Quantum DLT 8000 Product Manual page 119

Quantum dlt 8000: user guide
Hide thumbs Also See for DLT 8000:
Table of Contents

Advertisement

5. Waits at least two deskew delays.
6. Releases the BSY signal.
7. Waits at least one bus settle delay before looking for a response from the
initiator.
The initiator:
8. Determines that it is selected when the following occur for at least one bus
settle delay: SEL, I/O, and the initiator's SCSI ID bit are true and BSY is
false.
9. Examines the DATA BUS to determine the SCSI ID of the reselecting drive.
10. Asserts the BSY signal within a selection abort time of its most recent
detection of being reselected.
The initiator does not respond to a RESELECTION phase if bad parity is
detected or if more than two SCSI ID bits are on the DATA BUS.
The drive:
11. Detects the BSY signal is true.
12. Asserts the BSY signal.
13. Waits at least two deskew delays.
14. Releases the SEL signal.
The drive can then change the I/O signal and the DATA BUS.
The initiator:
15. Detects the SEL signal is false.
16. Releases the BSY signal.
The drive:
17. Continues asserting the BSY signal until it relinquishes the SCSI bus.
Quantum DLT 8000 Tape System
SCSI Description
3-17

Advertisement

Table of Contents
loading

Table of Contents