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DTC2280E (400521-89A)

DATA TECHNOLOGY CORPORATION

DTC2280E (400521-89A)

Data bus:

16-bit ISA

Size:

Half-length, half-height card

Hard drive supported:

Two IDE(AT) or EIDE interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

25-pin parallel port - external

J1

9-pin serial port 1 - external

J2

10-pin serial port 2 - internal

J3

16-pin game port - internal

J4

34-pin cable connector - floppy drive

J5

2-pin connector - drive active LED

J6

40-pin IDE(AT) interface connector

J7

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Game port enabled

W1

closed

 

Game port disabled

W1

open

Hard drive interrupt IRQ14 select

W15

pins 1 & 2 closed

 

Hard drive interrupt IRQ15 select

W15

pins 2 & 3 closed

IDE(AT) interface address is 1F0h

W17

pins 1 & 2 closed

 

IDE(AT) interface address is 170h

W17

pins 2 & 3 closed

IDE(AT) interface enabled

W18

pins 2 & 3 closed

 

IDE(AT) interface disabled

W18

pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION

Port 1

W21

W22

COM1

pins 1 & 2 closed

pins 2 & 3 closed

 

COM3

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 2 CONFIGURATION

Port 2

W23

W24

COM2

pins 1 & 2 closed

pins 2 & 3 closed

 

COM4

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT ADDRESS CONFIGURATION

LPT

W19

W20

1 (378h)

pins 2 & 3 closed

pins 1 & 2 closed

 

2 (278h)

pins 1 & 2 closed

pins 2 & 3 closed

 

3 ( BCh)

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

W12

W13

W14

IRQ4

open

open

closed

 

IRQ3

open

closed

open

 

IRQ5

closed

open

open

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W9

W10

W11

IRQ3

open

open

closed

 

IRQ4

open

closed

open

 

IRQ5

closed

open

open

PARALLEL PORT INTERRUPT SELECTION

IRQ

W7

W8

7

open

closed

 

5

closed

open

PARALLEL PORT MODE CONFIGURATION

MODE

W16

W25

Printer

pins 2 & 3 closed

pins 2 & 3 closed

 

ECP/EPP

pins 2 & 3 closed

pins 1 & 2 closed

 

EPP

pins 1 & 2 closed

pins 2 & 3 closed

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

DMA SELECTION

CHANNEL

W3

W4

W5

W6

1

closed

open

closed

open

3

open

closed

open

closed

MISCELLANEOUS TECHNICAL NOTES

The floppy controller in automatically configured: When a cable is attached, it is enabled, when no cable is attached it is disabled.