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Adaptec AHA-2840A Installation Manual Download Page 14

AHA-2840A/2842A Installation Guide
Part Number: 510590-00, Rev B
Print Spec Number: 492663-00
Current Date: 5/9/96

ECN Date: 6/3/96

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Adaptec, Inc.
691 South Milpitas Blvd.
Milpitas, CA 95035

Copyright © 1993, 1994, 1996, Adaptec, Inc. All rights reserved. 
Adaptec, the Adaptec logo, AHA, and SCSISelect are trademarks 
of Adaptec, Inc. which may be registered in some jurisdictions. 
All other trademarks are owned by their respective owners.

Printed in Singapore
Stock No.: 510590-00, Rev B MR 5/96
Information subject to change without notice.

Summary of Contents for AHA-2840A

Page 1: ...AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AHA 2840A 2842A Installation Guide Part Number 510590 00 Rev B Print Spec Number 492663 00 Current Date 5 9 96 ECN Date 6 3 96 AAAA AAAA AAAA AAAA AAAA AAAA AAAA...

Page 2: ...rives on page 3 Here is an overview of host adapter installation 1 Insert the host adapter in a VL Bus slot in your computer 2 Connect SCSI cables and SCSI peripherals 3 Terminate the SCSI bus 4 Adjust host adapter configuration if necessary by setting switches and running the SCSISelect utility 5 Load software if necessary The following sections explain each installation step Board Layout This fi...

Page 3: ...st Adapter Inserting the Board WARNING Turn OFF and disconnect the power to your computer and attached devices before you remove the chassis cover See your computer s documentation for instructions on how to do this 1 Remove the chassis cover to expose the expansion slots and external access covers 2 Locate an unused VESA local bus VL Bus expansion slot as shown in the diagram below Parameter Defa...

Page 4: ...k Settings In most cases you will never have to change the default switch settings The following are some situations in which you should change the settings Controlling Floppy Drives If your floppy drives are connected to another floppy controller e g the one on the motherboard set sw5 to On to disable the AHA 2842A floppy controller If you want to use the floppy controller on the AHA 2842A you mu...

Page 5: ... if it is in slot 3 change the address to 3C00h etc Jumper Block Leave the jumper on jumper block J5 installed unless you are experiencing problems with write back sig nals See Section 8 Troubleshooting Checklist Connecting Peripherals Setting SCSI IDs You must assign a different SCSI ID to each device on the AHA 2840A 2842A SCSI bus See your SCSI peripheral documentation for directions on how to ...

Page 6: ...le connectors can only be plugged in one way so pin 1 orientation is automatic 2 Attach the SCSI cable s to the host adapter and the peripheral s using the internal and or exter nal connector s 3 Be sure to maintain correct pin 1 orientation throughout the bus The AHA 2840A 2842A uses a 50 pin high density external connector and a 50 pin flat ribbon type internal connector 4 If you are installing ...

Page 7: ...CSI Peripherals 1 Check the manufacturer s documentation to determine how to enable or disable SCSI bus ter mination on your SCSI peripheral device s 2 Install enable terminators on SCSI devices at the ends of the SCSI bus cable 3 Remove disable terminators on all other devices on the SCSI bus 4 Be sure the SCSI cables are connected securely They may have been loosened if you changed jumpers or sw...

Page 8: ...he DOS prompt type debug and press Enter Then at the Debug prompt a hyphen type g xxxx 6 where xxxx first 4 digits of host adapter BIOS address in hex D8000h is the default address Use the arrow and Enter keys to make selec tions in SCSISelect Press Esc at any time to return to the previous menu You can press F6 to restore the original default settings To abandon changes you made in the Configure ...

Page 9: ...appears Format Disk accesses the Adaptec SCSI low level format utility Most SCSI devices are preformatted and do not need to be formatted again Verify Disk Media scans the selected device s media for defects If bad blocks are encountered a prompt will ask if you want the blocks reassigned if you select Yes those blocks will no longer be used View Configuration Tips This option gives you access to ...

Page 10: ... systems Contact Adaptec or your operating system vendor for information on the current schedule for I O operating environment software support Troubleshooting Checklist If you have a problem during installation check the following items first Are all SCSI peripheral devices powered Are all SCSI bus cables and power cables properly connected Do the host adapter and all devices on the SCSI bus have...

Page 11: ...after formatting Conflicts With Other Option Cards or Devices Your host adapter and other devices may not share system resources such as IRQ channels port addresses and BIOS addresses If you experience conflicts change IRQ channels with the SCSISelect utility or set the host adapter switches to a different port address and or BIOS address Switch Block Settings The AHA 2840A 2842A switch block is l...

Page 12: ... at 408 945 7727 supports up to 28 800 bps bits per second 8 data bits 1 stop bit no parity No product literature is available on the Adaptec BBS Interactive Fax System at 408 957 7150 available 23 hours a day 7 days a week The fax system is out of service 1 hour each day Technical and Product Support For technical support and information about many of Adaptec s electronic support services call 80...

Page 13: ...owever there is no guarantee that interference will not occur in a particular installation However if this equipment does cause interference to radio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the s...

Page 14: ...AA AA AA AA AA AA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A Adaptec Inc 691 South Milpitas Blvd Milpitas CA 95035 Copyright 1993 1994 1996 Adaptec Inc All rights reserved Adaptec the Adaptec logo AHA and SCSISelect are trademarks of Adaptec Inc which may be registered in some jurisdictions All other trademarks are owned by their respective owners Printed in...

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