VTECH INDUSTRIES, INC.

LASER AT MULTI-I/O CARD

I/O Options

Floppy drive interface, IDE interface, game port, parallel port, serial ports (2)

Data Bus

16-bit ISA

Card Size

Full height, half length

Hard Drives Supported

Two IDE-AT devices

Floppy Drives Supported

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

CONNECTIONS

Function

Label

Function

Label

16-pin game port

J1

4-pin drive active LED

J10

34-pin cable connector - floppy drive

J2

40-pin primary IDE(AT) connector

J11

10-pin serial port 2 - internal

J8

25-pin parallel port - external

J12

9-pin serial port 1 - external

J9

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

IDE(AT) interface enabled

J3

Pins 1 & 2 closed

 

IDE(AT) interface disabled

J3

Pins 2 & 3 closed

»

Game port enabled

J13

Pins 1 & 2 closed

 

Game port disabled

J13

Pins 2 & 3 closed

»

Factory configured - do not alter

J16

Pins 1 & 2 closed

»

Floppy interface enabled

J17

Pins 1 & 2 closed

 

Floppy interface disabled

J17

Pins 2 & 3 closed

PARALLEL PORT ADDRESS SELECTION

Setting

J4

 

278h

Pins 2 & 3 closed

»

378h

Pins 1 & 2 closed

 

Disabled

Open

SERIAL PORT ADDRESS SELECTION

Port 1

Port 2

J15

J14

J6

J7

3F8h (COM1:)

2F8h (COM2:)

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

3F8h (COM1:)

3E8h (COM3:)

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

3F8h (COM1:)

2E8h (COM4:)

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

2F8h (COM2:)

3F8h (COM1:)

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

2F8h (COM2:)

3E8h (COM3:)

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

2F8h (COM2:)

2E8h (COM4:)

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

3E8h (COM3:)

3F8h (COM1:)

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

3E8h (COM3:)

2F8h (COM2:)

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

3E8h (COM3:)

2E8h (COM4:)

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

2E8h (COM4:)

3F8h (COM1:)

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

2E8h (COM4:)

2F8h (COM2:)

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

2E8h (COM4:)

3E8h (COM3:)

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Disabled

Disabled

N/A

N/A

Open

Open

SERIAL PORT INTERRUPT SELECTION

Port 1

Port 2

J18

»

IRQ4

IRQ3

Pins 1 & 2, 3 & 4 closed

 

IRQ3

IRQ4

Pins 1 & 3, 2 & 4 closed