Expanding Your Computer 4-7Using ExpressCardsYour computer may have an ExpressCard slot.The ExpressCard slot can accommodate a 54 mm (ExpressCard/54) or 34 mm(ExpressCard/34) wide ExpressCard. Typical ExpressCards support a veryextensive range of applications including memory, wired and wirelesscommunication cards, and security devices.Shown next are the appearances of ExpressCards for your reference.ExpressCard/54 ExpressCard/34To insert an ExpressCard:1. Locate the ExpressCard slot on the left side of the computer. It can bethe upper slot (standard configuration) or lower slot depending on yourmodel.2. Slide the ExpressCard, with its label facing up, all the way into the slotuntil the rear connectors click into place.