Adaptec AHA-2740W Bedienungsanleitung

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: i

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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▼ ▼ ▼ ▼ AHA-2740W/2742W

Single-ended

AHA-2744W Differential

EISA-to-Fast/Wide SCSI Host Adapters

Installation Guide

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: ii

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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be reproduced, stored in a retrieval system, or transmitted in any form or by any

means; electronic, mechanical, photocopying, recording or otherwise, without the

prior written consent of Adaptec, Inc., 691 South Milpitas Blvd., Milpitas, CA 95035.

Trademarks

Adaptec, the Adaptec logo, AHA, and EZ-SCSI are trademarks of Adaptec, Inc.

which may be registered in some jurisdictions.

Windows NT is a trademark, and Windows and Windows 95 are registered trade-

marks of Microsoft Corporation in the U.S. and other countries used under license.

All other trademarks used are owned by their respective owners.

Changes

The material in this document is for information only and is subject to change with-

out notice. While reasonable efforts have been made in the preparation of this docu-

ment to assure its accuracy, Adaptec, Inc. assumes no liability resulting from errors or

omissions in this document, or from the use of the information contained herein.

Adaptec reserves the right to make changes in the product design without reservation

and without notification to its users.

iii

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: iii

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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Adaptec Technical Support and Services

If you have questions about installing or using your Adaptec product, check this doc-

ument first—you will find answers to most of your questions here. If you need fur-

ther assistance, please contact us. We offer the following support and information

services:

■For technical support, for information about the Adaptec Electronic Bulletin Board

Service (BBS) and the File Transfer Protocol (FTP) and World Wide Web (WWW)

Servers, and for access to the Interactive Fax system, call 800-959-SCSI (7274) or

408-945-2550, 24 hours a day, 7 days a week. To speak with a product support

representative, call 408-934-SCSI (7274), Monday through Friday, 6:00 A.M. to

5:00 P.M., Pacific Time; after these hours, on weekends, and on holidays, product

support is also available for a fee at 800-416-8066.

– The Adaptec BBS provides answers to commonly asked questions and infor-

mation on software upgrades and other topics. The BBS is available 24 hours

a day, 7 days a week, at 408-945-7727; 1200/2400/9600/14,400/28,800 baud,

8 data bits, 1 stop bit, no parity.

– The Adaptec FTP and WWW Servers provide product literature, answers to

commonly asked questions, and information on software upgrades and other

topics. The FTP and WWW Servers are available from the Internet 24 hours a

day, 7 days a week, at ftp.adaptec.com and http://www.adaptec.com.

– The Adaptec Interactive Fax system provides product literature, answers to

commonly asked questions, and current information about Adaptec products

and services. The Adaptec Interactive Fax system is available 23 hours a day,

7 days a week. The Fax system is out of service 1 hour each day. You can call

this service directly at 408-957-7150.

■For sales information, call 800-959-SCSI (7274) or 408-945-2550, Monday through

Friday, 6:00 A.M. to 5:00 P.M., Pacific Time.

■To order Adaptec software and cables, call 800-442-SCSI (7274) or 408-957-SCSI

(7274), Monday through Friday, 6:00 A.M. to 5:00 P.M., Pacific Time.

■To request additional documentation for Adaptec products, call 800-934-2766 or

510-732-3829, Monday through Friday, 6:00 A.M. to 5:00 P.M., Pacific Time.

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: iv

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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FCC Compliance Statement

This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection

against harmful interference in residential installations. This equipment generates, uses, andcan

radiate radio frequency energy, and if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications. However, there is no guarantee that

interference will not occur in a particular installation.

If this equipment does cause interference to radio or television equipment reception, whichcan be

determined by turning the equipment off and on, the user is encouraged to try to correct the inter-

ference by one or more of the following measures:

• Reorient or relocate the receiving antenna

• Move the equipment away from the receiver

• Plug the equipment into an outlet on a circuit different from that to which the receiver is

powered

• If necessary, the user should consult the dealer or an experienced radio/television technician

for additional suggestions

CAUTION: Only equipment certified to comply with Class B (computer input/output devices,

terminals, printers, etc.) should be attached to this equipment, and must have shielded interface

cables.

Finally, any changes or modifications to the equipment by the user not expressly approved by the

grantee or manufacturer could void the user’s authority to operate such equipment.

Each host adapter is equipped with an FCC compliance label that shows only the FCC identifica-

tion number. The full text of the associated label follows:

This device complies with part 15 of the FCC rules. Operation is subject to the following two con-

ditions: (1) this device may not cause harmful interference and (2) this device must accept any

interference received, including interference that may cause undesired operation.

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: v

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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▼ ▼ ▼ ▼ Contents

Getting Started 1

Board Layout AHA-2740W and 2742W 2

Board Layout AHA-2744W 3

Default Settings 4

The Onboard Floppy Controller (AHA-2742W and

AHA-2744W Only) 4

Installing the Host Adapter 5

Cabling the Host Adapter 5

Connecting Internal SCSI Devices 6

Maintaining Pin-1 Orientation 7

Connecting External SCSI Devices 7

Connecting Floppy Drives (AHA-2742W and

AHA-2744W Only) 8

Terminating the SCSI Bus 8

Configuring Host Adapter Termination 9

Setting the SCSI ID 11

Configuring the Host Adapter 12

Run the EISA Configuration Utility 12

Copy Configuration and Overlay Files 12

Select the Host Adapter 13

Configure the Host Adapter Parameters 13

Interrupt Level 13

Bus Release Time 13

Data FIFO Threshold 13

Host Adapter BIOS Base Address 13

Host Adapter SCSI ID 14

SCSI Bus Parity Check 14

SCSI Selection Timeout 14

SCSI Bus Reset at Power-on 14

SCSI Bus Termination 14

BIOS Configuration 15

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: vi

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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Support Removable Disks as Fixed Disk 15

Extended Translation for Drives > 1 GByte 15

Support for More than Two Drives 15

Support for Bootable CD-ROM 16

Support for Int 13h Extensions 16

SCSI Device Configuration 16

Enable Disconnection 16

Initiate Sync Negotiation 16

Maximum Sync Xfer Rate 16

Initiate Wide Negotiation 16

Include in BIOS Scan 17

Error if Device Not Found 17

Send Start Unit Command 17

Utilities 17

Operating System Support 17

DOS/Windows 17

Adaptec EZ-SCSI“ Software 18

Other Operating Environments 18

Troubleshooting Checklist 19

Getting Started

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: 1

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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Getting Started

This document provides the steps required for installation of the

AHA-2740W and AHA-2742W single-ended, and the AHA-2744W

differential Fast/Wide SCSI Host Adapters. The AHA-2740W and

AHA-2742W support single-ended SCSI, while the AHA-2744W

supports differential SCSI. In this document, the AHA-2740W,

AHA-2742W, and AHA-2744W are referred to jointly as the

AHA-2740W/2742W/2744W.

Procedures for all three adapters are similar. However, termination

is different for the AHA-2744W, and the AHA-2742W and

AHA-2744W have an onboard floppy controller. Installation of the

host adapter includes the following steps:

1Installing the AHA-2740W/2742W/2744W host adapter in an

EISA system.

2Installing the SCSI cable(s) and SCSI peripheral devices.

3Terminating the SCSI bus.

4Setting the SCSI ID.

5Adjusting the host adapter configuration settings if necessary.

6Loading software, if necessary.

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: 2

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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Board Layout AHA-2740W and 2742W

Figure 1 shows the location of the major components on the

AHA-2740W and AHA-2742W host adapters; Table 1 describes each

major component of the AHA-2740W and AHA-2742W.

Figure 1. Board Layout for the AHA-2740W and AHA-2742W

Table 1. AHA-2740W and AHA-2742W Components

Location Description

J1 Floppy Enable Jumper (AHA-2742W Only)

J2 External LED Connector

J3 Floppy Connector (AHA-2742W Only)

J4 68-pin Wide (16-bit) SCSI Internal Connector

J5 50-pin SCSI Internal Connector

J6 68-pin Wide SCSI External Connector

PIN 1PIN 1

J1 J3 J4 J5

Board Layout AHA-2744W

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: 3

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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Board Layout AHA-2744W

Figure 2 shows the location of the major components on the

AHA-2744W host adapter; Table 2 describes each major component

of the AHA-2744W.

Figure 2. Board Layout for the AHA-2744W

Table 2. AHA-2744W Components

Location Description

J1 Floppy Enable Jumper

J2 External LED Connector

J3 Floppy Connector

J4 68-pin Wide Differential (16-bit) SCSI Internal Connector

J5 50-pin Differential (8-bit) SCSI Internal Connector

J6 68-pin Wide SCSI External Connector

Pin 1

J2 J3 J4

Pin 1

AHA-2740W/2742W/2744W

Stock Number: 511052-00, Rev. A Page: 4

Print Spec Number: 494618-00

Current Date: 2/7/96 ECN Date: 1/30/96

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Default Settings

Your host adapter is already configured for the majority of EISA

class computers. Table 3 lists the default settings of your host

adapter. Refer to Configuring the Host Adapter for information on

changing any of these settings.

The Onboard Floppy Controller (AHA-2742W and

AHA-2744W Only)

■If your floppy diskette drives are already running under

another controller, disable the onboard floppy controller by

removing the jumper connector on jumper J1.

■To use the onboard floppy controller, leave the jumper connec-

tor installed on jumper J1 and then disable your existing

floppy controller; refer to your computer or floppy controller

user documentation.

Table 3. Host Adapter Default Settings

Description Default Setting

Interrupt Level IRQ 11

Bus Release Time 44 BCLKS

Data FIFO Threshold 100%

Host Adapter BIOS Base Address D8000h

Host Adapter SCSI ID Device ID 7

SCSI Bus Parity Check Enabled

SCSI Selection Timeout 256 milliseconds

SCSI Bus Reset at Power-on Enabled

SCSI Bus Termination (Low/High) On/On

Support Removable Disks as Fixed Disk Boot Device Only

Extended Translation for Drives > 1 GByte Enabled

Support More Than Two Drives Enabled

Bootable CD-ROM Support Enabled

Int 13h Extensions Support Enabled

Andere Handbücher für AHA-2740W

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