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DTC2278E (400518-89W)

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