Hitachi HUS154530VLF400 User Manual
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
182
19.10.6 Mode Page 04 (Rigid Disk Drive Geometry Parameters)
Table 151: Mode Page 04 (Rigid Disk Drive Geometry Parameters)
The rigid disk drive geometric page specifies various parameters for the drive.
• RPL = 0, Indicates that the drive does not support spindle synchronization.
Byte
Bit
7
6
5
4
3
2
1
0
Default
0
PS
0
Page Code = 04h
04h
1
Page Length = 16h
16h
2-4
(MSB)
Number of Cylinders
(LSB)
xxh
xxh
5
Number of heads
xxh
6-8
(MSB)
Starting Cylinder -
Write Precompensation = 0 (LSB)
00h
00h
9-11
(MSB)
Starting Cylinder -
Reduced Write Current = 0 LSB)
00h
00h
12-13
(MSB) Drive Step Rate = 0 (Not used)
(LSB)
00h
00h
14-16
(MSB)
Landing Zone Cylinder = 0 (Not used)
(LSB)
00h
00h
17
RESERVED = 0
RPL = 0
00h
18
Rotational Offset = 0 (Not used)
00h
19
RESERVED = 0
00h
20-21
(MSB) Medium Rotation Rate in RPM
(LSB)
3Ah
98h
22-23
Reserved = 0
00h