Seagate ST12450W, Product Manual

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12 ST12450W/WD Product Manual, Rev. A
Refer to Section 11.8 and to the SCSI-2 Interface Product Manual (part
number 77738479) for additional timing details.
Figure 3. OEM interruptible thermal calibration implementation
Start
Has
10 min.
timer
expired?
Set
10 minute
timer
Yes
No
Yes
A
Is
SCSI
command in
progress?
No
Complete
Command
Seek to
TCAL cyl
and select
head zero
TCAL
head
Has
target
received a SCSI
command?
No
Yes
All
heads
calibrated?
Yes
A
All
heads
calibrated?
No
Yes
Select
next
head
No
Has
target
received a SCSI
command?
Yes
No
Target
completes
SCSI
command
Seek to
TCAL cyl
and select
next head