PC Card Ports

PC Cards are small credit card-sized devices that slide into a notebook computer. (Figure 23.2 shows a typical PC Card device.) The PC Card bus is electronically very similar to an EIDE bus, but a PC Card bus is used for devices that attach to ISA or PCI busses on desktop computers—Ethernet adapters, SCSI adapters, modems, and so on. PC Card devices can be inserted into and removed from a computer quite easily; no tools are required, and the case need not be opened. It's therefore possible to swap a PC card device in and out much as you would a floppy disk. Linux supports a wide variety of PC Card devices.

Chapter 23

Figure 23.2

PC Card devices are very thin, so they often use short cables to provide connectors, as in the Ethernet jack on this PC Card Ethernet adapter.

Figure 23.2

PC Card devices are very thin, so they often use short cables to provide connectors, as in the Ethernet jack on this PC Card Ethernet adapter.

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