EVEREX SYSTEMS, INC.

MAGIC I/O EV170D (VER. 1.0)

Card Type

Multi-I/O card

Chip Set

Unidentified

Maximum Onboard Memory

None

I/O Options

Game port, parallel port, serial ports (2)

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

Game port

J1

Serial port 1

J3

Serial port 2

J2

Parallel port

J4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

8-bit IBM PC/XT slot disabled

CARDSEL

Unidentified

 

8-bit IBM PC/XT slot enabled

CARDSEL

Unidentified

»

Clock/calendar enabled

CLKEN

Closed

 

Clock/calendar disabled

CLKEN

Open

»

Game port enabled

GE

Closed

 

Game port disabled

GE

Open

»

Printer mode

PIO

Pins 2 & 3 closed

 

General purpose I/O

PIO

Pins 1 & 2 closed

»

Factory configured - do not alter

SC1

N/A

»

Factory configured - do not alter

SC2

N/A

PARALLEL PORT ADDRESS SELECTION

Setting

LPTSEL

»

LPT2 (278h)

Pins 1 & 2 closed

 

LPT3 (3BCh)

Pins 3 & 4 closed

 

Disabled

Open

SERIAL PORT 1 ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

»

COM1 (3F8h)

On

Off

Off

Off

 

COM2 (2F8h)

Off

On

Off

Off

 

COM3 (3E8h)

Off

Off

On

Off

 

COM4 (2E8h)

Off

Off

Off

On

 

Disabled

Off

Off

Off

Off

SERIAL PORT 2 ADDRESS SELECTION

Setting

SW1/5

SW1/6

SW1/7

SW1/8

 

COM1 (3F8h)

On

Off

Off

Off

»

COM2 (2F8h)

Off

On

Off

Off

 

COM3 (3E8h)

Off

Off

On

Off

 

COM4 (2E8h)

Off

Off

Off

On

 

Disabled

Off

Off

Off

Off

MAGIC I/O SELECTION

Setting

CLKINT/A

CLKINT/B

CLKINT/C

 

IRQ2

Open

Closed

Open

 

IRQ5

Open

Closed

Open

 

IRQ7

Closed

Open

Open

»

Disabled

Open

Open

Open

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

SI1/A

SI1/B

SI1/C

SI1/D

 

IRQ2

Open

Open

Open

Pins 1 & 2 closed

 

IRQ3

Pins 1 & 2 closed

Open

Open

Open

»

IRQ4

Open

Pins 1 & 2 closed

Open

Open

 

IRQ5

Open

Open

Pins 1 & 2 closed

Open

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

SI1/A

SI1/B

SI1/C

SI1/D

 

IRQ2

Open

Open

Open

Pins 2 & 3 closed

 

IRQ3

Pins 2 & 3 closed

Open

Open

Open

»

IRQ4

Open

Pins 2 & 3 closed

Open

Open

 

IRQ5

Open

Open

Pins 2 & 3 closed

Open

FORCE-TRUES PORT 1 CONFIGURATION

Setting

SCH1/A

SCH1/B

SCH1/C

SCH1/D

DSR

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CTS

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

DCD

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

RI

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Note: The above function disables the force-true options.

FORCE-TRUES PORT 2 CONFIGURATION

Setting

SCH2/A

SCH2/B

SCH2/C

SCH2/D

DSR

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CTS

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

DCD

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

RI

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Note: The above function disables the force-true options.

PARALLEL PORT INTERRUPT SELECTION

IRQ

PTRINT

»

IRQ7

Pins 1 & 2 closed

 

IRQ5

Pins 2 & 3 closed