Hitachi HTS541616J9SA00 Specifications page 72

H Head number. Indicates that the head number part of the Device Register is an output parameter and should
be specified.
L LBA mode. Indicates the addressing mode. Zero specifies CHS mode and one does LBA addressing mode.
R Retry. Original meaning is already obsolete, there is no difference between 0 and 1. (Using 0 is
recommended for future compatibility.)
Option Bit. Indicates that the Option Bit of the Sector Count Register should be specified. (This bit is used by
B
Set Max ADDRESS command)
V Valid. Indicates that the bit is part of an output parameter and should be specified.
x Indicates that the hex character is not used.
- Indicates that the bit is not used.
Input Registers
0 Indicates that the bit is always set to 0.
1 Indicates that the bit is always set to 1.
H Head number. Indicates that the head number part of the Device Register is an input parameter and will be set
by the device.
V Valid. Indicates that the bit is part of an input parameter and will be set to 0 or 1 by the device.
N Not recommendable condition for start up. Indicates that the condition of device is not recommendable for
start up.
Indicates that the bit is not part of an input parameter.
-
The command descriptions show the contents of the Status and Error Registers after the device has
completed processing the command.
Travelstar 5K160 (SATA) Hard Disk Drive Specification
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