## Input/Output Device Driver Reference

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### Enable_Device

This request is used by MOUSE$ when resetting a pointing device to an enabled state. Process_Packet and Process_Absolute requests are made to MOUSE$ when a pointing device is in an enabled state. Receipt of an Enable_ Device request is not considered an error if the pointing device is already enabled.

Input: AX = Enable_Device function code, 0004H.

Output: No specific output for the request.