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Home >> Resources | Support >> How to Choose? >> How to Choose: Hardware for Linux >> 

Linux Hardware Guide: USB

Linux is an excellent operating system, but because it is not trying to generate a profit, the main driving factor to develop and implement new technologies, money, is not present. It is a labor of love, and therefore, the latest in technologies may not be available, or as stable as you may like. The page outlines the three major technologies that are not fully implemented.

USB I know what you're thinking, USB? USB has been around awhile and is pushing to replace legacy ports like Serial and PS/2. Despite it even being in it's second generation, with USB 2.0 becoming standard over USB 1.1, Linux support is not the best.

For USB 1.1, Linux USB's FAQ: "What "Host Controller Driver" should I use?" can help.

From Linux-USB about USB 2.0 Devices:  "if you have the EHCI driver, and a USB 2.0 host controller (EHCI, currently available as add-on PCI cards) then you can use these devices at high speed. EHCI support is available in the Linux 2.5 development kernels, and also in 2.4.19 kernels. (The 2.4.19 code should handle USB disks nicely, but for more complete USB 2.0 support, use 2.5 instead.) At this writing the EHCI driver is labeled 'experimental'."

You can get more information from Linux-USB and their working device database.  

IEEE 1394 1394 is better known by it's copywrited name "FireWire". Firewire is copywrited by Apple, and another name is iLink, which is trademarked by Sony. IEEE 1394 is the international standard's name for this technology, which can handle a maximum throughput of 400 Mbps.

For more information, check Linux1394.org and their compatibility list.

"Firewire 800" The next iteration of IEEE 1394, otherwise known as IEEE 1394b, which doubles the previous iteration's throughput to 800 Mbps. It is not yet standard, or commonly found, and therefore don't expect Linux to field this ball for several months after it's release.
802.11 802.11 is known for it's use in Palm Pilots, Pocket PC's and the like. However, that application is a specific version of 802.11, called 802.11b. Linux has a degree of support for Bluetooth.  Try O'Reilly's Recipe for a Linux 802.11b Home Network

There are two other versions, 802.11a otherwise known as . Additionally, 802.11g, or , is .

As 802.11a and g are not evenly widely known of, let alone implemented, Linux support is few and far between. To get the latest information about Linux support of these technologies, your best bet is to check with the community.

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