• Type II cards can be up to 5.5 mm thick. These cards are often used for modem and fax modem cards.

As with the cards, PCMCIA slots also come in three sizes:

• A Type II slot can hold one Type II card or one Type I card

In general, you can exchange PC Cards on the fly, without rebooting your computer. For example, you can slip in a fax modem card when you want to send a fax and then, when you're done, replace the fax modem card with a memory card.

GlobalSpec.com: PCMCIA - Provides database of suppliers for PCMCIA. Browse catalogs and view technical information.

PCMCIA home page 
Site of PCMCIA, the worldwide organization for PC card technology. There are links to standards and literature, industry news, a resource directory, related Web links, information about PC cards, and the PCMCIA organization.

PCMCIA primer
This is a primer on PCMCIA, adoption of standards, market information, and development efforts.