diff options
author | Frans Pop <elendil@planet.nl> | 2008-10-03 16:05:55 +0000 |
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committer | Frans Pop <elendil@planet.nl> | 2008-10-03 16:05:55 +0000 |
commit | 93172851c48fdc28df645b24136e8171b53c2ac5 (patch) | |
tree | 51f2d2cdc1aea75dcf9f8cea0d0e3047218117dd /en/hardware/supported-peripherals.xml | |
parent | 62f51ed9b17ce89dcf4daab7eb6430134641b963 (diff) | |
download | installation-guide-93172851c48fdc28df645b24136e8171b53c2ac5.zip |
Restructure supported hardware section.
Diffstat (limited to 'en/hardware/supported-peripherals.xml')
-rw-r--r-- | en/hardware/supported-peripherals.xml | 116 |
1 files changed, 2 insertions, 114 deletions
diff --git a/en/hardware/supported-peripherals.xml b/en/hardware/supported-peripherals.xml index 41a2810a0..138213619 100644 --- a/en/hardware/supported-peripherals.xml +++ b/en/hardware/supported-peripherals.xml @@ -1,7 +1,7 @@ <!-- retain these comments for translator revision tracking --> <!-- $Id$ --> - <sect1 id="supported-peripherals"> + <sect2 id="supported-peripherals"> <title>Peripherals and Other Hardware</title> <para arch="not-s390"> @@ -41,116 +41,4 @@ board features four 64 bit PCI slots. The Cobalt RaQ has no support for additional devices but the Qube has one PCI slot. </para> -</sect1> - - <sect1 arch="not-s390"><title>Purchasing Hardware Specifically for GNU/Linux</title> - -<para> - -There are several vendors, who ship systems with Debian or other -distributions of GNU/Linux -<ulink url="&url-pre-installed;">pre-installed</ulink>. You might pay more -for the privilege, but it does buy a level of peace of mind, since you can -be sure that the hardware is well-supported by GNU/Linux. - -</para><para arch="m68k"> - -Unfortunately, it's quite rare to find any vendor shipping -new &arch-title; machines at all. - -</para><para arch="x86"> - -If you do have to buy a machine with Windows bundled, carefully read -the software license that comes with Windows; you may be able to -reject the license and obtain a rebate from your vendor. Searching -the Internet for <quote>windows refund</quote> may get you some useful -information to help with that. - -</para><para> - -Whether or not you are purchasing a system with Linux bundled, or even -a used system, it is still important to check that your hardware is -supported by the Linux kernel. Check if your hardware is listed in -the references found above. Let your salesperson (if any) know that -you're shopping for a Linux system. Support Linux-friendly hardware -vendors. - -</para> - - <sect2><title>Avoid Proprietary or Closed Hardware</title> -<para> - -Some hardware manufacturers simply won't tell us how to write drivers -for their hardware. Others won't allow us access to the documentation -without a non-disclosure agreement that would prevent us from -releasing the Linux source code. - -</para><para arch="m68k"> - -Another example is the proprietary hardware in the older -Macintosh line. In fact, no specifications or documentation have ever -been released for any Macintosh hardware, most notably the ADB -controller (used by the mouse and keyboard), the floppy controller, -and all acceleration and CLUT manipulation of the video hardware -(though we do now support CLUT manipulation on nearly all internal -video chips). In a nutshell, this explains why the Macintosh Linux -port lags behind other Linux ports. - -</para><para> - -Since we haven't been granted access to the documentation on these -devices, they simply won't work under Linux. You can help by asking -the manufacturers of such hardware to release the documentation. If -enough people ask, they will realize that the free software community -is an important market. - -</para> -</sect2> - - - <sect2 arch="x86"><title>Windows-specific Hardware</title> -<para> - -A disturbing trend is the proliferation of Windows-specific modems and -printers. In some cases these are specially designed to be operated by -the Microsoft Windows operating system and bear the legend <quote>WinModem</quote> -or <quote>Made especially for Windows-based computers</quote>. This -is generally done by removing the embedded processors of the hardware -and shifting the work they do over to a Windows driver that is run by -your computer's main CPU. This strategy makes the hardware less -expensive, but the savings are often <emphasis>not</emphasis> passed on to the -user and this hardware may even be more expensive than equivalent -devices that retain their embedded intelligence. - -</para><para> - -You should avoid Windows-specific hardware for two reasons. The first -is that the manufacturers do not generally make the resources -available to write a Linux driver. Generally, the hardware and -software interface to the device is proprietary, and documentation is -not available without a non-disclosure agreement, if it is available -at all. This precludes it being used for free software, since free -software writers disclose the source code of their programs. The -second reason is that when devices like these have had their embedded -processors removed, the operating system must perform the work of the -embedded processors, often at <emphasis>real-time</emphasis> priority, -and thus the CPU is not available to run your programs while it is -driving these devices. Since the typical Windows user does not -multi-process as intensively as a Linux user, the manufacturers hope -that the Windows user simply won't notice the burden this hardware -places on their CPU. However, any multi-processing operating system, -even Windows 2000 or XP, suffers from degraded performance when -peripheral manufacturers skimp on the embedded processing power of -their hardware. - -</para><para> - -You can help improve this situation by encouraging these manufacturers -to release the documentation and other resources necessary for us to -program their hardware, but the best strategy is simply to avoid this -sort of hardware until it is listed as working in the -<ulink url="&url-hardware-howto;">Linux Hardware Compatibility HOWTO</ulink>. - -</para> -</sect2> - </sect1> + </sect2> |