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DTC2280 (VER.2)

DATA TECHNOLOGY CORPORATION

DTC2280 (VER.2)

Data bus:

16-bit ISA

Size:

Half-length, Half-height card

Hard drive supported:

Two IDE(AT) interface drives

Floppy drives supported:

360KB, 720KB, 1.2MB, 1.44MB

CONNECTIONS

Function

Location

40-pin IDE(AT) interface connector

JP1

16-pin game port - internal

JP2

9-pin serial port 1 - external

JP3

10-pin serial port 2 - internal

JP4

34-pin control cable connector - floppy drive

JP5

2-pin connector - drive active LED

JP8

25-pin parallel port - external

JP15

USER CONFIGURABLE SETTINGS

Function

Location

Setting

AT bus IDEIOR mode enabled

J1

pins 2 & 3 closed

 

W83758P IDEIOR mode enabled

J1

pins 1 & 2 closed

AT bus IDEIOW mode enabled

J2

pins 2 & 3 closed

 

W83758P IDEIOW mode enabled

J2

pins 1 & 2 closed

Floppy drives A & B normal

JP6/A

pins 1 & 2 closed

 

Floppy drives A & B reversed

JP6/A

pins 2 & 3 closed

USER CONFIGURABLE SETTINGS(CONTINUED)

Function

Location

Setting

Floppy drive interface address 3F0 - 3F7h

JP6/B

pins 2 & 3 closed

 

Floppy drive interface address 370 - 377h

JP6/B

pins 1 & 2 closed

IDE(AT) interface enabled

JP6/C

pins 1 & 2 closed

 

IDE(AT) interface disabled

JP6/C

pins 2 & 3 closed

IDE(AT) interface address 3F6, 3F7, 1F0 - 1F7h

JP6/D

pins 2 & 3 closed

 

IDE(AT) interface address 376, 377, 170 - 177h

JP6/D

pins 1 & 2 closed

Floppy drive interface enabled

JP6/E

pins 1 & 2 closed

 

Floppy drive interface disabled

JP6/E

pins 2 & 3 closed

 

Parallel port is bi-directional

JP11

open

 

Parallel port is unidirectional

JP11

closed

Game port enabled

JP16

closed

 

Game port disabled

JP16

open

Hard drive interrupt is IRQ14

JP18

pins 1 & 2 closed

 

Hard drive interrupt is IRQ15

JP18

pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION

Port 1

JP9/A

JP9/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 CONFIGURATION

Port 2

JP9/C

JP9/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 CONFIGURATION

LPT

JP9/E

JP9/F

1 (378h)

pins 2 & 3 closed

pins 1 & 2 closed

 

2 (278h)

pins 1 & 2 closed

pins 2 & 3 closed

 

3 ( BCh)

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECT

IRQ

JP12/A

JP12/B

JP12/C

IRQ4

closed

open

open

 

IRQ3

open

closed

open

 

IRQ5

open

open

closed

SERIAL PORT 2 INTERRUPT SELECT

IRQ

JP12/D

JP12/E

JP12/F

IRQ3

closed

open

open

 

IRQ4

open

closed

open

 

IRQ5

open

open

closed

PARALLEL PORT INTERRUPT SELECT

IRQ

JP12/G

JP12/H

IRQ7

closed

open

 

IRQ5

open

closed