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6.4 Defect Management
C141-E050-02EN 6-11
When one of following commands is issued, the command is executed normally
and the device is still stayed in the standby mode.
• Reset (hardware or software)
• STANDBY command
• STANDBY IMMEDIATE command
• INITIALIZE DEVICE PARAMETERS command
• CHECK POWER MODE command
(4) Sleep mode
The power consumption of the drive is minimal in this mode. The drive enters
only the standby mode from the sleep mode. The only method to return from the
standby mode is to execute a software or hardware reset.
The drive enters the sleep mode under the following condition:
• A SLEEP command is issued.
Issued commands are invalid (ignored) in this mode.
6.3.2 Power commands
The following commands are available as power commands.
• IDLE
• IDLE IMMEDIATE
• STANDBY
• STANDBY IMMEDIATE
• SLEEP
• CHECK POWER MODE
6.4 Defect Management
Defective sectors of which the medium defect location is registered in the system
space are replaced with spare sectors in the formatting at the factory shipment.
All the user space area are formatted at shipment from the factory based on the
default parameters listed in Table 6.1.