IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive - Device Configuration Overlay (B1 H); DEVICE CONFIGURATION RESTORE (Subcommand C0 H); Figure 76. Device Configuration Overlay (B1 H); Figure 77. Device Configuration Overlay Features Register Values

13.2 Device Configuration Overlay (B1h)
...See Below...Status10001101Command
--------Device/Head----D---Device/Head
VVVVVVVV
Cylinder
High
--------
Cylinder
High
VVVVVVVVCylinder Low--------Cylinder Low
--------
Sector
Number
--------
Sector
Number
VVVVVVVVSector Count--------Sector Count
...See Below...ErrorVVVV0101Feature
--------Data--------Data
01234567Register01234567Register
Command Block Input RegistersCommand Block Output Registers
V--V-VVV00V00000
ERRIDXCORDRQDSCDFRDYBSYAMNT0NABT0IDN0UNCCRC
0123456701234567
Status RegisterError Register
Figure 76. Device Configuration Overlay (B1h)
Individual Device Configuration Overlay feature set commands are identified by the value placed in the
Features register. The table below shows these Features register values.
Reservedother
DEVICE CONFIGURATION SETC3h
DEVICE CONFIGURATION IDENTIFYC2h
DEVICE CONFIGURATION FREEZE LOCKC1h
DEVICE CONFIGURATION RESTOREC0h
CommandValue
Figure 77. Device Configuration Overlay Features register values
13.2.1 DEVICE CONFIGURATION RESTORE (subcommand C0h)
The DEVICE CONFIGURATION RESTORE command disables any setting previously made by a
DEVICE CONFIGURATION SET command and returns the content of the IDENTIFY DEVICE or
IDENTIFY PACKET DEVICE command response to the original settings as indicated by the data returned
from the execution of a DEVICE CONFIGURATION IDENTIFY command.
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
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