DATA TECHNOLOGY CORPORATION

DTC2280 (400485-89A)

Data bus:

16-bit, ISA

Size:

Half-length, half-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

34-pin control cable connector - floppy drive

J1

40-pin IDE(AT) Interface connector

J2

16-pin game port - internal

J3

10-pin serial port (COM1/3/4) - internal

J4

10-pin serial port (COM2/3/4) - internal

J6

25-pin parallel port (LPT1/2/3) - external

J7

2-pin connector - Drive active LED

JP1

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Parallel port is uni-directional

JP3

closed

 

Parallel port is bi-directional

JP3

open

»

Hard drive port address is 3F6-3F7, 1F0-1F7h

JP4/A

pins 2 & 3 closed

 

Hard drive port address is 376-377, 170-177h

JP4/A

pins 1 & 2 closed

»

Hard drive enabled

JP4/B

pins 1 & 2 closed

 

Hard drive disabled

JP4/B

pins 2 & 3 closed

USER CONFIGURABLE SETTINGS (CONTINUED)

Function

Location

Setting

»

Floppy drive port address is 3F0-3F7h

JP4/C

pins 2 & 3 closed

 

Floppy drive port address is 370-377h

JP4/C

pins 1 & 2 closed

»

Floppy drive enabled

JP4/D

pins 1 & 2 closed

 

Floppy drive disabled

JP4/D

pins 2 & 3 closed

SERIAL PORT 1 (J4) CONFIGURATION

COM

JP2/A

JP2/B

»

COM1

pins 1 & 2 closed

pins 2 & 3 closed

 

COM3

pins 2 & 3 closed

pins 1 & 2 closed

 

COM4

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 (J6) CONFIGURATION

COM

JP2/C

JP2/D

»

COM2

pins 1 & 2 closed

pins 2 & 3 closed

 

COM3

pins 1 & 2 closed

pins 1 & 2 closed

 

COM4

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT (J7) CONFIGURATION

LPT

JP2/E

JP2/F

»

LPT1

pins 2 & 3 closed

pins 1 & 2 closed

 

LPT2

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT3

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 (J4) INTERRUPT REQUEST

IRQ

J5/A

J5/B

J5/C

»

IRQ4

closed

open

open

 

IRQ3

open

closed

open

 

IRQ5

open

open

closed

SERIAL PORT 2 (J6) INTERRUPT REQUEST

IRQ

J5/D

J5/E

J5/F

»

IRQ3

closed

open

open

 

IRQ4

open

closed

open

 

IRQ5

open

open

closed

PARALLEL PORT (J7) INTERRUPT REQUEST

IRQ

J5/G

J5/H

»

IRQ7

closed

open

 

IRQ5

open

closed