An integrated controller for the detection and operation of both PC Cards, smart cards and passive smart card adapter cards. In one aspect, the invention detects the presence of standard expansion cards or passive smart card adapters by utilizing the reserved detection and voltage selection signal area...http://www.google.de/patents/US7076589?utm_source=gb-gplus-sharePatent US7076589 - Integrated PC card host controller for the detection and operation of a plurality of expansion cards
