Reset of peripheral printing devices after a hot plug state

Details Reset of peripheral printing devices after a hot plug state Reset of peripheral printing devices after a hot plug state

1992-11-16

1995-01-03

Ray, Gopal C.

Boots, shoes, and leggings

395700, 364231, 3642368, 3642383, 364280, 3642802, 3642731, 3642734, 364DIG1, G06F 1310, G06F 130

Patent

active

053794370

ABSTRACT:
A controller in a personal computer operating system continuously monitors for signals indicating continued powering of an attached keyboard, mouse or other pointing device. Loss of this signal is caused by the accidental or intentional loss of power to the external device or by physically disconnecting the device. Absence of the signal causes the setting of a timeout bit in the device status byte. When the attached device signals that it has successfully become re-powered, the initialization program routine of the operating system is recalled so as to return the device to on-line status without requiring a restart of the entire operating system.

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