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Diffstat (limited to 'doc/kinfocenter/dma')
-rw-r--r-- | doc/kinfocenter/dma/Makefile.am | 3 | ||||
-rw-r--r-- | doc/kinfocenter/dma/index.docbook | 64 |
2 files changed, 67 insertions, 0 deletions
diff --git a/doc/kinfocenter/dma/Makefile.am b/doc/kinfocenter/dma/Makefile.am new file mode 100644 index 000000000..0e2aa88e7 --- /dev/null +++ b/doc/kinfocenter/dma/Makefile.am @@ -0,0 +1,3 @@ + +KDE_LANG= en +KDE_DOCS = kinfocenter/dma diff --git a/doc/kinfocenter/dma/index.docbook b/doc/kinfocenter/dma/index.docbook new file mode 100644 index 000000000..75fb55c75 --- /dev/null +++ b/doc/kinfocenter/dma/index.docbook @@ -0,0 +1,64 @@ +<?xml version="1.0" ?> +<!DOCTYPE article PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" +"dtd/kdex.dtd" [ +<!ENTITY % addindex "IGNORE"> +<!ENTITY % English "INCLUDE" > <!-- change language only here --> +]> + +<article lang="&language;"> +<title><acronym>DMA</acronym> Channel Information</title> +<articleinfo> + +<authorgroup> +<author>&Matthias.Hoelzer-Kluepfel;</author> +<author>&Helge.Deller;</author> +<author>&Duncan.Haldane;</author> +<author>&Mike.McBride;</author> +<!-- TRANS:ROLES_OF_TRANSLATORS --> +</authorgroup> + +<date>2002-02-12</date> +<releaseinfo>3.00.00</releaseinfo> + +<keywordset> +<keyword>KDE</keyword> +<keyword>KControl</keyword> +<keyword>DMA</keyword> +<keyword>system information</keyword> +</keywordset> +</articleinfo> + +<sect1> +<title><acronym>DMA</acronym> Channel Information</title> + +<para> This page displays information about the <acronym>DMA</acronym> +(Direct Memory Access) Channels. A <acronym>DMA</acronym> channel is a +direct connection that allows devices to transfer data to and from +memory without going through the processor. Typically, i386-architecture +systems (<acronym>PC</acronym>'s) have eight <acronym>DMA</acronym> +channels (0-7). </para> + +<note> <para> The exact information displayed is system-dependent. On +some systems, <acronym>DMA</acronym> Channel information cannot be +displayed yet. </para> </note> + +<para> On &Linux;, this information is read from <filename +class="devicefile">/proc/dma</filename>, which is only available if the +<filename class="directory">/proc</filename> pseudo-filesystem is +compiled into the kernel. </para> + +<para> A list of all currently-registered (<acronym>ISA</acronym> bus) +<acronym>DMA</acronym> channels that are in use is shown. The first +column shows the <acronym>DMA</acronym> channel, and the second column +shows the device which uses that channel. </para> + +<para> +Unused <acronym>DMA</acronym> channels are not listed. +</para> + +<para> +The user cannot modify any settings on this page. +</para> + +</sect1> +</article> |