UNIDENTIFIED

RTX-05D

Card Type

Serial port card

Chipset/Controller

Unidentified

I/O Options

Serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1 - external

CN1

Serial port 2 - internal

CN2

Note:The location of CN2 is not specified in manufacturer’s documentation.

SERIAL PORT 1 CONFIGURATION

COM/Address

JP1

JP3

»

COM1/3F8h

Closed

Open

 

COM3/3E8h

Open

Closed

 

Disabled

Open

Open

SERIAL PORT 2 CONFIGURATION

COM/Address

JP2

JP4

»

COM2/2F8h

Closed

Open

 

COM4/2E8h

Open

Closed

 

Disabled

Open

Open

SERIAL PORT 1 INTERRUPT SELECT

IRQ

JP5

JP6

»

IRQ3

Open

Closed

 

IRQ4

Closed

Open

 

Disabled

Open

Open

SERIAL PORT 2 INTERRUPT SELECT

IRQ

JP7

JP8

IRQ4

Closed

Open

IRQ3

Open

Closed

Disabled

Open

Open

MISCELLANEOUS TECHNICAL NOTES

Serial ports 1 & 2 must have different IRQs selected.