pins 2 & 3 closed

ECP DMA CHANNEL SELECTION

Channel

Label

Position

1

W31

Pins 1 & 2 closed

3

W31

Pins 2 & 3 closed

PRINTER OUTPUT DIRECTION

Setting

W43

W44

W45

Output

Closed

Open

Open

Bi-directional

Open

Open

Open

DACK1 (DRQ1)

Open

Closed

Open

DACK3 (DRQ3)

Open

Open

Closed