User's Manual

Using Your Notebook 3
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ExpressCard modules to be included in smaller host systems. Designed for
both desktop and mobile use, ExpressCard use either USB 2.0 or a single lane
PCI Express technology.
The E xpressCard standard was developed by PCMCIA member companies
including technology leaders, system manufacturers, card manufacturers, from
all other parts of the PC Card industry.
Dimensions of E xpressCard
Current CardBus PC cards are 54 millimeters wide. ExpressCard can divided
into two categories, based on width. Most designs will use the ExpressCard 34
design, which sets the width at 34 millimeters. For some applications, such as
WAN (wide area network) cards for GPRS (General Packet Radio Services)
roaming, the wider E xpressCard 54 standard will be used to produce cards that
can handle the higher thermal requirements of those applications.