DIAMOND FLOWER, INC.

DIO-500

Card Type

Multi I/O

Chipset/Controller

Microcomp Industries

I/O Options

Game port, parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J1

Serial port 1

J3

Game port

J2

Parallel port

J4

SERIAL PORT CONFIGURATION

Port 1 (J3)

Port 2 (J1)

SW1/2

SW1/3

SW1/7

SW1/8

»

COM1

COM2

On

On

On

On

 

COM2

COM3

Off

On

On

On

 

COM3

COM4

On

Off

On

On

 

Disabled

Disabled

N/A

N/A

Off

Off

SERIAL PORT INTERRUPT SELECTION

Port 1 (J3)

SW2/5

SW2/6

SW2/7

SW2/8

»

IRQ4

Off

Off

On

Off

 

IRQ3

Off

On

Off

Off

 

IRQ2

On

Off

Off

Off

 

IRQ5

Off

Off

Off

On

SERIAL PORT INTERRUPT SELECTION

Port 2 (J1)

SW2/1

SW2/2

SW2/3

SW2/4

»

IRQ3

Off

On

Off

Off

 

IRQ4

Off

Off

On

Off

 

IRQ2

On

Off

Off

Off

 

IRQ5

Off

Off

Off

On

SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

Port 1

Port 2

JP1

JP2

»

Normal

Normal

Pins 1 & 2, 4 & 5, 7 & 8 closed

Pins 1 & 2, 4 & 5, 7 & 8 closed

 

Forced True

Forced True

Pins 2 & 3, 5 & 6, 8 & 9 closed

Pins 2 & 3, 5 & 6, 8 & 9 closed

SERIAL PORT'S DTE/DCE CONFIGURATION

Primary serial port J3

Secondary serial port J1

Jumper JP4

Jumper JP3

PARALLEL PORT CONFIGURATION

Parallel port

LPT

SW1/1

SW1/5

»

Enabled

1

Off

On

 

Disabled

2

On

Off

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP5

»

7

Closed

 

5

Open

GAME PORT CONFIGURATION

Port

SW1/4

»

Enabled

On

 

Disabled

Off

FACTORY CONFIGURED - DO NOT ALTER

Switch

Position

SW1/6

N/A