G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 1/00 (2006.01) G01R 31/04 (2006.01) G06F 1/16 (2006.01) G06F 1/24 (2006.01) H01R 13/641 (2006.01) H04M 3/22 (2006.01) H04Q 1/20 (2006.01) H01R 12/16 (2006.01)
Patent
CA 2559681
According to one embodiment, a connection detection circuit detects a first state in which a first connector is connected to a motherboard. A reset-releasing circuit releases the reset state of a control unit upon detection of the first state by the connection detection circuit. The reset-releasing circuit receives a particular signal from an expansion unit via a particular signal pin. The particular signal pin assumes a particular logical state in a second state in which the expansion unit is connected to the motherboard. When the logical state of the particular signal pin differs from the particular logical state, the reset-releasing circuit does not release the reset state of the control unit, regardless of whether the connection detection circuit detects the first state.
Fetherstonhaugh & Co.
Kabushiki Kaisha Toshiba
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