DIAMOND FLOWER, INC.

DIAMOND I/O

Card Type

Multi I/O

Chipset/Controller

National Semiconductor

I/O Options

Parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J1

Parallel port

J3

Serial port 2

J2

 

 

SERIAL PORT CONFIGURATION

Port 1 (J1)

Setting

SW1/switch 3

SW1/switch 6

»

COM1

Enabled

On

Off

 

COM3

Disabled

Off

On

SERIAL PORT CONFIGURATION

Port 2 (J2)

Setting

SW1/switch 4

SW1/switch 7

»

COM2

Enabled

On

Off

 

COM4

Disabled

Off

On

SERIAL PORT INTERRUPT SELECTION

Port 1 (J1)

Port 2 (J2)

SW2/1

SW2/2

SW2/3

SW2/4

»

IRQ4

IRQ3

On

Off

On

Off

 

IRQ3

IRQ4

Off

On

Off

On

SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

Port 1

Port 2

J4

J5

»

Normal

Normal

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

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

 

Forced True

Forced True

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

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

SERIAL PORT'S DTE/DCE CONFIGURATION

Primary serial port J1

Secondary serial port J2

Jumper J6

Jumper J7

PARALLEL PORT SETTINGS

LPT

SW1/switch 1

SW1/switch 5

»

1

On

Off

 

2

Off

On

PARALLEL PORT INTERRUPTS

IRQ

SW2/switch 5

SW2/switch 6

»

IRQ7

On

Off

 

IRQ5

Off

On

CLOCK CONFIGURATION

Clock

SW1/switch 2

»

Enabled

On

 

Disabled

Off

CLOCK INTERRUPT SELECT

IRQ

SW2/switch 7

SW2/switch 8

»

IRQ2

Off

On

 

IRQ5

On

Off