Using An Expresscard - HP Compaq Presario,Presario X6000 Hardware And Software Manual

Using an ExpressCard

The ExpressCard is a next-generation PC Card with higher
performance and scalability and is designed to conform to the
standard specifications of the PCMCIA.
To support a broad range of applications, ExpressCards come in 2
sizes: ExpressCard/34 and ExpressCard/54. The ExpressCard slot
on your notebook supports either size.
Component
1
ExpressCard/34
2
ExpressCard/54
Hardware and Software Guide
Hardware Options and Upgrades
6–9