Specifications

WITE32 Release Notes Version 3.20
Figure 22: Incorrect Head Bandwidth Warning During Servo Calibration
4.2.2 Reset Index Skew Control in the Servo Erase Configuration Dialog Box
A new control Reset Index Skew check box is added to the Erase Servo Configuration dialog box (see Figure
23). The index skew is the delay between the spinstand index and internally generated RWA index (refer to
WITE32 System Configuration User’s Guide for detailed information about the index skew feature). When the
Reset Index Skew check box is checked, the index skew value is automatically set to zero in the beginning of the
execution of the servo erase procedure.
The control over the index skew is available in the Gate and Track Format dialog box in the Skew Index frame. Note:
This feature is implemented to avoid the servo writing with non-zero index skew. This is mainly relates to the
split head testing. As a result of the execution, the split head test sets the new value of the index skew. Several
consecutive executions of the split head test and the servo writing procedure may cause the accumulation of the
index skew value. To prevent this accumulation it is recommended to check the Reset Index Skew check box.
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