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Seagate ST3146855LW ユーザーズマニュアル

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74
Cheetah 15K.5 SCSI Product Manual, Rev. J
10.11
Drive activity LED
The following table provides drive activity LED status.
Table 25: 
Drive activity LED status
Spindle status
Command status
LED status
Spinning up with DC power applied
N/A
On until spinup is complete
Spun down
Start Unit
On while processing the command
Powered down by removal of DC 
power
N/A
Off due to absence of power
Spun up
Stop Unit
On while processing the command
Spun down
No command activity
Off
Spun down
Write/Read Buffer
On while processing the command
Spun down
SCSI Bus Reset
On while processing the reset
Spun down
Test Unit Ready
On while processing the command
Spun up
No command activity
Off
Spun up
Write/Read
On while processing the command
Spun up
SCSI Bus Reset
On while processing the reset
Spun up
Test Unit Ready
On while processing the command
Spun up
Format with Immediate option on
On while the command is initially processed
Spun up
Format without Immediate
LED toggles on/off on each cylinder boundary
Spun up
Write Same Command in prog-
ress
Toggles on/off