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Home : Computers : Hardware : Buses : PCMCIA
PCMCIA
Personal Computer Memory Card International Association
Standardizes packages for memory and input/output (modems, LAN cards, etc.) for computers, laptops, palmtops, etc. For each there is a specific set for each bus to use.
As a bus it is the network/or circuitry's placement in which all the devices are attached to it and all signals pass through each device, but only the targeted device will receive and recognize the signal intended for it.
The PCMCIA bus is 8 bits wide and doesn't allow for direct memory access (DMA) transfers, or bus mastering.
The newest version called the CardBus addresses these issues.
Standardizes packages for memory and input/output (modems, LAN cards, etc.) for computers, laptops, palmtops, etc. For each there is a specific set for each bus to use.
As a bus it is the network/or circuitry's placement in which all the devices are attached to it and all signals pass through each device, but only the targeted device will receive and recognize the signal intended for it.
The PCMCIA bus is 8 bits wide and doesn't allow for direct memory access (DMA) transfers, or bus mastering.
The newest version called the CardBus addresses these issues.
Sites in PCMCIA
PCMCIA Trade Association
The standards and trade group for PC Cards used in portable computers. Plenty of information about PCMCIA 16-bit and CardBus PC Cards, SmartMedia, and Miniature Cards. The acronym stands for Personal Computer Memory Card International Association, but some say it's really: People Can't Memorize Computer Industry Acronyms.
Warp Nine Engineering - When You've Got That Need For Speed!
IEEE 1284 Experts. You will find a detailed technical introduction to the standard, review a growing list of products that support the new protocols and learn more about the ongoing standards activities of the IEEE 1284.x working groups.
Infared Data Association - IrDA
International organization that creates and promotes interoperable, low cost infrared data interconnection standards that support a walk-up, point-to-point user model. The standards support a broad range of appliances, computing and communications devices.
How to Install a PCMCIA Card
There are three components required to set up a PCMCIA card. If you follow these general instructions you will have a good chance that installing your new PCMCIA card will be easy and trouble free. From Synchrotech site.
SmartMedia Technology Primer
About one-third the area of a conventional PC Card and only 0.76mm in thickness. This new storage card is expected to help electronic devices, including the digital still camera and various forms of portable information equipment, become even smaller in size. From SSFDC Forum home page.
PC Card FAQ
Frequently asked questions about PC Card technology.
PC Card Technology Primer
The rapid development and worldwide adoption of PC Card technology has been due in large part to the standards efforts of the Personal Computer Memory Card International Association (PCMCIA). An introduction from PCMCIA.
Miniature Card Technology Primer
Designed for low cost consumer needs. An introduction from PCMCIA.
New Bus Architectures
How CardBus Fits with IEEE 1394, USB, PCI and Others by Claude A. Cruz a PCMCIA member. |
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cross references
Computers : Hardware : Buses : PCI Computers : Hardware : Systems : Notebooks and Laptops Computers : Systems : Handhelds