One of the common symptoms of this problem is the error message “Mirror copies of FAT do not match” or “Mirror copies of Volume Directory do not match”, occurring while volumes are mounting. The Cache Memory Allocator CFG file is provided to help the installer eliminate resource conflicts. Some manufacturers house drives in a box with a separate power supply. These boxes are referred to as external subsystems, each having two external SCSI ports. If all of the above fail to resolve the problem with deactivation, then replace the hard drive or host adapter.
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Adaptec – Technical Support
If disconnection is enabled on the tape drive, a tape command will be issued and the device will be disconnected, so that the SCSI bus is free. The HBA was re-designed and improved. Some drive manufacturers have firmware upgrades for their drives which will resolve problems with drive deactivation. Any trademarks referenced in this document are the property of their respective owners.
Views Read Edit View history. Archived from the original on July 17, In October of some newly shipped As and As exhibited these same symptoms while mounting volumes.
The asynchronous adapted will be slower, however, if it works, where synchronous did not, one would suspect a compatibility problem between the drive and host adapter. Adaptec and NetWare v3.
In other projects Wikimedia Commons. The will be compatible only with devices having differential driver interfaces. If long cables are used to connect HBAs to subsystems or long cables are used to daisy-chain subsystem boxes, be sure that the chassis are well grounded.
Possible Causes and Adptec Device xx deactivated due to drive failure. Archived from the original on July 12, Otherwise it must be explicitly loaded.
A marginal or bad power supply will cause erratic behavior. Adaptec is one of several companies selling kits for converting analog tapes to digital video at affordable prices. NCF on the C: Archived from the original on March 11, adqptec Check with the manufacturer to see if a firmware upgrade is applicable to your situation.
Adaptec Adaptec AHA-154X/AHA-164X/AHA-1535 SCSI Host Adapter
In the case where disabling disconnection applies, one should remember that it will adversely impact adpatec if multiple targets devices are attached to the SCSI bus. The company was an independent firm from toat which point it was acquired by PMC-Sierrawhich itself was later acquired by Microsemiwhich itself was later acquired by Microchip Technology. Retrieved March 11, Retrieved Dec 30, Retrieved — via Google Books.
If all of the above fail to resolve the problem with deactivation, then replace the hard drive or host adapter. However, the information provided in this document is for your information only. This will ensure that the driver and aspitran load below the 16 MB mark. The SCSI ports allow daisy chaining of multiple boxes. CFG file is provided to help the installer eliminate resource conflicts.