Patent ID: 6189058
Filing Date: 2001-02-13
Classification: G06F

Abstract:
An apparatus for hot plugging an expansion slot containing a card, the expansion slot having a plurality of contacts for receiving a plurality of signal lines from a bus, the expansion slot receiving at one of the contacts a mode control line, comprising:a plurality of switches corresponding to the plurality of signal lines, each switch forming a switching action to perform one of connecting and disconnecting a respective one of the plurality of signal lines of the bus from each of the respective contacts of the expansion slot; anda bypass switch for one of connecting and disconnecting a mode control line indicating one of a 32 bit bus mode and a 64 bit bus mode from a mode controller to a contact of the expansion slot, wherein the bypass switch is configured to directly couple the contact to an active low voltage wherein the 64 bit bus mode is thereby communicated to the card when the signal lines of the bus are disconnected from the contacts of the expansion slot.