diff options
Diffstat (limited to 'en/preparing/pre-install-bios-setup.xml')
| -rw-r--r-- | en/preparing/pre-install-bios-setup.xml | 100 |
1 files changed, 8 insertions, 92 deletions
diff --git a/en/preparing/pre-install-bios-setup.xml b/en/preparing/pre-install-bios-setup.xml index 025220a96..2e80da6b1 100644 --- a/en/preparing/pre-install-bios-setup.xml +++ b/en/preparing/pre-install-bios-setup.xml @@ -21,28 +21,10 @@ hardware; it is most critically invoked during the bootstrap process &bios-setup-sparc.xml; &bios-setup-s390.xml; - <sect2><title>Hardware Issues to Watch Out For</title> -<para arch="not-s390"> + <sect2 arch="m68k;x86;powerpc" id="hardware-issues"> + <title>Hardware Issues to Watch Out For</title> -Many people have tried operating their 90 MHz CPU at 100 MHz, etc. It -sometimes works, but is sensitive to temperature and other factors and -can actually damage your system. One of the authors of this document -over-clocked his own system for a year, and then the system started -aborting the <command>gcc</command> program with an unexpected signal -while it was compiling the operating system kernel. Turning the CPU -speed back down to its rated value solved the problem. - -</para><para arch="not-s390"> - -The <command>gcc</command> compiler is often the first thing to die -from bad memory modules (or other hardware problems that change data -unpredictably) because it builds huge data structures that it -traverses repeatedly. An error in these data structures will cause it -to execute an illegal instruction or access a non-existent -address. The symptom of this will be <command>gcc</command> dying from -an unexpected signal. - -</para><para arch="m68k"> +<para arch="m68k"> Atari TT RAM boards are notorious for RAM problems under Linux; if you encounter any strange problems, try running at least the kernel in @@ -54,66 +36,9 @@ FIXME: more description of this needed. </emphasis></phrase> -</para><para arch="x86"> - -If you do have true-parity RAM and your motherboard can handle it, be -sure to enable any BIOS settings that cause the motherboard to -interrupt on memory parity errors. - -</para> - - <sect3 arch="x86"><title>The Turbo Switch</title> -<para> - -Many systems have a <emphasis>turbo</emphasis> switch that controls -the speed of the CPU. Select the high-speed setting. If your BIOS -allows you to disable software control of the turbo switch (or -software control of CPU speed), do so and lock the system in -high-speed mode. We have one report that on a particular system, while -Linux is auto-probing (looking for hardware devices) it can -accidentally touch the software control for the turbo switch. - </para> - </sect3> - - <sect3 arch="x86"><title>Cyrix CPUs and Floppy Disk Errors</title> -<para> -Many users of Cyrix CPUs have had to disable the cache in their -systems during installation, because the floppy disk has errors if -they do not. If you have to do this, be sure to re-enable your cache -when you are finished with installation, as the system runs -<emphasis>much</emphasis> slower with the cache disabled. - -</para><para> - -We don't think this is necessarily the fault of the Cyrix CPU. It may -be something that Linux can work around. We'll continue to look into -the problem. For the technically curious, we suspect a problem with -the cache being invalid after a switch from 16-bit to 32-bit code. - -</para> - </sect3> - - <sect3 arch="x86"><title>Peripheral Hardware Settings</title> -<para> - -You may have to change some settings or jumpers on your computer's -peripheral cards. Some cards have setup menus, while others rely on -jumpers. This document cannot hope to provide complete information on -every hardware device; what it hopes to provide is useful tips. - -</para><para> - -If any cards provide <quote>mapped memory</quote>, the memory should be -mapped somewhere between 0xA0000 and 0xFFFFF (from 640K to just below 1 -megabyte) or at an address at least 1 megabyte greater than the total -amount of RAM in your system. - -</para> - </sect3> - - <sect3 arch="x86" id="usb-keyboard-config"> + <formalpara arch="x86"> <title>USB BIOS support and keyboards</title> <para> @@ -126,21 +51,12 @@ Consult your main board manual and look in the BIOS for <quote>Legacy keyboard emulation</quote> or <quote>USB keyboard support</quote> options. </para> - </sect3> + </formalpara> - <sect3><title>More than 64 MB RAM</title> -<para> - -The Linux Kernel cannot always detect what amount of RAM you have. If -this is the case please look at <xref linkend="boot-parms"/>. - -</para> - </sect3> - - <sect3 arch="powerpc"> + <formalpara arch="powerpc"> <title>Display-visibility on OldWorld Powermacs</title> -<para> +<para> Some OldWorld Powermacs, most notably those with the <quote>control</quote> display driver, may not reliably produce a colormap under Linux when the display is configured for more than 256 colors. If you are experiencing such @@ -151,6 +67,6 @@ interface, try changing your display settings under MacOS to use 256 colors instead of <quote>thousands</quote> or <quote>millions</quote>. </para> - </sect3> + </formalpara> </sect2> </sect1> |