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DTC2278D (400544-89A)

DATA TECHNOLOGY CORPORATION

DTC2278D (400544-89A)

Card Type

Hard drive controller card

Data-bus

32-bit VESA Local Bus

Size

Full-length, half-height card

Hard drives supported

Four IDE(AT) interface drives

Floppy drives supported

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

CONNECTIONS

Function

Label

Function

Label

Drive active LED

J1

16-pin game port - internal

J5

40-pin IDE(AT) primary interface connector

J2

9-pin serial port 1 - external

J6

40-pin IDE(AT) secondary interface connector

J3

10-pin serial port 2 - internal

J7

34-pin control cable connector - floppy drive

J4

25-pin parallel port - external

J8

USER CONFIGURABLE CONNECTIONS

Function

Location

Setting

Floppy drive interface enabled

W2

Open

 

Floppy drive interface disabled

W2

Closed

Parallel port is uni-directional

W3

Closed

 

Parallel port is bi-directional

W3

Open

Game port enabled

W4

Open

 

Game port disabled

W4

Closed

Parallel port address is 378h (LPT1)

W5

Open

 

Parallel port address is 278 (LPT2)

W5

Closed

Serial port 1 address is 3F8h (COM1)

W6

Open

 

Serial port 1 address is 3E8h (COM3)

W6

Closed

Serial port 1 enabled

W7

Open

 

Serial port 1 disabled

W7

Closed

Parallel port enabled

W8

Open

 

Parallel port disabled

W8

Closed

Serial port 2 address is 2F8h (COM2)

W9

Open

 

Serial port 2 address is 2E8h (COM4)

W9

Closed

Serial port 2 enabled

W10

Open

 

Serial port 2 disabled

W10

Closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

W11

W12

W13

 

IRQ3

Open

Closed

Open

IRQ4

Closed

Open

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W14

W15

W16

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

W17

W18

 

IRQ5

Open

Closed

IRQ7

Closed

Open