Patent
1992-05-15
1997-05-27
Lee, Thomas C.
395832, 395833, 395834, G06F 300
Patent
active
056340796
ABSTRACT:
A computer system as provided with an internal flash ROM which includes the BIOS. In the event the flash ROM becomes corrupt, a special purpose interface allows for mode switching of a standard parallel port from a standard peripheral interface, such as a printer interface to a special purpose interface to enable the BIOS to be executed from an external ROM or another computer connected to the parallel port.
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"All about Parallel-Port Signals", John Yacono, Popular Electronics, Jan. 1992, pp. 38-41 and 94.
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Chen Anderson I.
Lee Thomas C.
Zenith Data Systems Corporation
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