Specifications

8.8.6 Mode Page 4 (Rigid Disk Drive Geometry Parameters)
RESERVED22-23
(MSB)
Medium Rotation Rate in RPM
(LSB)
20-21
RESERVED19
Rotational Offset = 00 (Not used)18
RPL=0RESERVED17
(MSB)
Landing Zone Cylinder (Not used)
(LSB)
14-16
(MSB)
Drive Step Rate (Not used)
(LSB)
12-13
(MSB)
Starting Cylinder -
Reduced Write Current = 0
(LSB)
9-11
(MSB)
Starting Cylinder -
Write Precompensation = 0
(LSB)
6-8
Number of heads5
(MSB)
Number of Cylinders
(LSB)
2-4
Page Length = 16h1
Page Code = 04hRSVD= 00
01234567
Bit
Byte
Figure 91. Mode Page 4 (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.
Ultrastar 146Z10 hard disk drive specifications
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