Adaptec 2940UW User Manual
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Adaptec 2940UW User Manual

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Summary of Contents for Adaptec 2940UW

  • Page 1 ’ EFERENCE SCSI C 2940UW P...
  • Page 2 691 South Milpitas Boulevard Milpitas, CA 95035 © 1999 Adaptec, Inc. All rights reserved. Adaptec, and the Adaptec logo are trademarks of Adaptec, Inc. which may be registered in some jurisdictions. Printed in Singapore STOCK NO.: 512218-00 Rev. A DK 1/99...
  • Page 3 SCSI Card 2940UW Pro User’s Reference...
  • Page 4 Copyright © 1999 Adaptec, Inc. All rights reserved. No part of this publication may be repro- duced, stored in a retrieval system, or transmitted in any form or by any means, elec- tronic, mechanical, photocopying, recording or otherwise, without the prior written consent of Adaptec, Inc., 691 South Milpitas Blvd., Milpitas, CA 95035.
  • Page 5 (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. Adaptec, Inc. AHA-2940UW Pro Tested To Comply With FCC Standards FOR HOME OR OFFICE USE...
  • Page 6 (30) days from the date of delivery to you. ADAPTEC DOES NOT AND CANNOT WARRANT THE PERFORMANCE OR RESULTS YOU MAY OBTAIN BY USING THE SOFTWARE OR DOCUMENTATION.
  • Page 7 Agreement, in a writing signed by an officer of Adaptec. You assume full responsibility for the use of the Software and agree to use the Software legally and responsibly. This Agreement shall be governed by California law except as to copyright matters which are covered by Federal law.
  • Page 8 Limited 5-Year Warranty Adaptec, Inc. (“Adaptec”) warrants to the purchaser of this product that it will be free from defects in material and workmanship for a period of five (5) years from the date of purchase. If the product should become defective within the warranty period, Adaptec, at its option, will repair or replace the product, or refund the purchaser ’s purchase price for the product, provided it is...

  • Page 9: Table Of Contents

    SCSI IDs 1 Terminating the SCSI Bus 3 Troubleshooting 4 Troubleshooting in Windows 95 4 Common Error Messages 7 Using the SCSI Card 2940UW Pro and SCSI Devices 9 Using SCSI Devices 9 Hard Disks 9 Scanners 10 Installing Multiple SCSI Cards 10...
  • Page 10 SCSI Card 2940UW Pro User’s Reference Obtaining SCSI Cables 21 External Cables 21 External Connector Diagrams 22 Cabling Examples 22 Examples of Cabling Wide and Narrow External SCSI Devices 24 Internal Cables 25 Internal Connector Diagrams 25 Adapters, Converters, and Terminators 26...

  • Page 11: Understanding Scsi

    SCSI bus. A SCSI bus is an electrical pathway that consists of a SCSI card (such as the SCSI Card 2940UW Pro) installed in a computer and one or more SCSI devices. SCSI cables are used to connect the devices to the SCSI card.
  • Page 12 SCSI ID 7 has the highest priority on the SCSI bus. The priority of the remaining IDs, in descending order, is 6 to 0, 15 to 8. The SCSI Card 2940UW Pro is preset to SCSI ID 7 and should not be changed. This gives it the highest priority on the SCSI bus.

  • Page 13: Terminating The Scsi Bus

    SCSI devices, termination is controlled by setting a switch on the back of the SCSI device. By default, termination on the SCSI Card 2940UW Pro itself is Automatic (the preferred method). To manually set termination on the SCSI Card 2940UW Pro, see Configuring the SCSI Card 2940UW Pro with SCSISelect on page 13.

  • Page 14: Troubleshooting

    Windows 95 to load.) If the computer boots into safe mode, the core software is functional. How can I tell if the SCSI Card 2940UW Pro software driver is loading properly? Start or restart your computer. Allow the computer to perform a normal startup.
  • Page 15 Adaptec products are available on the Adaptec Web Site at http://www.adaptec.com . An “X” inside a red circle appears with the SCSI Card 2940UW Pro software driver in Device Manager. What does this mean? The SCSI Card 2940UW Pro software driver is disabled and is not loading.
  • Page 16 Select SCSI controllers on the next screen. Select the model of your Adaptec SCSI Card. If your Adaptec SCSI Card model is not on the list, you can install the SCSI card driver from the Adaptec EZ-SCSI Setup Disk. Follow...

  • Page 17: Common Error Messages

    Send Start Unit Command to Yes for the SCSI ID of the SCSI device. (See Configuring the SCSI Card 2940UW Pro with SCSISelect on page 13.) Make sure the SCSI device is set to spin up when the power is switched on.
  • Page 18 SCSI Card 2940UW Pro User’s Reference “Attention! Too many devices are terminated on a 68-pin (wide) connector of your AHA-2940UW Pro. Consult documentation. Press any key to continue.” The SCSI Card BIOS has detected that more than two devices have been terminated on the wide SCSI segment.

  • Page 19: Using The Scsi Card 2940Uw Pro And Scsi Devices

    Using the SCSI Card 2940UW Pro and SCSI Devices This section provides useful information on using the SCSI Card 2940UW Pro and your SCSI devices. For specific information, refer to the documentation that came with your SCSI device. Using SCSI Devices Hard Disks...

  • Page 20: Scanners

    If you have two or more SCSI cards, enable the BIOS on the boot SCSI card only; disable the BIOS on the remaining SCSI cards. The SCSI Card 2940UW Pro is shipped with the BIOS enabled. You can disable the BIOS on any Adaptec SCSI card by changing...

  • Page 21: Connecting The Led Connector

    Using the SCSI Card 2940UW Pro and SCSI Devices Connecting the LED Connector (Optional feature) Most computers have an LED disk activity light on the front panel. You may choose to disconnect the cable from the LED connector on the motherboard and connect it to the LED connector on the SCSI card.

  • Page 22: Using Scsi And Ide (Or Eide) Devices

    To use a hard disk previously connected to a non-Adaptec SCSI card, low-level format the hard disk after connecting to the Adaptec SCSI card. (See Using SCSI Disk Utilities on page 20.)

  • Page 23: Configuring The Scsi Card 2940Uw Pro With Scsiselect

    Configuring the SCSI Card 2940UW Pro with SCSISelect SCSISelect, included with the SCSI Card 2940UW Pro, enables you to change SCSI settings without opening the computer or handling the card. SCSISelect also enables you to low-level format or verify the disk media of your SCSI hard disks.
  • Page 24 SCSI Card 2940UW Pro User’s Reference Table 1. SCSI Select Settings (Continued) Default SCSI Select Options Available Settings Setting Include in BIOS Scan Yes, No Yes (Enabled) Advanced Configuration Options: Reset SCSI Bus at IC Initialization Enabled, Disabled Enabled Display <Ctrl> <A> Messages during BIOS...

  • Page 25: Starting Scsiselect

    Configuring the SCSI Card 2940UW Pro with SCSISelect Starting SCSI Select Follow these steps to start SCSISelect: Turn on or restart your system. During the startup process, read all messages that appear on your screen. When the following message appears on your screen, press the...

  • Page 26: Using Scsiselect Settings

    Basic Host Adapter Options Host Adapter SCSI ID—Sets the SCSI ID for the SCSI card. The SCSI Card 2940UW Pro is set at 7, which gives it the highest priority on the SCSI bus. We recommend you do not change this setting.

  • Page 27: Scsi Device Configuration Options

    Configuring the SCSI Card 2940UW Pro with SCSISelect SCSI Device Configuration Options Note: To configure settings for a SCSI device, you must know its SCSI ID (see Using SCSI Disk Utilities on page 20). Sync Transfer Rate (MBytes/sec)—Determines the maximum synchronous data transfer rate the SCSI card supports.

  • Page 28: Advanced Configuration Options

    SCSI Card 2940UW Pro User’s Reference Advanced Configuration Options Note: Do not change the Advanced Host Adapter Settings unless absolutely necessary. Reset SCSI Bus at IC Initialization—When set to Enabled, the SCSI card generates a SCSI bus reset during its power-on initialization and after a hard reset.
  • Page 29 Configuring the SCSI Card 2940UW Pro with SCSISelect Set to Disabled if the SCSI devices on the SCSI bus (for example, CD-ROM drives) are controlled by software drivers and do not need the BIOS. Support Removable Disks Under BIOS as Fixed Disks—...

  • Page 30: Using Scsi Disk Utilities

    SCSI Card 2940UW Pro User’s Reference Using SCSI Disk Utilities To access the SCSI disk utilities, follow these steps: Select the SCSI Disk Utilities option from the menu that appears after starting SCSISelect. SCSISelect scans the SCSI bus (to determine the devices installed) and displays a list of all SCSI IDs and the devices assigned to each ID.

  • Page 31: Obtaining Scsi Cables

    Adaptec at 1-800-442-7274, Monday to Friday, from 6 a.m. to 5 p.m. (Pacific Time). When ordering cables, note the SCSI Card 2940UW Pro connector and the connector for your SCSI device, and select a cable that best meets your needs.

  • Page 32: External Connector Diagrams

    SCSI Card 2940UW Pro User’s Reference External Connector Diagrams Figure 3. High-density 68-pin Figure 4. High-density 50-pin Figure 5. Low-density 50-pin Figure 6. DB25-pin Cabling Examples High-density 68-pin Internal Ultra SCSI Cable Fast/Wide Fast/Wide Fast/Wide Ultra Ultra Ultra SCSI Card 2940UW Pro...
  • Page 33 Fast/Wide Fast/Wide Fast/Wide Ultra SCSI Cable Ultra Ultra Ultra SCSI Card Peripheral Peripheral Peripheral 2940UW Pro (Terminated) Fast/Ultra Fast/Ultra Narrow Narrow Peripheral Peripheral (Terminated) Figure 8. Connecting Fast/Wide Ultra and Fast/Narrow Ultra Internal SCSI Device High-density 68-pin Internal Ultra SCSI Cable...

  • Page 34: Examples Of Cabling Wide And Narrow External Scsi Devices

    SCSI Card 2940UW Pro User’s Reference Examples of Cabling Wide and Narrow External SCSI Devices All host adapter SCSI termination is set to Automatic in SCSISelect. 68-pin to 50-pin Adapter (ACK-68P-50P-E) 50-pin 50-pin 68-pin Cable Cable Cable Narrow Narrow Wide Device...

  • Page 35: Internal Cables

    Obtaining SCSI Cables Internal Cables Table 3. Internal Cables Cable Model Description Number Ordering Name 50-pin with connector for 4 SCSI devices 1100 ACK-INT5 + SCSI card (1.5 m) 68-pin with connectors for 4 SCSI 1200 ACK-W2W-E devices + SCSI card (1.1 m) Internal Connector Diagrams Figure 14.

  • Page 36: Adapters, Converters, And Terminators

    SCSI Card 2940UW Pro User’s Reference Adapters, Converters, and Terminators Table 4. Adapters, Converters, and Terminators Cable Model Description Number Ordering Name External High-density 68-pin to ACK-68P-50P-E External High-density 50-pin Adapter Internal High-density 68-pin to ACK-68P-50P-IU Internal Standard 50-pin Adapter...

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