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226 Fibre Channel Interface Manual, Rev. D
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.
Field definitions (listed alphabetically)
Drive Step Rate
Not applicable.
Table 150: Rigid Disc Drive Geometry Parameters page (04h)
Bit
Byte
76543210
Page descriptor header
0 1 0000100
PS Page Code (04h)
1
Page Length (16h)
Rigid disc drive geometry parameters
2 Default
Number of Cylinders (MSB)
3 Default
Number of Cylinders
4 Default
Number of Cylinders (LSB)
5 Default
Number of Heads
6–8
Default
Startling Cylinder–Write Precomp.
9–11
Default
Starting Cylinder–Reduced Write Current
12,13
Default
Drive Step Rate
14–16
Default
Landing Zone Cylinder
17
Default
000000 RPL
18
Default
Rotational Offset (XXh)
19 00000000
Default Reserved
20 (MSB)
Medium Rotation Rate
21 (LSB)
22 00000000
Default Reserved
23 00000000
Default Reserved
Table
number
150