UNIDENTIFIED

XTIO

Card Type

Multi I/O

Chipset/Controller

Unidentified

I/O Options

Clock (location unknown), floppy drive interface, game port,

parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

CN1

Game port

CN4

Serial port 1

CN2

Parallel port

CN5

Serial port 2

CN3

   

PARALLEL PORT CONFIGURATION

LPT

J1

J2

»

LPT1

Pins 1 & 2 closed

Pins 2 & 3 closed

 

LPT2

Pins 2 & 3 closed

Pins 2 & 3 closed

 

Disabled

N/A

Pins 1 & 2 closed

SERIAL PORT CONFIGURATION

Port 1 (CN2)

Port 2 (CN3)

J6

J7

Enabled

Enabled

Open

Open

Enabled

Disabled

Closed

Open

Disabled

Enabled

Open

Closed

Disabled

Disabled

Closed

Closed

PRIMARY SERIAL PORT CONFIGURATION

Address

J3

J4

»

3F8h

Pins 1 & 2 closed

Pins 1 & 2 closed

 

2F8h

Pins 2 & 3 closed

Pins 2 & 3 closed

FLOPPY DRIVE CONFIGURATION

Setting

J5

J8

J9

»

Enabled

Closed

Open

Closed

 

Disabled

Open

Closed

Open

ROM ADDRESS SELECT

Address

J10

CA00h

Pins 1 & 2, 3 & 4 closed

CC00h

Pins 1 & 3, 2 & 4 closed

CE00h

Pins 1 & 2, 5 & 6 closed