Moxa Technologies C168P User Manual download pdf (Page 8)

1-2 C168P User’s Manual

Hardware Configuration Method

Smartio

Family

JP1

Traditional

Multipoort Board

Jumper

1 2 3 4

Switch

.........

New : set I/O address Traditional : set switch and

and IRQ via software and jumper manually for

Utility. I/O address and IRQ.

Instead of using traditional jumper or switch for IRQ and I/O address settings,

hardware configuration of each port is easily set by DOS utility,

Io-irq.exe, which

reads and writes the on-board EEPROM for configuration information through the

CAP (Configuration Access Port) address. The CAP address is the only channel

via which the configuration utility Io-irq.exe can access the board, which is identical

the first port's base I/O address.

The only jumper,

JP1, is designed in case that users forget the CAP address.

Normally JP1 is left open. When JP1 is short, the CAP address is forced to a fixed

I/O address,

0xA700. However, to adopt quick installation (described later), it is a

must to keep JP1 always short.

Quick Installation

To ease the hardware configuration, users who install only one C168P board under

Windows NT/95/98

are recommended to adopt quick installation described in

Chapter 2.

Because the family is so flexible in hardware configuration that they are compatible

virtually with all kinds of other manufacturer's multiport boards using 16450 or

16550 UART.

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Moxa Technologies C168P User Manual Page 8