This Jumper switch can be set to enable or disable the Idle Seek function, that will move heads from the currrent cylinder to another cylinder, if no seek command has been accepted within 24 seconds.
The jumper switch shall be set before power is turned on.

Table 2-9 Jumper Setting for Idle Seek Select

JP2 (pin 15-16)
Function	Not Supported (Factory Default)	Supported

Jumper Location