DTK COMPUTER, INC.

PTI-207 AT RS-232 4 PORT

Card Type

Serial card

Chip Set

8250 CHIP

Maximum Onboard Memory

None

I/O Options

serial ports (4)

Data Bus

Unidentified

CONNECTIONS

Function

Label

Function

Label

Serial port 1

J1

Serial port 3

J3

Serial port 2

J2

Serial port 4

J4

USER CONFIGURABLE SETTINGS

Function

Label

Position

Serial port 1 IRQ4 enabled

JP1/1

Pins 1 & 2 closed

Serial port 1 IRQ3 enabled

JP1/1

Pins 2 & 3 closed

Serial port 2 IRQ4 enabled

JP1/2

Pins 1 & 2 closed

Serial port 2 IRQ3 enabled

JP1/2

Pins 2 & 3 closed

Serial port 3 IRQ5 enabled

JP1/3

Pins 1 & 2 closed

Serial port 3 IRQ2 enabled

JP1/3

Pins 2 & 3 closed

Serial port 4 IRQ5 enabled

JP1/4

Pins 1 & 2 closed

Serial port 4 IRQ2 enabled

JP1/4

Pins 2 & 3 closed

BASE I/O ADDRESS SELECTION (SERIAL PORT 1)

Setting

SW1/1

SW1/3

SW1/5

3F8h - 3FFh

On

Off

Off

2F8h - 2FFh

Off

On

Off

3E8h - 3EFh

Off

Off

On

BASE I/O ADDRESS SELECTION (SERIAL PORT 2)

Setting

SW1/2

SW1/4

SW1/6

3F8h - 3FFh

Off

On

Off

2F8h - 2FFh

On

Off

Off

2E8h - 2EFh

Off

Off

On

BASE I/O ADDRESS SELECTION (SERIAL PORT 3)

Setting

SW1/7

SW1/9

3E8h - 3EFh

On

Off

2E8h - 2EFh

Off

On

BASE I/O ADDRESS SELECTION (SERIAL PORT 4)

Setting

SW1/8

SW1/10

3E8h - 3EFh

Off

On

2E8h - 2EFh

On

Off