Related Manuals for Adaptec AHA-2920
Summary of Contents for Adaptec AHA-2920
- Page 1 AHA-2920 PCI-to-Fast SCSI Host Adapter Fast SCSI Connection for High-Performance SCSI Peripherals for Pentium PCs...
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Page 2: Installation And Setup
SCSI hard disk drives (under DOS 5.0 and above). External SCSI-2 Connector Uses 50-pin high-density external SCSI cables to daisy-chain up to seven external devices. AHA-2920 Host Adapter LED Connector Connects to the computer's LED cable to display activity on the SCSI bus. - Page 3 Installation and Setup WARNING: Turn OFF power to the computer and disconnect the power cord. Step 1: Remove the cover from the computer case. (If necessary, refer to the instructions in your computer documentation.) Back of Your Computer Step 2: Locate an unused PCI bus expansion slot (this slot is typically white or ivory);...
- Page 4 Step 3: Insert the host adapter in the slot; press down firmly so that the bus contacts are securely seated in the slot. Secure it with the screw you removed in Step 2. Expansion Slot Cover Screw Host Adapter Bracket Step 4: installation.
- Page 5 Plug one end of the internal SCSI cable into the host adapter’s internal SCSI connector. If you purchased your host adapter in an Adaptec kit, an internal SCSI cable that allows you to connect up to two internal SCSI devices is included. If you are...
- Page 6 Step 10: Prepare each external SCSI device for installation. If you are not installing external SCSI devices, skip to Step 13. Make sure all SCSI devices (external and internal) are assigned a unique SCSI ID from 0 to 6. Refer to the device’s documentation for instructions on setting the SCSI ID.
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Page 7: Hard Disk Drives
3.x must be loaded from the Adaptec EZ-SCSI software (use EZ-SCSI 4.x and above only). If you pur- chased your host adapter in an Adaptec kit, EZ-SCSI is included in the kit. Run EZ-SCSI to install the drivers automatically (see the EZ-SCSI User’s Guide). If you need to purchase EZ-SCSI, contact Adaptec. - Page 8 Multiple Host Adapters Multiple SCSI host adapters can be installed in your computer; you are limited only by available system resources (e.g., I/O port and BIOS addresses). Each host adapter you install forms a separate SCSI bus with a different set of SCSI devices. SCSI IDs can be reused as long as the ID is assigned to a device on a different host adapter (e.g., each host adapter can have a device with SCSI ID 0).
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Page 9: Troubleshooting Checklist
SCSI cable, terminator, or hard drive may be defective. When the Adaptec BIOS header message appears, it hangs my system. Make sure the SCSI hard drives are properly terminated. One of the SCSI devices on my computer does not allow me to disable termination. - Page 10 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 interfer- ence in residential installations.
- Page 11 Adaptec, Inc. 691 South Milpitas Blvd. Milpitas, CA 95035 Copyright © 1995, 1996, Adaptec, Inc. All rights reserved. No part of this publication may 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.,...
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