Product manual

C.4 Rigid Disc Geometry page (04
H
)
The Rigid Disc Geometry page is shown below. This table summarizes
the function, the default value, and the changeability of each bit.
Bit
Byte
7 6 5 4 3 2 1 0
0 PS (1) Page code (04
H
)
1 Page length (16
H
)
2–4 Number of cylinders
changeable 000000
H
5 Number of heads
changeable 00
H
6–8 Starting cylinder for write precompensation
default 000000
H
changeable 000000
H
9–11 Starting cylinder for reduced write current
default 000000
H
changeable 000000
H
12–13 (default) Drive step rate (0000
H
)
changeable 0000
H
14–16 (default) Loading zone cylinder (000000
H
)
changeable 000000
H
17
Reserved
RPL
default 0 0
changeable 0 0 0 0 0 0 1 1
18 (default) Rotational offset (00
H
)
changeable FF
H
19 (default) Reserved (00
H
)
changeable 00
H
20–21 Media rotation rate
default 1194
H
changeable 0000
H
22–23 (default) Reserved (0000
H
)
changeable 0000
H
ST3655 Family SCSI Drives Product Manual, Rev. A 99