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SCSI Features
Implementation characteristics of the Small Computer System
Interface (SCSI) controller include the following:
Support for single-ended or differential SCSI configurations.
SCSI bus parity checking configurable through the MODE
SELECT command.
Support for multiple initiator configurations.
Support of the disconnect, reconnect, and arbitration feature,
which releases the tape drive from the bus so that it can operate
under its own internal intelligence system, enabling the SCSI bus
to perform other I/O requests.
The SCSI implemented for the tape drive conforms to the following
standard for a sequential access device: ANSI Small Computer System
Interface-2 (SCSI-2), X3.131-1994.
Data Transfer Rate
The maximum obtainable data transfer rates for the tape drive
depend on what mode it is operating in. For information on data
transfer rates, see Chapter 6.
Physical Path
The physical path implemented by the tape drive includes an
eight-port, daisy-chained bus with the following features:
Single-host or multiple-host computer system capability
Bus contention handled by distributed arbitration on a prioritized
basis
Accommodation of multiple peripheral device types
Multiple overlap of peripheral device operations
Orientation toward intelligent peripheral devices
Enhanced operation with buffered devices
5-2 EXB-8205 and EXB-8505 510504
(Standard and XL)
5 Interface Specifications