Seagate MEDALIST 1080SL Product Manual page 93

Medalist 1080sl SCSI Product Manual, August 1995
Bytes
7
12–13 (default) Data bytes per physical sector (0200
changeable
14–15 (default)
changeable
16–17 (default)
changeable
18–19 (default)
changeable
20 SSEC HSEC RMB SURF
default 1
changeable 0
21–23 (default)
changeable
The tracks per zone field indicates the number of tracks the
Bytes 2–3
drive allocates to each defect-management zone. Spare
sectors or tracks are placed at the end of each defect-
management zone. If each zone is treated as containing one
track, the valid value for tracks per zone is 1. If each zone is
treated as containing one cylinder, the valid value is equal
to the number of read/write heads.
Bytes 4–5 The alternate sectors per zone field indicates the number
of spare sectors to be reserved at the end of each defect-
management zone. The drive defaults to one spare sector
per zone. If each zone is treated as containing one track,
the valid value for alternate sectors per zone is 1. If each
zone is treated as containing one cylinder, the valid values
are 1 through 3.
Bytes 6–7 The alternate tracks per zon e field indicates the number
of spare tracks the drive reserves at the end of each
defect-management zone. A value of 0 indicates that no
spare tracks are reserved at the end of each zone for
defect management.
Bytes 8–9 The alternate tracks per volume field indicates the number
of spare tracks to be reserved at the end of the drive for
defect management. The default is equal to twice the
number of read/write heads.
Bits
6 5 4 3
0000
H
Interleave (0001
H
0000
H
Track skew factor (00025
0000
H
Cylinder skew factor (002E
0000
H
0 0 0
0 0 0 0
Reserved (000000
000000
H
83
2 1 0
)
H
)
)
H
)
H
Reserved
0 0 0
)
H