Quatech RS-232 Manuale utente

ESC(LP)-100

Eight Channel Low Profile RS-232

Asynchronous Communications Adapter

for PCI bus

User's Manual

QUATECH, INC. TEL: (330) 655-9000

5675 Hudson Industrial Parkway FAX: (330) 655-9010

Hudson, Ohio 44236 http://www.quatech.com

WARRANTY INFORMATION

Quatech, Inc. warrants the ESC(LP)-100 to be free of defects for

five (5) years from the date of purchase. Quatech, Inc. will repair or

replace any board that fails to perform under normal operating conditions

and in accordance with the procedures outlined in this document during

the warranty period. Any damage that results from improper installation,

operation, or general misuse voids all warranty rights.

Please complete the following information and retain for your

records. Have this information available when requesting warranty

service.

DATE OF PURCHASE:

MODEL NUMBER: ESC(LP)-100

PRODUCT DESCRIPTION: Eight Channel Low Profile RS-232

Asynchronous PCI Bus

Communications Adapter

SERIAL NUMBER:

ii ESC(LP)-100 User's Manual

NOTICE

The information contained in this document cannot be reproduced

in any form without the written consent of Quatech, Inc. Likewise, any

software programs that might accompany this document can be used only

in accordance with any license agreement(s) between the purchaser and

Quatech, Inc. Quatech, Inc. reserves the right to change this

documentation or the product to which it refers at any time and without

notice.The authors have taken due care in the preparation of this

document and every attempt has been made to ensure its accuracy and

completeness. In no event will Quatech, Inc. be liable for damages of any

kind, incidental or consequential, in regard to or arising out of the

performance or form of the materials presented in this document or any

software programs that might accompany this document.

Quatech, Inc. encourages feedback about this document. Please

send any written comments to the Technical Support department at the

address listed on the cover page of this document.

DOS, Windows 95/98/2000/ME, Windows NT are trademarks or registered

trademarks of Microsoft Corporation. OS/2 is a registered trademark of IBM

Corporation. All other trademarks or registered trademarks are property of their

respective owners.

iii ESC(LP)-100 User's Manual

Declaration of Conformity

Manufacturer's Name: Quatech Inc.

Manufacturer's Address: 5675 Hudson Industrial Parkway

Hudson, Ohio 44236 (USA)

Application of Council Directive: 89/336/EEC

Standards to which

Conformity is Declared: * EN50081-1 (EN55022,

EN60555-2, EN60555-3)

* EN50082-1 (IEC 801-2,

IEC 801-3, & IEC 801-4)

Type of Equipment: Information Technology

Equipment

Equipment Class: Commercial, Residential, & Light

Industrial

Product Name: PCI Eight-Port Serial

Communications

Card

Model Number : ESC(LP)-100

iv ESC(LP)-100 User's Manual

Table of Contents

10 Troubleshooting ...............................

9 Specifications ....................................

8 PCI Resource Map ..............................

7 External Connections ..........................

6.3.1 QTPCI.EXE .....................................23

6.3 DOS and other operating systems .................23

6.2 OS/2 ...............................................23

6.1 Windows NT ......................................23

6 Other Operating Systems .....................

5.1.1 Changing Resource Settings with Device

Manager ..............................................

5.1 Viewing Resources with Device Manager .........12

5.4.1 Using the "New Hardware Found" Wizard .......12

5.4 Windows 95 .......................................10

5.3 Windows 98 .......................................9

5.2 Windows 2000 ......................................8

5.1 Windows Millennium ..............................8

5 Windows Configurations ......................

4.4.2 Clock Rate Multiplier ...........................6

4.4.1 Enhanced Serial Adapter Identification ..........6

4.4 Options Register ...................................5

4.3 Interrupt Status Register ...........................5

4.2 Enabling the Special Registers ......................4

4.1 Base Address and Interrupt Level (IRQ) ............4

4 Address Map and Special Registers .........

3 Hardware Installation ..........................

2 Hardware Configuration .......................

1 General Information ............................

vESC(LP)-100 User's Manual

vi ESC(LP)-100 User's Manual

1General Information

The Quatech, Inc. ESC(LP)-100 provides eight RS-232 asynchronous

serial communication interfaces for Low Profile IBM-compatible personal

computer systems using the PCI expansion bus. The ESC(LP)-100 uses

Quatech's new Enhanced Serial Adapter design. Legacy serial port data

rates are limited to a maximum of 115,200 bits per second. Quatech

Enhanced Serial Adapters can achieve data rates as high as 921,600 bits

per second.

As a PCI device, the ESC(LP)-100 requires no hardware

configuration. The card is automatically configured by the computer's

BIOS or operating system. The eight serial ports share a single interrupt

line and are addressed in a contiguous block of 64 bytes. Aspecial

interrupt status register is provided to help software to manage the

shared interrupt.

The ESC(LP)-100's serial ports are implemented using

16750-compatible Universal Asynchronous Receiver/Transmitters

(UARTs). These UARTs contain hardware buffers (FIFOs) which reduce

processing overhead and allow higher data rates to be achieved.

The ESC(LP)-100 is supported under several popular operating

systems and environments. Contact the sales department for details on

current software offerings. Most device drivers are available for

download from the Quatech world wide web site at

http://www.quatech.com.

ESC(LP)-100 User's Manual 1

2Hardware Configuration

The ESC(LP)-100 is automatically configured at boot time by the

computer's BIOS or operating system. There are no switches or jumpers to

set for installation. See Section 5.5 for instructions on how to use

Windows Device Manager to view and change resource settings.

ESC(LP)-100 User's Manual 2

3Hardware Installation

1.Turn off the power of the computer system in which the

ESC(LP)-100 is to be installed.

2.Remove the system cover according to the instructions provided by

the computer manufacturer.

3.Install the ESC(LP)-100 in any empty PCI expansion slot. The board

should be secured by installing the Option Retaining Bracket (ORB)

screw.

4.Replace the system cover according to the instructions provided by

the computer manufacturer.

5.Attach and secure the cable connectors to the desired equipment.

6.Turn on the power of the computer system.

Figure 1: ESC(LP)-100 board outline

The output of the ESC(LP)-100 is a 68-pin VHDCI connector. A

choice of cablesis provided to convert the VHDCI into either eight

standard male D-9connectors or eight 10-pin RJ-45 connectors with all

control signals provided to each port (RTS,DTR,CTS, DSR,DCD, and

RI).

ESC(LP)-100 User's Manual 3

4Address Map and Special Registers

This chapter explains how the eight UARTs and special registers

are addressed, as well as the layout of those registers. This material will

be of interest to programmers writing driver software for the

ESC(LP)-100.

4.1Base Address and Interrupt Level (IRQ)

The base address and IRQ used by the ESC(LP)-100 are determined

by the BIOS or operating system. Each serial port uses 8 consecutive I/O

locations. The eight ports reside in a single block of I/O space in eight

byte increments, for a total of 64 contiguous bytes, as shown in Figure 2.

Base Address + 56 to Base Address + 63Serial 8

Base Address + 48 to Base Address + 55Serial 7

Base Address + 40 to Base Address + 47Serial 6

Base Address + 32 to Base Address + 39Serial 5

Base Address + 24 to Base Address + 31Serial 4

Base Address + 16 to Base Address + 23Serial 3

Base Address + 8 to Base Address + 15Serial 2

Base Address + 0 to Base Address + 7Serial 1

I/O Address RangePort

Figure 2--- Port Address Map

All eight serial ports share the same IRQ. The ESC(LP)-100 signals

a hardware interrupt when any port requires service. The interrupt signal

is maintained until no port requires service. Interrupts are level-sensitive

on the PCI bus.

The base address and IRQ are automatically detected by the device

drivers Quatech supplies for various operating systems. For cases where

no device driver is available, such as for operation under DOS, Quatech

supplies the "QTPCI" DOS software utility for manually determining the

resources used. See Section 6.3.1 for details.

ESC(LP)-100 User's Manual 4

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