EVEREX SYSTEMS, INC.

MAGIC I/O EV-170B VER. 4.0

Card Type

Multi-I/O

Chipset/Controller

Unidentified

I/O Options

Game port, Parallel port, Serial ports (3)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Serial port 3

CN4

Serial port 1

CN2

Game port

CN5

Serial port 2

CN3

 

 

SERIAL PORT 1 DCE/DTE SELECT

Setting

W20

» DTE

Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12 closed

DCE

Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 11, 10 & 12 closed

SERIAL PORT 1 CONFIGURATION - W5

COM/Address

Jumper A

Jumper B

Jumper C

Jumper D

» COM1/3F8h

Closed

Open

Open

Open

COM2/2F8h

Open

Closed

Open

Open

SERIAL PORT 1 CONFIGURATION - W5

COM/Address

Jumper A

Jumper B

Jumper C

Jumper D

COM3/3E8h

Open

Open

Closed

Open

COM4/2E8h

Open

Open

Open

Closed

Disabled

Open

Open

Open

Open

SERIAL PORT 2 CONFIGURATION - W6

COM/Address

Jumper A

Jumper B

Jumper C

Jumper D

» Disabled

Open

Open

Open

Open

COM1/3F8h

Closed

Open

Open

Open

COM2/2F8h

Open

Closed

Open

Open

COM3/3E8h

Open

Open

Closed

Open

COM4/2E8h

Open

Open

Open

Closed

SERIAL PORT 3 CONFIGURATION - W7

COM/Address

Jumper A

Jumper B

Jumper C

Jumper D

» Disabled

Open

Open

Open

Open

COM1/3F8h

Closed

Open

Open

Open

COM2/2F8h

Open

Closed

Open

Open

COM3/3E8h

Open

Open

Closed

Open

COM4/2E8h

Open

Open

Open

Closed

SERIAL PORT 1 INTERRUPT SELECT - JP1

IRQ

Jumper A

Jumper B

Jumper C

Jumper D

» IRQ4

Open

Closed

Open

Open

IRQ2

Open

Open

Open

Closed

IRQ3

Closed

Open

Open

Open

IRQ5

Open

Open

Closed

Open

Disabled

Open

Open

Open

Open

SERIAL PORT 2 INTERRUPT SELECT - JP1

IRQ

Jumper A

Jumper B

Jumper C

Jumper D

» Disabled

Open

Open

Open

Open

IRQ2

Open

Open

Open

Closed

IRQ3

Closed

Open

Open

Open

IRQ4

Open

Closed

Open

Open

IRQ5

Open

Open

Closed

Open

SERIAL PORT 3 INTERRUPT SELECT - JP1

IRQ

Jumper A

Jumper B

Jumper C

Jumper D

» Disabled

Open

Open

Open

Open

IRQ2

Open

Open

Open

Closed

PARALLEL PORT MODE

Setting

W19

» Printer port

Pins 2 & 3 closed

General purpose I/O port

Pins 1 & 2 closed

PARALLEL PORT CONFIGURATION - W3

LPT/Address

Jumper A

Jumper B

Jumper C

» LPT2/378h

Closed

Open

Open

LPT1/3BCh

Open

Open

Closed

LPT3/278h

Open

Closed

Open

Disabled

Open

Open

Open

PARALLEL PORT INTERRUPT SELECT

IRQ

W8

» IRQ7

Pins 2 & 3 closed

IRQ5

Pins 1 & 2 closed

Disabled

All pins open

GAME PORT

Setting

W2

» Enabled

Closed

Disabled

Open

SHORT SLOT 8 INSTALLATION

Setting

W1

» Installed in standard expansion slot

Open

Installed in short slot 8 of IBM XT

Closed