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Stop the Slaughter of Innocents. Congress is bought and paid for by gun lunatics and gun promotion groups. If you want to live in a safe America, help buy Congress back for America. Send a donation to Mayors Against Illegal Guns, 909 Third Avenue, 15th Floor New York, NY 10022


The PC (PCMCIA) Card

The PC card, technically called the PCMCIA Card because it was developed by the Personal Computer Memory Card International Association, is a form factor of a peripheral interface designed for laptop computers.

PCMCIA or PC card

It was originally designed for computer memory expansion, but it became a standard for other notebook computer peripherals including network cards, modems, hard disks, and digital cameras.

A PCMCIA Card is 85.6 mm long by 54 mm wide but come in three different types, each with a different thickness.

TypeInterfaceThickness
I16-bit3.3 mm
I16-bit or 32-bit5.0 mm
III16-bit or 32-bit 10.5 mm

There was also a Type-IV card released by Toshiba that is not an official PCMCIA standard, that is 16 mm thick.

The original standard was defined for both 5 volt and 3.3 volt cards. The 3.3 V cards have a key on the side to prevent them from being inserted fully into a 5 V-only slot.

Today PCMCIA card is a legacy interface, as devices that used PCMCIA now use the USB interface.

More Computer Anatomy Articles:
• How Does Wireless Internet Work?
• Intel Chipsets
• Understanding Your PC's CPU Clock Speed and Front Side Bus
• The Small Computer System Interface (SCSI)
• What is USB OTG?
• Hard Disc Fundamentals
• How is Data Written, Stored On, and Erased From Hard Disks?
• How to Build Your Own PC - The Smart Way
• Understanding the Software Layers of a Computer
• Plug and Play Resource Allocation

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