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DTC2280 (400485-89C)

DATA TECHNOLOGY CORPORATION

DTC2280 (400485-89C)

Card Type

Hard drive controller card

Hard Drives supported

Two IDE (AT) drives

Floppy drives supported

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

Data Bus

16-bit ISA

Card Size

Half-length, half-height card

CONNECTIONS

Function

Location

Function

Location

9-pin serial port 1 - external

CN1

10-pin serial port 2 - internal

JP4

40-pin primary IDE(AT) connector

JP1

34-pin cable connector - floppy drive

JP5

16-pin game port

JP2

2-pin connector - drive active LED

JP8

10-pin serial port 1 - internal

JP3

25-pin parallel port - external

JP15

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Floppy drive order is normal (A:, B:)

JP6/A

Pins 1 & 2 closed

 

Floppy drive order is reversed (B:, A:)

JP6/A

Pins 2 & 3 closed

»

Floppy drive address 3F0h

JP6/B

Pins 2 & 3 closed

 

Floppy drive address 370h

JP6/B

Pins 1 & 2 closed

»

IDE interface enabled

JP6/C

Pins 1 & 2 closed

 

IDE interface disabled

JP6/C

Pins 2 & 3 closed

»

IDE address is 170h

JP6/D

Pins 1 & 2 closed

 

IDE address is 1F0h

JP6/D

Pins 2 & 3 closed

»

Floppy drive interface enabled

JP6/E

Pins 1 & 2 closed

 

Floppy drive interface disabled

JP6/E

Pins 2 & 3 closed

»

Game port enabled

JP16

Closed

 

Game port disabled

JP16

Open

IDEIOR/IDEIOW PATH SELECTION

Path

Label

Position

»

ATBUS IOR

J1

Pins 2 & 3 closed

 

W83758P—IOROP

J1

Pins 1 & 2 closed

»

ATBUS IOW

J2

Pins 2 & 3 closed

 

W83758P—IOWOP

J2

Pins 1 & 2 closed

PARALLEL PORT ADDRESS SELECTION

Setting

JP9/E

JP9/F

»

LPT1 (378h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

LPT2 (278h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

LPT3 (3BCh)

Pins 1 & 2 closed

Pins 1 & 2 closed

SERIAL PORT 1 ADDRESS SELECTION

Setting

JP9/A

JP9/B

»

COM1 (3F8h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM3 (3E8h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION

Setting

JP9/C

JP9/D

»

COM2 (2F8h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM4 (2E8h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

JP12/A

JP12/B

JP12/C

»

IRQ4

Closed

Open

Open

 

IRQ3

Open

Closed

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

JP12/D

JP12/E

JP12/F

»

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP12/G

JP12/H

»

IRQ7

Closed

Open

 

IRQ5

Open

Closed