DATA TECHNOLOGY CORPORATION

DTC2280 (400548-89A)

Card Type

Hard drive controller card

Hard drives supported

Two IDE(AT) interface drives

Floppy drives supported

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

Data-bus

16-bit ISA

Size

Half-length, half-height card

CONNECTIONS

Function

Label

Function

Label

34-pin control cable connector - floppy drive

J1

9-pin serial port 1 - external

J5

40-pin IDE(AT) interface connector

J2

10-pin serial port 2 - internal

J6

Drive active LED

J3

25-pin parallel port - external

J7

16-pin game port - internal

J4

   

USER CONFIGURABLE CONNECTIONS

Function

Location

Setting

»

Factory configured - do not alter

W1

Unidentified

»

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

Closed

 

Game port disabled

W4

Open

»

Parallel port address is 378h (LPT1)

W5

Open

 

Parallel port address is 278 (LPT2)

W5

Closed

»

Serial port 1 address is 3F8h

W6

Open

 

Serial port 1 address is 3E8h

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 1 address is 2F8h

W9

Open

 

Serial port 1 address is 2E8h

W9

Closed

»

Serial port 2 enabled

W10

Open

 

Serial port 2 disabled

W10

Closed

»

IDE(AT) interface enabled

W11

Open

 

IDE(AT) interface disabled

W11

Closed

CONNECTIONS (CONTINUED)

Function

Location

Setting

 

IDE(AT) interface address 170 - 177h

W12

Closed

 

IDE(AT) interface address 1F0 - 1F7h

W12

Open

»

IRQ 15 (secondary) disabled

W13

Closed

 

IRQ 15 (secondary) enabled

W13

Open

»

IRQ 14 (primary) enabled

W14

Open

 

IRQ 14 (primary) disabled

W14

Closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

W15

W16

W17

 

IRQ3

Open

Closed

Open

»

IRQ4

Closed

Open

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W18

W19

W20

»

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

W21

W22

 

IRQ5

Open

Closed

»

IRQ7

Closed

Open

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