Distinguish Between Pcmcia And Cardbus Expresscard

CardBus is a PCMCIA bus, which is used to a new high-performance notebook computer

PC card bus interface standard, as widely used in desktop computers in the same PCI bus. The bus standard and compared to the original PC Card standard has the following advantages: first, 32-bit data transmission and 33MHz operation. CardBus Fast Ethernet PC Card close to the maximum throughput of 90 Mbps, while the 16-bit Fast Ethernet PC Card can only reach 20-30 Mbps. Second, the bus independently. To make PC cards can be independent of the main CPU, and the direct exchange of data between the computer's memory, so that CPU can handle other tasks. Thirdly, 3.3V power supply, low power consumption. Improved battery life, reducing the computer's internal thermal diffusion, enhanced system reliability. Fourth, the backward-compatible 16-bit PC Cards. Old-fashioned Ethernet and Modem devices can still be inserted PC Card CardBus slot to use.

It allows users to 32-bit interface FastEtherent and high-speed SCSI and image capture technologies. Cardbus allows 32-bit PCI devices packaged into 16-bit PC card format, to inserted into the PC card slot. Cardbus the 33MHz bus to reach 132M / s transfer rate. 16-bit PC Card interface provided by the modem and Fast Ethernet technology can not meet the 10MbDsLAN connections. But now,more and more people use cardBus Card, so to most new laptop. a ExpressCard to CardBus Adapter is a must. About the specs on adpters at:http://www.espow.com/wholesale-pcmcia-cardbusexpress-to-card-expresscard-34-adapter.html

CardBus right PCMCIA bus structure was redefined and improved, but still return to the previous 1 and 2 set the standard. CardBus The main purpose is to PCMCIA bus expansion to a higher speed, more powerful devices to connect and provide for a 32-bit I / O and memory data channel support. It includes a new shield bus connectors, and can not be the CardBus card into the 2.x or older version of the design of the previous generation systems. In the CardBus technology, it added in the original standard, many new elements, but is fully compatible with the original standard products, the most important thing is that it has a 32-bit data path, the bus control capability in support of multi-function PCMCIA cards and support for low voltage (3.3V or lower) products. So, if your notebook is a old type and less expresscard port, you just install a pcmcia to expresscard adapter. It's easy and quick. Look some more details about it at:http://www.espow.com/wholesale-express-card-expresscard-34-to-pcmcia-cardbus-adapter.html

Supports CardBus interface with the most outstanding ability to work. Because it supports 32-bit complex data and address, so that the transmission speed of CardBus can support high-bandwidth USB 2.0 and IEEE1394 interface, which compared the use of 16-bit interface card many times faster, of course, will receive 16 total CardBus line structure of the main system is not feel the speed increased.

by: drogbagoogle

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