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Quantum Instruments DLT 7000 User Manual

Page 217

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SCSI Commands

Quantum DLT 7000 Tape System

5-113

MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)

Table 5–54 Disconnect / Reconnect Page - Field Descriptions

Field Name

Description

PS

Parameters Savable. When 0, the supported parameters cannot be saved
(savable pages are not supported). When set to 1, it indicates that the
page can be saved in nonvolatile memory by the drive.

Additional Page Length

This field indicates the number of bytes in the page. Note that this value
does not include bytes 0 and 1. The length is returned on MODE SENSE
and must subsequently be set to the same value when performing
MODE SELECT.

Buffer Full Ratio

Not supported.

Buffer Empty Ratio

Not supported.

Bus Inactivity Limit

Not supported.

Disconnect Time Limit

Not supported.

Connect Time Limit

Not supported.

Maximum Burst Size

The value in this field specifies the maximum amount of data to be
transferred without disconnecting. A value of 0 sets no limit. This value
is given in 512 byte increments. For example, a value of 8 indicates 4K
bytes. Values that are not multiples of 8 are rounded up to the nearest
multiple of 8.

DTDC

Data Transfer Disconnect Control. The value in this field specifies the
restriction when a disconnect is permitted.