Figure 3. Oem Interruptible Thermal Calibration Implementation - Seagate ST12450W Product Manual

12
Refer to Section 11.8 and to the SCSI-2 Interface Product Manual (part
number 77738479) for additional timing details.
Start
A
Has
10 min.
timer
No
expired?
Yes
Set
10 minute
timer
Is
SCSI
command in
progress?
No
Yes
Complete
Command
Seek to
TCAL cyl
and select
head zero

Figure 3. OEM interruptible thermal calibration implementation

ST12450W/WD Product Manual, Rev. A
TCAL
head
Has
target
received a SCSI
No
command?
All All
heads heads
calibrated? Yes calibrated?
No
Select
next
A
head
Has
target
No
received a SCSI
command?
Yes Yes
Target
completes
SCSI
No
command
Yes
Seek to
TCAL cyl
and select
next head