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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.)

Step 2: 

Locate an unused 16-bit ISA expansion slot 

(this slot is typically black); unscrew and remove 
the expansion slot bracket that covers the card-slot 
opening.

Step 3: 

Insert the host adapter in the slot; press 

down firmly so that the bus contacts are securely 
seated in the slot. Secure the host adapter bracket 
with the screw you removed in Step 2.

Back of
Your Computer

Expansion Slot
Bracket Screw

Expansion Slot Bracket

16-Bit ISA Expansion Slots
(typically black)

Expansion Slot
Bracket Screw

Host Adapter Bracket

16-bit ISA Expansion Slots
(typically black)

Bus Contacts

Summary of Contents for 1520B - AHA Storage Controller Fast SCSI 10 MBps

Page 1: ...ing your initial installation when the time comes to add another peripheral this installation guide will help with that installation Also this installation guide includes information on the Adaptec SCSISelect configuration utility After installation you can use this utility to reconfigure your host adapter without having to reopen the computer or handle the card Host Adapter BIOS PROM Provides boo...

Page 2: ... AAA 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 Step 2 Locate an unused 16 bit ISA expansion slot this slot is typically black unscrew and remove the expansion slot bracket that covers the card slot opening Step 3 Insert the host adap...

Page 3: ...l devices to the end of the cable Right now install or enable terminators on that device Also remove or disable terminators on all devices that you plan to install in the middle of the cable On most internal SCSI devices the termination setting is controlled by setting a jumper or a switch or by physically removing or installing a resistor module s Refer to the device s documentation to determine ...

Page 4: ... 0 to 6 Refer to the device s documentation for instructions on setting the SCSI ID If you plan to boot your computer from a SCSI hard disk drive assign SCSI ID 0 to this drive If you have a second hard disk drive assign SCSI ID 1 to the drive In Steps 11 and 12 you will be attaching one of your external devices to the end of the daisy chain Right now install or enable terminators on that device A...

Page 5: ... EZ SCSI soft ware see the EZ SCSI software documentation for installation instructions If you wish to purchase EZ SCSI you can call Adaptec to order directly If you purchased your host adapter as part of a bun dle created by a third party you can use the drivers they provide Please refer to the documentation pro vided by the third party or contact them directly for installation instructions Windo...

Page 6: ...ettings on page 10 If your system includes SCSI disk drives or other devices that support SCAM when SCAM is enabled you do not need to manually assign SCSI IDs to these devices Most SCSI devices currently in use however do not support SCAM and must have their SCSI IDs set manually Hard Disk Drives Every hard disk must be physically low level format ted partitioned and logically formatted before it...

Page 7: ...lect utility at system bootup and you cannot boot from a SCSI disk drive 1 Do not use this setting in Legacy Non Plug and Play systems 2 If you disable the BIOS PROM you must run SCSISelect to synchronize the host adapter s resource table with your new selection Synchroniza tion is automatically performed just by entering SCSISelect If you wish to disable BIOS functionality and still have access t...

Page 8: ...re View Host Adapter Settings and SCSI Disk Utilities Note SCSISelect is also provided on a bootable diskette If your system does not allow you to access SCSISelect by pressing Ctrl A at boot time you can run SCSISelect from this diskette To run simply insert the diskette in a bootable floppy drive and boot your system Save this diskette You may need it later if you ever lose access to the BIOS PR...

Page 9: ...tion A low level format destroys all data on the drive Be sure to back up your data before performing this operation You cannot abort a low level format once it is started Verify Disk Media This utility allows you to scan the media of a hard disk drive for defects If the util ity finds bad blocks on the media it prompts you to reassign them if you select yes those blocks are no longer used You can...

Page 10: ...s The advanced host adapter settings should not be changed unless absolutely necessary ISA Plug and Play Support This option determines whether the host adapter supports Plug and Play functionality When Plug and Play Support is enabled the host adapter will work fine in both Plug and Play and Legacy non Plug and Play systems The only time you should disable Plug and Play Sup port is when you have ...

Page 11: ... DOS fdisk utility as you normally would Because the cylinder size increases to 8 MBytes under extended translation the partition size you choose must be a multiple of 8 MBytes If you request a size that is not a multiple of 8 MBytes fdisk rounds up to the nearest whole multiple of 8 MBytes Need Assistance Troubleshooting Checklist Most problems that occur with your host adapter result from errors...

Page 12: ...SI controller embedded on it and an AHA 1520B installed in the same computer Am I going to experience any resource conflicts The AHA 1520B and the SCSI controller on the Sound blaster card are typically both set by default to use I O port address 340 and IRQ 11 In addition the Sound blaster card may also use I O port address 330 for its Midi port To avoid resource conflicts make sure to change the...

Page 13: ...es and SCSISelect Common Error Messages Can not locate any host adapter at either 340h or 140h IO Port address Possible IO Port address conflict This message occurs when the BIOS fails to locate a valid host adapter in the system Check for an I O port address con flict between the host adapter and other cards installed in your computer Target connected but not ready This message occurs when the ho...

Page 14: ...g 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 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 techni...

Page 15: ...g frm ECN Date 6 11 95 AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAA AAA A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAA AAA ...

Page 16: ...lectronic mechanical photocopying recording or otherwise without the prior written consent of Adaptec Inc 691 South Milpitas Blvd Milpitas CA 95035 Adaptec the Adaptec logo AHA EZ SCSI and SCSISelect are trademarks of Adaptec Inc which may be registered in some jurisdictions Windows and Windows 95 are registered trade marks of Microsoft Corporation used under license All other trademarks used are ...

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