Quantum DLT 8000 Product Manual page 222

SCSI Commands
MODE SELECT Command (6) / (10) (15h) / (55h) (continued)
Table 5–38 Mode Parameter Block Descriptor — Field Descriptions
Field Name
Density Code
Number of Blocks
5-78
Description
This field should match the current tape medium density; it is set to 0 if
the density is unknown.
Density
Code Description
00h Use default density
19h 62500 bpi, 64 track pairs, serial cartridge tape – 10.0 GB
(DLTtape III) / 15.0 GB (DLTtape IIIXT)
1Ah 81633 bpi, 64 track pairs, serial cartridge tape – 20.0 GB
(DLTtape IV)
1Bh 85937 bpi, 52 track quads, serial cartridge tape – 35.0 GB
(DLTtape IV)
41h 98250 bpi, 52 track quads, serial cartridge tape – 40.0 GB
(DLTtape IV)
The density codes above are the preferred codes used to define density.
Additionally, the codes listed below may be used, though use of the Data
Compression Page is preferred:
7Fh No change from previous density (No Operation)
80h 62500 bpi, 64 track pairs, serial cart.tape - 10.0 GB (DLTtape
III) / 15.0 GB (DLTtape IIIXT) without compression
81h 62500 bpi, 64 track pairs, serial cart.tape - 20.0 GB (DLTtape
III) / 30.0 GB (DLTtape IIIXT ) with compression
82h 81633 bpi, 64 track pairs, serial cart.tape - 20.0 GB (DLTtape
IV) without compression
83h 81633 bpi, 64 track pairs, serial cart.tape - 40 GB (DLTtape
IV) with compression
84h 85937 bpi, 52 track quads, serial cartridge tape - 35 GB
(DLTtape IV) without compression
85h 85937 bpi, 52 track quads, serial cartridge tape - 70 GB
(DLTtape IV) with compression
88h 98250 bpi, 52 track quads, serial cartridge tape - 40 GB
(DLTtape IV) without compression
89h 98250 bpi, 52 track quads, serial cartridge tape - 80 GB
(DLTtape IV) with compression
This MODE SENSE field is sent = 0, indicating that all of the remaining
logical blocks on the tape will have the medium characteristics specified
by the block descriptor.
Quantum DLT 8000 Tape System