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DTC2278EB

DATA TECHNOLOGY CORPORATION

DTC2278EB

Data bus:

32-bit VL-Bus

Size:

Three/quarter-length, half-height card

Hard drive supported:

Four IDE(AT) or EIDE interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

10-pin serial port 2 - internal

J2

9-pin serial port 1 - external

J3

16-pin game port

J4

34-pin cable connector - floppy drive

J5

40-pin connector - secondary IDE(AT) interface

J6

40-pin connector - primary IDE(AT) interface

J7

4-pin connector - drive active LED

J8

25-pin parallel port - external

J9

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Game port enabled

W29

closed

 

Game port disabled

W29

open

Floppy controller enabled

W30/pins 1 & 2

closed

 

Floppy controller disabled

W30/pins 2 & 3

closed

BIOS ADDRESS SELECTION

Address

W7

W8

W24

C8000-CBFFFh

pins 2 & 3 closed

pins 2 & 3 closed

closed

 

CC000-CFFFFh

pins 2 & 3 closed

pins 1 & 2 closed

closed

 

D8000-DBFFFh

pins 1 & 2 closed

pins 2 & 3 closed

closed

 

DC000-DFFFFh

pins 1 & 2 closed

pins 1 & 2 closed

closed

 

Disabled

N/A

N/A

open

PARALLEL PORT ADDRESS SELECTION

LPT

W18

W19

LPT1 (378h)

pins 2 & 3 closed

pins 1 & 2 closed

 

LPT2 (278h)

pins 1 & 2 closed

pins 1 & 2 closed

 

LPT3 (3BCh)

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 ADDRESS SELECTION

COM

W22

W23

COM1 (3F8h)

pins 1 & 2 closed

pins 1 & 2 closed

 

COM2 (2F8h)

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

COM

W20

W21

COM2 (2F8h)

pins 1 & 2 closed

pins 1 & 2 closed

 

COM1 (3F8h)

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

W15

W16

W17

IRQ4

open

open

closed

 

IRQ3

open

closed

open

 

IRQ5

closed

open

open

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W12

W13

W14

IRQ3

open

open

closed

 

IRQ4

open

closed

open

 

IRQ5

closed

open

open

PARALLEL PORT INTERRUPT SELECTION

IRQ

W10

W11

IRQ7

open

closed

 

IRQ5

closed

open

PARALLEL PORT MODE CONFIGURATION

Mode

W9

W25

W31

Printer (uni-directional)

pins 2 & 3 closed

pins 2 & 3 closed

open

EPP & bi-directional

pins 1 & 2 closed

pins 2 & 3 closed

open

ECP & bi-directional

pins 2 & 3 closed

pins 1 & 2 closed

closed

EPP & ECP

pins 1 & 2 closed

pins 1 & 2 closed

closed

Note: You must select a DMA channel when using ECP mode.

DMA SELECTION

Channel

W1

W2

W3

W4

1

closed

open

closed

open

3

open

closed

open

closed