User's Guide

Commands: Mode Sense (1Ah) Page 101
Byte
Bits
7 6 5 4 3 2 1 0
10 0 0 0 0 0 0 0 0
11 0 0 0 0 0 0 0 0
12 0 0 0 0 0 0 0 0
13 0 0 0 0 1 0 0 0
14 0 0 0 0 0 0 0 0
15 0 0 0 0 0 0 0 0
16 0 0 0 0 0 0 0 0
17 0 0 0 0 0 0 0 0
18 0 0 0 0 0 0 0 0
19 0 0 0 0 0 0 0 0
The data in the Device Capabilities Page informs the initiator of the following:
A cartridge can be stored in the data transfer and storage elements.
A MOVE operates from storage to data transfer elements as well as from data
transfer to storage elements.
An EXCHANGE only operates such that the source and second destination
addresses must be storage elements but the first destination address must be
the data transfer element.
Completion Status
The Completion Status for the MODE SENSE command is shown in the following
table.
Code Message Description
00h Good Status
The drive is ready to perform any appropriate command.
The drive remains in any previously set mode. MODE SENSE does
not set or change any modes.
The tape position is not changed. It remains at the previous position.
02h Check Condition Extended Sense Byte 02h:
Code Message Description
02h Not Ready No cartridge is inserted in the drive.
04h Hardware Error Drive hardware failure detected.
05h Illegal Request The CDB contains an invalid bit.
06h Unit Cartridge was changed prior to accepting
Attention this command
The drive was reset prior to this command.