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Table of Contents
Troubleshooting
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Summary of Contents for Adaptec 2940U2W
- Page 1 ’ EFERENCE S S C C S S I I C C 2 2 9 9 4 4 0 0 U U 2 2 W W A A R R D D...
- Page 2 © 1997 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.: 511795-00, Rev. A RQ 12/97...
- Page 3 SCSI Card 2940U2W User’s Reference...
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Page 5: Table Of Contents
SCSI Peripheral Display at Bootup 12 Installing Multiple SCSI Cards 12 Connecting the LED Connector 13 Using SCSI and IDE (or EIDE) Peripherals 14 Replacing a Non-Adaptec SCSI Card with an Adaptec SCSI Card 14 Configuring the SCSI Card 2940U2W with SCSI Select 15... - Page 6 SCSI Card 2940U2W User’s Reference SCSI Device Configuration 19 Advanced Configuration Options 20 Using SCSI Disk Utilities 22 Obtaining SCSI Cables and Adapters 23 External Cables 23 External Connector Diagrams 23 Internal Cables 24 Internal Connector Diagrams 24 Cabling Examples 25...
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Page 7: Understanding Scsi
SCSI bus. A SCSI bus is an electrical pathway that consists of a SCSI adapter card (such as the SCSI Card 2940U2W) installed in a computer and one or more SCSI peripherals. SCSI cables are used to connect the peripherals to the SCSI adapter card. -
Page 8: Scam Protocol
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 2940U2W is preset to SCSI ID 7 and should not be changed. This gives it the highest priority on the SCSI bus. -
Page 9: Terminating The Scsi Bus
By default, termination on the SCSI Card 2940U2W itself is automatic (the preferred method). To manually set termination on the SCSI Card 2940U2W, see Configuring the SCSI Card 2940U2W with SCSISelect on page 15. -
Page 10: Troubleshooting
Are all SCSI peripherals turned on? Are all SCSI cables and power cables properly connected? Is the SCSI Card 2940U2W firmly seated and secured in the PCI expansion slot? Is the PCI expansion slot PCI Rev. 2.1 or higher compliant and... -
Page 11: Troubleshooting In Windows 95
If the system still fails to boot, and the boot drive is on an exist- ing IDE or SCSI controller, shut down the system, remove the SCSI Card 2940U2W, and restart the computer. - Page 12 Verify the Operating System is set to Optimal Performance by checking the Performance tab under System Properties. How can I tell if the SCSI Card 2940U2W software driver is loading properly? Click the Start button, point to Settings, then click Control Panel.
- Page 13 Wizard to have Windows search for the SCSI Card 2940U2W. Follow the onscreen instructions. If Windows 95 does not detect the SCSI Card 2940U2W, run the Add New Hardware Wizard again: Double-click the Add New Hardware icon in Control Panel.
- Page 14 SCSI Card 2940U2W User’s Reference Look in the \drivers\storage directory of the Windows 95 CD-ROM (or the root directory of the EZ-SCSI Setup Diskette) and select the model of your SCSI card. How can I check the status of a resource (for example, IRQ,...
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Page 15: Common Error Messages
Troubleshooting Common Error Messages The following messages may appear at bootup: “Device connected, but not ready” The host received no answer when it requested data from an installed SCSI peripheral. ® Run SCSISelect and set the Send Start Unit Command to Yes for the particular SCSI peripheral. -
Page 16: Using The Scsi Card 2940U2W And Scsi Peripherals
Using the SCSI Card 2940U2W and SCSI Peripherals This section provides useful information on using the SCSI Card 2940U2W and your SCSI peripherals. For specific information, refer to the documentation that came with your SCSI peripheral. Using SCSI Peripherals Hard Disk Drives... -
Page 17: Scanners
Ultra2 peripherals. Connecting a non Ultra2 hard disk drive to the Ultra2 connector on the SCSI Card 2940U2W causes the Ultra2 SCSI segment of the SCSI bus to drop down to Ultra SCSI performance levels (40 MBytes/sec). -
Page 18: Scsi Peripheral Display At Bootup
SCSI Card 2940U2W User’s Reference SCSI Peripheral Display at Bootup At bootup, each peripheral attached to the SCSI Card 2940U2W is identified by SCSI ID, name, the SCSI segment to which it is attached (Ultra2 or Fast/Ultra), and the mode (LVD-Ultra2 or SE- Ultra) in which it is running. -
Page 19: Connecting The Led Connector
Using the SCSI Card 2940U2W and SCSI Peripherals 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. Connecting the LED Connector (Optional feature) Most computers have an LED disk activity light on the front panel. -
Page 20: Using Scsi And Ide (Or Eide) Peripherals
To use a hard disk drive previously connected to a non-Adaptec SCSI card, low- level format the drive after connecting to the Adaptec SCSI card. (See Using SCSI Disk Utilities on page 22.) Caution: A low-level format destroys all data on the drive. -
Page 21: Configuring The Scsi Card 2940U2W With Scsiselect
Configuring the SCSI Card 2940U2W with SCSISelect Configuring the SCSI Card 2940U2W with SCSISelect SCSISelect, included with the SCSI Card 2940U2W, 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 disk drives. -
Page 22: Starting Scsiselect
SCSI Card 2940U2W User’s Reference Table 1. SCSI Select Settings (Continued) SCSI Select Option Available Settings Default Setting Send Start Unit Command Yes, No Yes (Enabled) BIOS Multiple LUN Support Yes, No No (Disabled) Include in BIOS Scan Yes, No... -
Page 23: Exiting Scsiselect
Basic Host Adapter Settings Host Adapter SCSI ID—Sets the SCSI ID for the SCSI card. The SCSI Card 2940U2W is set at 7, which gives it the highest priority on the SCSI bus. We recommend you do not change this setting. -
Page 24: Boot Device Options
Fast/Ultra-SE connector, Table 2 lists the recommended configurations. Table 2. Host Adapter SCSI Termination Configuration If SCSI Peripherals are Connected to These Fast/Ultra-SE Connectors on the SCSI Card 2940U2W… …Use this Setting 68-pin internal connector only Low ON/High ON 50-pin internal connector only... -
Page 25: Scsi Device Configuration
Configuring the SCSI Card 2940U2W with SCSISelect SCSI Device Configuration Note: To configure settings for a SCSI peripheral, you must know its SCSI ID (see Using SCSI Disk Utilities on page 22). Initiate Sync Negotiation—When set to Yes, initiates synchro- nous data transfer negotiation (Sync Negotiation) between the peripheral and SCSI card. -
Page 26: Advanced Configuration Options
SCSI Card 2940U2W User’s Reference Advanced Configuration Options Note: Do not change the Advanced Host Adapter Settings unless absolutely necessary. Plug-and-Play SCAM Support—When set to Enable, the SCSI card automatically assigns SCSI IDs to SCSI peripherals that support the SCAM protocol (see SCSI IDs on page 1). The default is Disable, but you can set it to Enable even if you have a non-SCAM peripheral. - Page 27 Configuring the SCSI Card 2940U2W with SCSISelect Boot Only—Only the removable-media drive designated as the boot device is treated as a hard disk drive. All Disks—All removable-media drives supported by the BIOS are treated as hard disk drives. Disabled— No removable-media drives are treated as hard disk drives.
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Page 28: Using Scsi Disk Utilities
SCSI Card 2940U2W 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 29: Obtaining Scsi Cables And Adapters
Obtaining SCSI Cables and Adapters High-quality cables are required in high-performance SCSI systems to ensure data integrity. Adaptec provides the highest quality SCSI cables and adapters designed specifically for use with Adaptec SCSI cards. For purchasing information, contact Adaptec at 1-800-442-SCSI (7274), Monday to Friday, from 6 a.m. to 5 p.m. -
Page 30: Internal Cables
SCSI Card 2940U2W User’s Reference Figure 5. Ultra2 and High-Density 68-pin Internal Cables Table 4. Internal Cables Description Part Number 3 position (2 peripherals + adapter card), standard ACK-INT3-PNP 50-pin Internal Ultra SCSI (1 m) 5 position (4 peripherals + adapter card), standard ACK-INT5-PNP 50-pin Internal Ultra SCSI (1.5 m) -
Page 31: Cabling Examples
High-density 68-pin Internal Ultra2 SCSI Cable Built-in Ultra2 Ultra2 Ultra2 Ultra2 Terminator Peripheral Peripheral Peripheral Peripheral SCSI Card 2940U2W Figure 8. Connecting Ultra2 Internal Peripherals High-density 68-pin Internal High-density 68-pin Internal Ultra2 SCSI Cable Ultra SCSI Cable Built-in Ultra2 Ultra2 Ultra2 Ultra2 Fast/Wide... - Page 32 SCSI Card 2940U2W User’s Reference Fast/Ultra Narrow Peripheral (Terminated) High-density 68-pin Internal Ultra2 SCSI Cable Standard 50-pin Internal-to- High-density 50-pin External Built-in Ultra2 Ultra2 Ultra2 Ultra2 Ultra SCSI Cable Terminator Peripheral Peripheral Peripheral Peripheral SCSI Card 2940U2W Fast/Ultra Fast/Ultra Narrow...
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Page 33: Maximum Cable Lengths
Obtaining SCSI Cables and Adapters Maximum Cable Lengths The total length of cabling (internal and external) on the SCSI bus may not exceed the maximum lengths listed in Table 5. Table 5. Maximum Cable Lengths Maximum Maximum Peripherals Cable Length Data Transfer Rate Supported 12 m (29.4 ft) - Page 35 Copyright © 1997 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 36 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. Adaptec, Inc. AHA-2940U2W Tested To Comply...
- Page 37 (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 38 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 39 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 deliv-...