Hitachi 5K100 - Travelstar - Hard Drive User Manual

Travelstar 5K100 Hard Disk Drive Specification
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Command data structure: Data format of each command data structure is shown below.
Table 88: Command data structure
Note bits (7:0) refer to the most recently written contents of the register. Bits (15:8) refer to the contents of the reg-
ister prior to the most recent write to the register.
State shall contain a value indicating the state of the device when the command was issued to the device or the reset
occurred as described below.
Value State
Note: The value of x is vendor specific.
Value
State
x0h
Unknown
x1h
Sleep
x2h
Standby
x3h
Active/Idle
x4h
SMART Off-line
or Self-test
x5h-xAh
Reserved
xBh-xFh
Vendor specific
Description Bytes Offset
Device Control register 1 00h
Features register (7:0) (see Note) 1 01h
Features register (15:8) 1 02h
Sector count register (7:0) 1 03h
Sector count register (15:8) 1 04h
Sector number register (7:0) 1 05h
Sector number register (15:8) 1 06h
Cylinder Low register (7:0) 1 07h
Cylinder Low register (15:8) 1 08h
Cylinder High register (7:0) 1 09h
Cylinder High register (15:8) 1 0Ah
Device/Head register 1 0Bh
Command register 1 0Ch
Reserved 1 0Dh
Timestamp (milliseconds from Power-on) 4 0Eh
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Hitachi 5K100 - Travelstar - Hard Drive Specifications

General

Cache	8MB
Buffer Size	8 MB
Rotational Speed	5400 RPM
Average Latency	5.5ms
Weight	95g
Height	9.5mm
Type	Hard Drive
Capacity	100GB
Form Factor	2.5 inch
RPM	5400
Acoustics (Seek)	2.6 bels