Apple Mac PowerBook 550c - Manual (Page 9)

Basics PCMCIA Module Handling - 7
PCMCIA Module Handling
The PCMCIA (Personal Computer Memory Card
International Association) expansion module is an option for
the Macintosh PowerBook 550c. The module inserts into the
computer’s second (left) battery bay and has two slots that
accept a variety of third-party PCMCIA cards.
There are three types of PCMCIA cards: Type I (3 mm),
Type II (5 mm), and Type III (10 mm). Type I and Type II
cards fit in either the upper or lower slot of the expansion
module. Type III cards fit in the lower slot and take up both
slots.
The following are guidelines for properly handling the
PCMCIA expansion module:
• Do not insert or remove the PCMCIA expansion module
while the computer is on or in Sleep mode. if you do, the