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12.13.5
Rigid Disc Drive Geometry Parameters page (04h)
The Rigid Disc Drive Geometry Parameters page implementation is defined in Table 150. This table summa-
rizes the function and defines the default value.
See the individual drive's Product Manual, Volume 1, Mode Sense Data section, for changeable values.
Table 150: Rigid Disc Drive Geometry Parameters page (04h)
Bit
7
Byte
0
1
PS
Page Length (16h)
1
2 Default Number of Cylinders (MSB)
3 Default Number of Cylinders
4 Default Number of Cylinders (LSB)
5 Default Number of Heads
6–8
Startling Cylinder–Write Precomp.
Default
9–11
Starting Cylinder–Reduced Write Current
Default
12,13
Drive Step Rate
Default
14–16
Landing Zone Cylinder
Default
17
0
Default
18
Rotational Offset (XXh)
Default
19
0
Default
20
(MSB)
21
22
0
Default
23
0
Default
Field definitions (listed alphabetically)
Table
number
Drive Step Rate
150
Not applicable.
226
6
5
Page descriptor header
0
0
Rigid disc drive geometry parameters
0
0
0
0
Medium Rotation Rate
0
0
0
0
4
3
0
0
Page Code (04h)
0
0
0
0
Reserved
0
0
Reserved
0
0
Reserved
Fibre Channel Interface Manual, Rev. D
2
1
1
0
0
RPL
0
0
(LSB)
0
0
0
0
0
0
0
0
0
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