Seagate ST3285N, Product Manual

Page: 105 / 151

C.3 Format Device page (03
H
)
The Format Device page is shown below. This table summarizes the
function, the default value, and the changeability of each bit.
This page is sent only before the Format Unit command is sent. The drive
parameters are updated immediately, but any changes between these
current parameters and the existing media format do not take effect until
after the Format Unit command is completed.
Bit
Byte
7 6 5 4 3 2 1 0
0 PS (1) Page code (03
H
)
1 Page length (16
H
)
2–3 Tracks per zone
default
ST3285N and ST3390N = 0003
H
ST3550N and ST3655N = 0005
H
changeable FFFF
H
4–5 (default) Alternate sectors per zone (0001
H
)
changeable FFFF
H
6–7 (default) Alternate tracks per zone (0000
H
)
changeable 0000
H
8–9 Alternate tracks per volume
default
ST3285N and ST3390N = 0006
H
ST3550N and ST3655N = 000A
H
changeable FFFF
H
10–11 (default) Sectors per track (0052
H
)
changeable 0000
H
12–13 (default) Data bytes per physical sector (0200
H
)
changeable 0000
H
14–15 (default) Interleave (0001
H
)
changeable 0000
H
16–17 (default) Track skew factor (0002
H
)
changeable FFFF
H
18–19 (default) Cylinder skew factor (0009
H
)
changeable FFFF
H
continued
ST3655 Family SCSI Drives Product Manual, Rev. A 95