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These software drivers allow the applications and user to make use of the PCMCIA hardware. There are several layers of software drivers that allow the PCMCIA card and slot to function with the computer. 10.5mm thick cards that are most often hard drives. Type II PCMCIA cards include SCSI adapters, sound cards, modems, network adapters, and interface cards for external devices 5.0mm thick cards that allow more complex functions than the Type I cards.
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3.3mm thick SRAM or EEPROM memory cards. The function of each type is only restricted by its size. There are three types of PCMCIA cards, arraigned by size. You may want to check the documentation for your computer to see what is available. You can check your computer to see if there are any PCMCIA slots. The type III slot is the same size as two type II slots. The type II slot is the most common slot type. The slots are backwards compatible, so you can use a type I card in a type II slot. There are three types of PCMCIA cards, and three types of PCMCIA slots. To benefit from PCMCIA you must have both the necessary hardware, and the necessary software. The first cards were memory cards, but now there is a wide range of PCMCIA cards available, from hard drives to network adapters.
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The acronym is used for the credit card sized devices that conform to the standards of this association. PCMCIA stands for Personal Computer Memory Card International Association. TP General - PCMCIA overview for DOS/Windows 3.1
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